Kataloge

Orion / Yale Bright Star Catalog (HR)

«Yale Bright Star Catalogue, 5th Revised Ed.» Hoffleit D., Warren Jr W.H., 1991 [154]
HR B F DM HD SAO FK5 IR M* ADS VarID RA Dec vMag spType dMag Sep Remarks
HR 1507 BD+10 621 30034 94095 W 1705 04 44 25.8 +11 08 46 5.40 F0V 5.8 74.7 G:In Hyades cluster; Mel 25 #111.,VAR:Delta Sct? In Hyades instability strip.
HR 1519 BD+11 646 30210 94111 2353 W 04 46 01.7 +11 42 20 5.37 A2m 7.5 93.8 G:In Hyades cluster; Mel 25 #112.
HR 1522 BD-03 884 30321 131481 04 46 24.1 -02 57 16 6.33 A2V
HR 1534 BD+03 681 30545 112098 04 48 44.6 +03 35 18 6.03 K1III
HR 1543 π3 1 BD+06 762 30652 112106 1134 I W 1731 04 49 50.4 +06 57 41 3.19 F6V 5.5 94.6 D:Visual companion probably optical.,N:Designated Tabit by Becvar but Allen gives Thabit as Burritt's name for an unlettered star on his atlas, the Upsilon,N:of Heis (HR 1855). The superscripts for Pi Ori adopted in the Harvard catalogues and taken over in the BS,N:correspond to the Heis atlas and Argelander's identifications of Flamsteed numbers. Very many old catalogues follow the,N:BAC. Heis superscripts 1,2,3,4 are respectively 4,2,1,3 in the BAC.,VAR:Delta Sct? Amp. 0.05V.
HR 1544 π2 2 BD+08 777 30739 112124 I 04 50 36.7 +08 54 01 4.36 A1Vn N:See HR 1543.,R:Radius relative to Sun = 2.0.
HR 1552 π4 3 BD+05 745 30836 112142 179 1742 04 51 12.4 +05 36 18 3.69 B2III+B2IV G:Ori OB1.,N:See HR 1543.,SB:9.5191d, K 25.8k/s, V0 +23.3k/s, asini 3.38.
HR 1553 BD+09 668 30870 112150 04 51 43.4 +09 58 30 6.11 B5V N:Formerly 1 Aur now in Perseus.
HR 1556 ο1 4 BD+14 777 30959 94176 1136 I Omi1 Ori 04 52 32.0 +14 15 02 4.74 S3.5/1- G:Wolf 630 group.,S:Also classified S4Zr1Ti4 and M3.2IIIas.,VAR:SRb 4.65 - 4.88V, about 30d.
HR 1562 5 BD+02 800 31139 112179 I 1755 04 53 22.8 +02 30 29 5.33 M1III
HR 1565 BD+01 847 31209 112191 04 53 55.8 +01 34 10 6.61 A1Vn
HR 1567 π5 8 BD+02 810 31237 112197 180 Pi5 Ori 04 54 15.1 +02 26 26 3.72 B3III+B0V G:Ori OB1.,SB:3.700373d, K 57.9k/s, V0 +24.2k/s, asini 2.95.,VAR:Ell 3.66 - 3.73V, 3.700363d.
HR 1569 6 BD+11 675 31283 94197 2368 S 04 54 46.9 +11 25 34 5.19 A3V
HR 1570 π1 7 BD+09 683 31295 94201 W 04 54 53.8 +10 09 03 4.65 A0Vp 4.2 171.6 G:Hyades?,N:See HR 1543.,R:Radius relative to Sun = 2.7.,S:Lambda Boo star, Ca, Mg 4481 wk.
HR 1571 BD+07 755 31296 112203 2369 I 1763 04 54 47.8 +07 46 45 5.33 gK1
HR 1574 BD+00 893 31331 112206 04 54 50.7 +00 28 03 5.99 B5V
HR 1576 BD+14 787 31373 94212 04 55 50.3 +15 02 24 5.81 B9V
HR 1578 BD+05 769 31411 112220 04 55 58.4 +05 23 57 6.50 A0V
HR 1580 ο2 9 BD+13 740 31421 94218 I 3540 04 56 22.3 +13 30 52 4.07 K2-IIIFe-1 7.5 100.4 D:Optical group.,G:Hyades?,S:Also classified K2IIIbCN-1.
HR 1591 BD-01 762 31623 131625 2373 04 57 17.2 -01 04 02 6.23 F2
HR 1596 BD-02 1080 31739 131640 3570 04 58 10.8 -02 12 45 6.35 A2V 5.5 21.0
HR 1600 BD+14 796 31764 94240 3579 A 1788 04 58 59.4 +14 32 34 6.09 B7V 1.5 39.3 D:AB probably optical. B, 8.0v B9; C, 9.8v at 54"; D, by Wallenquist, mag. diff 7.1 at 90".
HR 1601 π6 10 BD+01 872 31767 112281 I 1786 04 58 32.9 +01 42 51 4.47 K2-II
HR 1609 BD+03 736 32039 112304 3597 B 1800 05 00 32.6 +03 36 55 7.03 B9Vn 0.4 21.3 D:Fixed with HR 1610.
HR 1610 BD+03 737 32040 112305 3597 A 1800 05 00 33.9 +03 36 58 6.66 B9Vn 0.4 21.3 D:Fixed with HR 1609. Colors for combined light.
HR 1613 BD-02 1095 32115 131684 05 00 39.8 -02 03 56 6.32 A8IV
HR 1618 BD+00 923 32263 112334 2376 1806 05 01 50.3 +00 43 20 5.92 K0
HR 1619 BD+01 886 32273 112340 3623 A 05 02 00.0 +01 36 32 6.24 B8V 1.3 14.2 D:BC binary 7.7, 10.7v sep. 0.5"; AxBC binary, B = GC 6148 A1IV?, vsini 53:k/s; D, 9.5 at 130".
HR 1638 11 BD+15 732 32549 94290 1140 V1032 Ori 05 04 34.1 +15 24 15 4.68 A0pSi G:Member of Pleiades group.,VAR:Alpha CV, 4.65 - 4.69V, amp. 0.03y, 4.6398d.
HR 1646 BD-03 998 32686 131742 2378 05 04 54.5 -03 02 23 6.05 B5IV G:Ori OB1a assoc.
HR 1648 BD+00 939 32736 112406 I W Ori 05 05 23.7 +01 10 39 6.17 C6II VAR:SRb 8.2 - 12.4p, 212d. Mean mag. varies in period 2450d.
HR 1662 13 BD+09 736 33021 112436 W 05 07 38.3 +09 28 19 6.17 G1IV 3.8 124.0 G:Wolf 630 group; Hyades?
HR 1664 14 BD+08 866 33054 112440 3711 05 07 52.9 +08 29 54 5.34 Am 0.8 0.7 D:5.78 Am, 6.62 Am, 198.9y, a = 1.04". Mean mass 1.7 solar. Combined mag., colors. CPM with ADS 3712 = GC6270, 9.8, 8 K2,D:sep. 3" at 348".,DYN:0.021".
HR 1672 16 BD+09 743 33254 112467 1142 W 1849 05 09 19.6 +09 49 46 5.43 A2m 4.5 168.0 G:Hyades cluster; Mel 25 #130.,R:Radius relative to Sun = 2.2.,S:Spectrum in violet indicates luminosity III; G-band region, V.,SB:155.83d, K 8.2k/s, V0 +42.9k/s, asini 13.0.,VAR:2.87d not confirmed.
HR 1676 15 BD+15 752 33276 94359 W 05 09 42.0 +15 35 50 4.82 F2IV D:Suspected visual double probably single: unresolved by speckle interferometry.
HR 1681 BD-00 867 33419 131834 05 10 03.2 -00 33 55 6.10 K0III
HR 1684 BD+15 759 33554 94377 2391 I 05 11 41.6 +16 02 44 5.18 K5III
HR 1685 BD-02 1161 33555 131847 05 10 58.0 -02 15 14 6.25 K1-IVa
HR 1687 BD-02 1165 33608 131852 2390 05 11 19.2 -02 29 27 5.90 F5V
HR 1690 BD+00 974 33647 112505 3767 V1085 Ori 05 11 41.4 +00 30 53 6.67 B9Vn 0.4 0.1 D:Binary.,G:Ori OB1a assoc.,RV:Period 21.4d.,S:Hg, Mn star; late type close companion.,VAR:Amp. 0.003V, 0.565d.
HR 1691 BD+00 975 33646 112509 3764 05 11 45.3 +01 02 13 5.89 G5III 1.4 1.6 S:Also classified A + G2:III.
HR 1697 BD-06 1109 33833 131873 05 12 48.2 -06 03 26 5.91 G7III
HR 1698 ρ 17 BD+02 888 33856 112528 I 3797 1872 05 13 17.5 +02 51 40 4.46 K0.5III 3.9 6.9 D:AB fixed. B, 8.4v, F7V at 7"; C, 11.8 at 182".,DYN:0.001".,S:Also classified K0.5III.,SB:ADS 3797A, 1031.40d, K 8.7k/s, V0 +40.5k/s, asini 123. Unresolved by speckle interferometry.
HR 1701 BD+01 938 33883 112535 3799 05 13 31.6 +01 58 05 6.09 A5V 0.2 0.5 D:AB 6.9 A4V, 7.1 A6V, 312y, a = 0.383". Combined mag., colors. C, 13v at 7", may be physical.,S:Component B variously classified G, F6III, A6V.
HR 1703 BD+00 988 33946 112543 I W 1874 05 13 47.2 +00 33 37 6.32 M0V
HR 1704 BD-08 1059 33948 131887 05 13 33.3 -08 08 52 6.37 B5V
HR 1709 BD+04 877 34043 112556 2394 I 1880 05 14 44.1 +05 09 22 5.50 gK4
HR 1713 β 19 BD-08 1063 34085 131907 194 I 3823 1882 05 14 32.3 -08 12 06 0.12 B8Ia: e 6.5 9.5 C:Color excess E(B-V) = +0.00.,D:AxBC, CPM. BC binary, 7.6 B8II, 7.6v sep. 0.12". D, 15.4v at 44". BC also classified B5V+B5V. For B, vsini =<39k/s.,DYN:0.004".,G:Ori OB1; in reflection nebula; member assoc. Tau-Ori R1 at 360 pc.,N:RIGEL; Algebar; Elgebar.,R:Diam. = 0.00243 - 0.00255".,S:Between wavelengths 10660 and 10915 no stellar lines except the chromospheric line He 10830. Weak magnetic field.,SB:ADS 3823B, 9.860d, K 25.0k/s, V0 +19.1, asini 3.37. May be due to pulsation.,VAR:0.03 - 0.30V, 25d. Amp. at 0.58 micrometers about 0.06m.
HR 1717 BD-01 837 34180 131917 05 15 18.4 -01 24 33 6.15 F0IV
HR 1718 18 BD+11 756 34203 94426 2395 05 16 04.1 +11 20 29 5.56 A0V
HR 1724 BD+01 957 34317 112588 05 16 41.1 +01 56 50 6.42 A0V e G:Field of Ori OB1a but probably not member.,S:Possible H alpha emission.
HR 1735 τ 20 BD-07 1028 34503 131952 195 3877 05 17 36.4 -06 50 40 3.60 B5III 7.2 36.0
HR 1746 21 BD+02 916 34658 112624 1922 05 19 11.2 +02 35 45 5.34 F5II v G:Ori OB1.
HR 1748 BD-01 859 34748 131983 05 19 35.2 -01 24 44 6.34 B1.5Vn G:Ori OB1a.
HR 1759 BD-05 1225 34880 132004 3926 05 20 26.4 -05 22 00 6.39 B8III 4.7 4.4 D:CPM.,S:Spectra show Mn.
HR 1761 BD+03 857 34959 112660 05 21 19.3 +04 00 43 6.57 B5Vp e G:Ori OB1a.,S:Shell star. H alpha emission. Also classified B7IIIn.
HR 1763 BD+08 933 34989 112667 2401 05 21 43.6 +08 25 43 5.80 B1V G:Ori OB1; in reflection nebula; faint HII region. Teardrop shaped nebula in blue light has no counterpart in red.
HR 1764 BD-00 929 35007 132024 3941 05 21 31.8 -00 24 59 5.68 B3V 5.9 37.6 D:Component B optical.,G:Ori OB1a; Orion belt.
HR 1765 22 BD-00 930 35039 132028 1147 05 21 45.7 -00 22 57 4.73 B2IV-V G:Ori OB1a; Orion belt.,SB:293.0d, K 4.1k/s, V0 +27.9k/s, asini 16.33.
HR 1770 23 BD+03 871 35149 112697 3962 A 05 22 50.0 +03 32 40 5.00 B1V 2.2 31.9 D:Fixed. Secondary 7.17V, -0.12(B-V), -0.63(U-B), B5Vn, B8nnp or B3V, RV -58k/s, vsini 350k/s, optical.,G:Ori OB1a.,RV:Rapidly rotating; may become Be star.
HR 1777 BD+05 905 35242 112708 05 23 31.1 +05 19 21 6.35 A2V G:Ori OB1.
HR 1778 BD-08 1107 35281 132053 3978 05 23 18.5 -08 24 57 5.90 B8III 1.7 6.0 D:Companion A5IV, vsini 124k/s.
HR 1781 BD-00 936 35299 132057 05 23 42.3 -00 09 35 5.70 B1.5V G:Ori OB1a; Orion belt.
HR 1782 BD-01 882 35317 132060 3991 05 23 51.4 -00 52 02 6.11 F7V 0.0 2.7 D:BC 7.8 F8V, 7.9 F8V, 48.0y, a = 0.34". AxBC physical.,G:Ori OB1.
HR 1784 29 BD-07 1064 35369 132067 I 05 23 56.8 -07 48 29 4.14 G8IIIFe-0.5
HR 1786 BD+02 947 35407 112729 05 24 36.2 +02 21 10 6.32 B4IVn G:Ori OB1a.,S:Shell star.
HR 1787 27 BD-01 886 35410 132070 I 05 24 28.9 -00 53 29 5.08 G9III-IVFe-1
HR 1788 η 28 BD-02 1235 35411 132071 4002 Eta Ori 05 24 28.6 -02 23 49 3.36 B1V+B2e 1.4 1.5 D:ADS 4002A is SB triple system, abc with periods 9.2y and 7.989d. Speckle interferometry gives 9.219y, a = 0.036" for,D:for ab x c. Visual components AB, binary, 3.8, 4.8v, sep. 1.650"; C, 9.4v at 115". The total mass of the quintuple,D:system exceeds 50 solar masses, the most massive component being about 17 solar masses.,DYN:0.005".,G:Ori OB1a; Orion belt; cluster CR 70.,RV:Expanding circumstellar shell.,SB:ab, 7.9841d, K 145.2k/s, V0 +35.9k/s, asini 15.9. abc, 9.2y, K 17.5k/s, V0 +19.5k/s, asini 805. Resolved by,SB:speckle interferometry at 4-meter Mayall telescope, sep. 0.04"; vsini secondary 39k/s.,VAR:EA + Beta C 3.31 - 3.60V, 3.14 - 3.35B, 7.989268d. Also sinusoidal pulsation period, amp. 0.05V, 0.30197 or 0.30145d.
HR 1789 ψ1 25 BD+01 1005 35439 112734 2406 V1086 Ori 05 24 44.8 +01 50 47 4.95 B1Vpe G:Ori OB1a.,RV:Period 3-5y? Expanding circumstellar shell.,S:Shell star. Also classified B3ne, BeIII-IV.,VAR:Gamma Cas?, 4.92 - 4.96V, 14.50d? Amp. 0.07R, 0.06(R-I).
HR 1790 γ 24 BD+06 919 35468 112740 201 I W 1972 05 25 07.9 +06 20 59 1.64 B2III 10.5 179.0 G:Ori OB1.,N:BELLATRIX; the Amazon Star.,R:Diam. = 0.00070 - 0.00072".,RV:Expanding circumstellar shell. AEROBEE evidence for mass ejection up to 1600k/s.
HR 1799 BD-10 1178 35536 150420 I 05 25 01.6 -10 19 45 5.61 K5III
HR 1800 BD-00 945 35548 132086 4020 05 25 31.2 -00 32 39 6.57 B9pHgSi 0.6 0.2 D:359.1y, e 0.19, a 0.28", i 50.9d, mag. diff 0.3.,G:Ori OB1a; Orion belt.,S:Manganese star. Spectra also show Hg.
HR 1803 BD+00 1056 35588 112752 1975 05 25 47.0 +00 31 15 6.16 B2.5V G:Ori OB1a.,SB:2.8884d, K 71.2k/s, V0 +16.8k/s, asini 2.81.
HR 1806 BD-05 1247 35640 132100 05 26 02.4 -05 31 06 6.23 B9.5Vn G:Ori OB1; sword of Orion.
HR 1807 BD+06 923 35656 112767 05 26 38.8 +06 52 09 6.42 A0Vn
HR 1809 BD+15 822 35693 94556 05 27 13.8 +15 15 28 6.16 A1IV
HR 1811 ψ2 30 BD+02 962 35715 112775 4039 Psi Ori 05 26 50.2 +03 05 44 4.59 B2IV 5.6 2.7 D:AB about 6300y. B, 10.3V, vsini 96k/s. C, 12.3v at 83", optical.,G:Ori OB1a.,SB:ADS 4039A, 2.5260d, K 142.8k/s, V0 +15.8k/s, msin3i 8.74, asini 4.95. Apsidal per. 44.8y.,VAR:Ell 4.55 - 4.61V, 4.31 - 4.34B, 2.52596d.
HR 1819 BD+13 903 35909 94580 05 28 34.8 +13 40 44 6.35 A4V
HR 1820 BD+01 1021 35912 112794 05 28 01.6 +01 17 54 6.41 B2V G:Ori OB1a.
HR 1826 BD-03 1115 36058 132157 4078 05 28 56.7 -03 18 27 6.39 A0Vn 0.3 0.8 G:Ori OB1c; Orion belt.
HR 1830 BD-03 1116 36134 132170 2022 05 29 23.6 -03 26 47 5.79 K1-III
HR 1832 BD+15 837 36162 94596 05 30 26.1 +15 21 37 5.94 A3Vn
HR 1833 BD+01 1032 36166 112830 05 29 54.8 +01 47 21 5.78 B2V G:Ori OB1a; Orion belt star.
HR 1834 31 BD-01 913 36167 132176 I 4097 CI Ori 05 29 44.0 -01 05 32 4.71 K5III 5.4 12.5 D:CPM. Companion 9.70V, +0.71(B-V), +0.15(U-B), F7V.,VAR:ADS 4097, cst? 4.67: -4.71V.
HR 1837 BD+04 949 36217 112837 CK Ori 05 30 19.8 +04 12 15 6.21 K2IIIe v VAR:SR? 5.9 - 7.1v, 120?d.
HR 1839 32 BD+05 939 36267 112849 4115 05 30 47.1 +05 56 53 4.20 B5V 1.3 0.9 D:4.49 B5IV, 5.82 B7V, 586y, a = 1.293". Combined mag. and colors.,DYN:0.008".,G:Cas-Tau OB1; member of Pleiades group. Field of Ori OB1a but probably not member.
HR 1840 BD-07 1099 36285 132192 05 30 20.7 -07 26 05 6.33 B2IV-V G:Ori OB1c; sword of Orion.
HR 1842 33 BD+03 948 36351 112861 4123 05 31 14.5 +03 17 32 5.46 B1IV+B1.5V 1.0 1.9 D:AB fixed. Combined mag., colors.,G:Ori OB1a.
HR 1848 BD-06 1207 36430 132210 05 31 20.9 -06 42 30 6.22 B2V G:Ori OB1c; sword of Orion.
HR 1851 δ 34 BD-00 982 36485 132221 4134 C 05 32 00.5 -00 17 04 6.85 B2V 4.6 51.7 C:IR source.,D:Binary with HR 1852, q.v.,G:Ori OB1b3; Orion belt.
HR 1852 δ 34 BD-00 983 36486 132220 206 I 4134 A Del Ori 05 32 00.4 -00 17 57 2.23 O9.5II 4.6 51.7 C:Color excess E(B-V) = +0.07.,D:Binary with C = HR 1851. Component B, 14.0v at 33".,G:Ori OB1b3; Orion belt; cluster CR 70.,N:MINTAKA; Mintika.,RV:Mass ejection at up to 1800k/s.,S:Nitrogen deficient. Interstellar Lyman alpha absorption observed by AEROBEE rocket. Also classified B2V, O9.5II,,S:O9.5II-III + B0III.,SB:ADS 4134A, 5.7324d, K 101.0k/s, V0 +20.1k/s, asini 7.92. The first SB in which stationary lines were observed.,VAR:ADS 4134A, EA 2.14 - 2.26V, 1.94 - 2.13B, 5.732476d. Intrinsic variability also possible.
HR 1855 υ 36 BD-07 1106 36512 132222 05 31 55.8 -07 18 05 4.62 B0V G:Ori OB1c; sword of Orion.,N:Thabit; Tabit. See HR 1543.,RV:Expanding circumstellar shell.
HR 1861 BD-01 935 36591 132234 4141 2107 05 32 41.3 -01 35 31 5.35 B1IV 4.5 2.0 D:CPM.,G:Ori OB1b2; Orion belt; HII region.,VAR:Amp. 0.10y.
HR 1863 BD-01 939 36646 132247 4150 2131 05 33 07.2 -01 43 06 6.46 B4Vn 1.8 1.5 D:All components CPM? CD binary, 8.9v A0V, 9.7v sep. 0.8" at 30" from A, physical.,G:Ori OB1b2; Orion belt.
HR 1864 35 BD+14 947 36653 94652 2414 05 33 54.3 +14 18 20 5.64 B3V
HR 1868 BD-01 943 36695 132255 VV Ori 05 33 31.4 -01 09 22 5.34 B1V G:Ori OB1b2; Orion belt.,SB:AB, 1.4854d, K 128.6k/s, V0 +22.1k/s, msin3i 7.56, asini 2.63; ABC, 119.088d, K 13.5k/s, V0 +3.3k/s, asini,SB:21.2. Spectra (A)B1V, (B)B5-B9V, (C)A7V. Masses 7.6, 3.42, 1.5 solar, respectively.,VAR:EA 5.31 - 5.66V, 5.14 - 5.51p, B1V + B7V, 1.4853784d, i 80.9d. A third component has orbital period 119.09d.
HR 1871 BD+01 1058 36741 112901 05 33 57.6 +01 24 28 6.59 B2V G:Ori OB1a; Orion belt star.
HR 1872 38 BD+03 964 36777 112904 W 05 34 16.7 +03 46 01 5.36 A2V 0.4 D:Suspected visual double probably single. Unresolved by speckle interferometry.,G:UMa stream; Ori OB1.
HR 1873 BD-01 949 36779 132269 4159 05 34 03.9 -01 02 08 6.22 B2.5V 4.8 27.5 C:Abnormal reddening at 1500A.,D:Companion has K-type spectrum.,G:Ori OB1b2; Orion belt.
HR 1874 BD-01 950 36780 132270 I 05 34 04.0 -01 28 14 5.93 K5III
HR 1876 φ1 37 BD+09 877 36822 112914 208 S 05 34 49.2 +09 29 22 4.41 B0III G:Ori OB1; exciting star of HII region S264; Lambda Ori assoc.,SB:8.4y, K 13.3k/s, V0 +33.2k/s, asini 547. Unresolved by speckle interferometry.
HR 1879 λ 39 BD+09 879 36861 112921 I 4179 A 2240 05 35 08.3 +09 56 03 3.54 O8III((f)) 2.0 4.4 C:Color excess E(B-V) = +0.12.,D:A,B,C fixed. B is HR 1880. Colors for combined light. Blended mag., 3.39V. C is 11.2v at 29", optical; D, 11.2,D:at 78".,DYN:0.001".,G:In cluster Collinder 69; exciting star of HII region S264; in Lambda Ori assoc. Lambda Ori and surroundings are at,G:same distance as Ori OB1 assoc. but are not members. Lambda Ori member surrounded by expanding HII region.,N:Meissa; Heka.,VAR:Uncertain which of HR 1879 or 1880 is the variable suspect.
HR 1880 λ 39 BD+09 879 36862 0 4179 B 2240 05 35 08.5 +09 56 06 5.61 B0.5V 2.0 4.4 D:See HR 1879.,DYN:0.001".,G:See HR 1879.
HR 1883 BD+10 818 36881 94671 4181 2251 05 35 13.4 +10 14 24 5.60 B9IIIpHg:Mn: 4.2 2.9 D:CPM.,G:In HII region; Lambda Ori assoc.
HR 1886 BD-06 1233 36959 132298 4182 B 2261 05 35 00.9 -06 00 33 5.67 B1V v 0.9 36.2 D:Fixed with HR 1887.,G:Iota Ori cluster; Ori OB1c4; sword of Orion.
HR 1887 BD-06 1234 36960 132301 4182 A 05 35 02.7 -06 00 07 4.78 B0.5V 0.9 36.2 D:Fixed with HR 1886.,G:Iota Ori cluster; Ori OB1c4; sword of Orion.
HR 1890 BD-04 1183 37017 132317 V1046 Ori 05 35 21.8 -04 29 36 6.56 B1.5V G:Ori OB1c1; Orion northern sword.,S:He strong.,SB:18.65d, K 30k/s, V0 +32k/s, asini 7.34. The 18.65 or 9.3d periods may be spurious, with 0.9015d as the true period.,SB:Rotation vsini 150k/s.,VAR:E:+SX Ari 6.54 - 6.58V, 0.94629d superimposed on SX Ari type, 0.9015d.
HR 1891 BD-04 1184 37016 132319 W 05 35 22.5 -04 25 31 6.24 B2.5V 0.7 0.2 G:Ori OB1c1; Orion northern sword.
HR 1892 42 BD-04 1185 37018 132320 I 4187 2318 05 35 23.2 -04 50 18 4.59 B1V 3.2 1.5 C:Color excess E(B-V) = +0.05.,D:Binary. COPERNICUS spectra and IR photometry yielded no evidence on the companion.,DYN:0.009".,G:In HII region; Ori OB1c2; sword of Orion. No emission from the nebula.
HR 1893 θ1 41 BD-05 1315 37020 0 4186 A V1016 Ori 05 35 15.9 -05 23 14 6.73 B0.5V 0.1 117.0 C:Abnormal reddening at 1500A. IR source.,D:ADS 4186AC fixed at 13". C = HR 1895. ADS 4186 and 4188 together appear to form one complex multiple system whose,D:brightest components are ADS 4186C = HR 1895 and ADS 4188A = HR 1897. These two components are double star STF 17 which,D:IDS lists as part of ADS 4188. Thus, the 9 components of ADS 4186 and the 4 of ADS 4188 form one system of at least 12,D:components. Those of ADS 4186 range from mag. 5.4 to 16.7v, all within 22" of A. ADS 4188 has two other,D:companions in addition to HR 1895: B, 6.5v at 53" and C, 7.6v at 129" from HR 1897.,G:Ori OB1d; sword of Orion; a trapezium star.,S:Also classified B0.5Vp.,SB:65.43233d, K 33.3k/s, V0 +13.3k/s.,VAR:ADS 4186A, EA, 6.72 - 6.75V, 65.43233d. Component E is NSV 2291, amp. 0.41V; component F is NSV 2296, 11.0V; component,VAR:H is NSV 2292, 15.6V.
HR 1894 θ1 41 BD-05 1315 37021 0 4186 B BM Ori 05 35 16.1 -05 23 07 7.96 B0V 0.1 117.0 C:Abnormal reddening at 1500A.,D:Fixed with HR 1895 at 17". See HR 1893.,G:Ori OB1d; sword of Orion; a trapezium star.,S:Also classified B1-3V+A7IV.,SB:6.4705d, K1 52.8k/s, K2 171k/s, V1 +20.7k/s, V2 +23.6k/s, m1sin3i 5.75, m2sin3i 1.78,,SB:a1sini 4.70, a2sini 15.2.,VAR:ADS 4186B, EA 7.95 - 8.52V, 6.470525d, i 87.7d.
HR 1895 θ1 41 BD-05 1315 37022 132314 I 4186 C 2294 05 35 16.5 -05 23 23 5.13 O6p v 0.1 117.0 C:Abnormal reddening at 1500A. Color excess E(B-V) = +0.32. Morel and Magenat indicate R-I from -0.13 to 0.00 in,C:disagreement with other Johnson sources.,D:See HR 1893. Fixed with HR 1896 at 13".,G:Ori OB1d; sword of Orion; a trapezium star. Orion Neb, NGC 1976, HII reg.,M:No clear evidence for being X-ray source. Temp. 32000d excites nebulosity to 10600d.,S:Interstellar Lyman alpha absorption observed by AEROBEE rocket. Also classified O6ep, O7Vp, O6.5III.,SB:Inverse P Cyg profile suggests infalling material rather than SB.,VAR:5.10 - 5.16V. He II 4686 suggests var. density of infalling material on time scale of days.
HR 1896 θ1 41 BD-05 1315 37023 0 4186 D 2295 05 35 17.3 -05 23 16 6.70 B0.5Vp 0.1 117.0 C:Abnormal reddening at 1500A.,D:See HR 1893, 1895.,G:Ori OB1d; sword of Orion; a trapezium star.,VAR:6.65 - 6.72V.
HR 1897 θ2 43 BD-05 1319 37041 132321 I 4188 A 2320 05 35 22.9 -05 24 58 5.08 O9.5Vp e 0.1 117.0 C:Abnormal reddening at 1500A.,D:ADS 4188AB fixed at 52". B is 6.38V, -0.05(B-V), -0.93(U-B), B0.5V; vsini 17k/s. See HR 1893.,G:Ori OB1d; sword of Orion; M42; HII region.,M:May be X-ray source 3U0527-05.,S:Emission is nebular, to red of H beta.,SB:ADS 4188A, 20.96722d, K 90.5k/s, V0 +32.1k/s, asini 25.6. Primary 20 solar masses, secondary over 14 solar.,SB:Possibly the counterpart of X-ray binary 3U0527-05 with perhaps collapsed components.,VAR:5.05 - 5.19V. Component B is NSV 2326, 6.38 - 6.44V.
HR 1898 BD-04 1186 37040 132325 4192 05 35 31.1 -04 21 53 6.38 B2.5IV 2.0 4.2 D:CPM.,G:Ori OB1c1; Orion northern sword.
HR 1899 ι 44 BD-06 1241 37043 132323 209 I 4193 2334 05 35 26.0 -05 54 36 2.77 O9III e 4.5 11.4 C:Color excess E(B-V) = +0.07.,D:AB fixed. B is B7IV; vsini 50k/s.,DYN:0.005".,G:Iota Ori cluster; Ori OB1c4; sword of Orion; HII region.,N:Nair al Saif; Hatysa in Becvar.,RV:ADS 4193A, mass ejection vel. up to 1600k/s. ADS 4193B, +16k/s.,S:Enhanced ultraviolet emission. Helium weak. Interstellar Lyman alpha absorption observed by AEROBEE rocket.,S:Iota Ori B is a helium weak star. Helium deficient by factor of 10 relative to standard stars. P and Ga enormously,S:enhanced. uv 1240 absorption strong; weak 1548.,SB:ADS 4193A, 29.1351d, K 115.2k/s, V0 +26.6k/s, msin3i 15.7, asini 30.0.,VAR:Component B is NSV 2334, 7.4V.
HR 1900 BD-03 1146 37055 132332 W 2350 05 35 35.8 -03 15 10 6.40 B3IV 6.2 1.1 G:Ori OB1c; between belt and sword of Orion.
HR 1901 45 BD-04 1188 37077 132336 4196 05 35 39.5 -04 51 21 5.26 F0III 9.0 19.1 G:Ori OB1c2.
HR 1903 ε 46 BD-01 969 37128 132346 210 I W Eps Ori 05 36 12.8 -01 12 07 1.70 B0Ia e 8.7 179.9 C:In both infrared survey and UV CELESCOPE. Color excess E(B-V) = +0.08.,G:Ori OB1b2; Orion belt; cluster NGC 1980; nebulosity.,N:ALNILAM; Alnihan; Alnitam.,R:Diam. = 0.00067 - 0.00069".,RV:UV AEROBEE spectra indicate mass ejection at velocity up to 1800k/s.,S:Nitrogen deficient. Interstellar Lyman alpha absorption observed by AEROBEE rocket. Walborn declares "no e", but,S:Merrill found H alpha emission.,VAR:Alpha Cyg 1.64 - 1.74V.
HR 1906 BD-05 1334 37150 132351 2416 05 36 15.0 -05 38 53 6.54 B3V v G:Ori OB1d1; sword of Orion.
HR 1907 φ2 40 BD+09 898 37160 112958 I 05 36 54.3 +09 17 26 4.09 K0IIIbFe-2 G:Sigma Pup group.
HR 1908 BD+10 828 37171 94702 2420 I 05 37 04.4 +11 02 06 5.94 K4III
HR 1911 BD-06 1255 37209 132359 4212 2433 05 36 35.7 -06 03 54 5.72 B1V 3.2 5.2 D:CPM. Combined mag., colors.,G:Ori OB1c; sword of Orion.,RV:ADS 4212B, +25.3k/s.
HR 1913 BD+08 1016 37232 112966 05 37 19.3 +08 57 07 6.12 B2IV-V G:Ori OB1.
HR 1918 BD-06 1262 37303 132375 2467 05 37 27.4 -05 56 18 6.05 B1V v G:Member of the local association (Pleiades group); Ori OB1c; sword of Orion.
HR 1920 BD+07 953 37320 112979 05 38 01.1 +07 32 29 5.88 B8III
HR 1923 BD-04 1196 37356 132387 2483 05 37 53.4 -04 48 49 6.19 B2IV-V G:Ori OB1c; sword of Orion.
HR 1931 σ 48 BD-02 1326 37468 132406 4241 AB 05 38 44.8 -02 36 00 3.81 O9.5V 0.8 0.2 D:AB 4.1 O9.5V, 5.1 B0.5V, 170y, a = 0.247". Combined mag. and colors. C, 8.79V, A2V at 11" may be physical; D, 6.62V,,D:-0.20(B-V), B2V, at 13" and E = HR 1932, at 42" CPM with A. A multiple system similar to trapezium. ADS 4241 possibly,D:the most massive visual binary known, 35 solar masses.,DYN:0.003".,G:Ori OB1b1; Orion belt; HII reg.; IC 434; a trapezium system.,S:Hydrogen deficient. Interstellar Lyman alpha absorption observed by AEROBEE rocket.
HR 1932 BD-02 1327 37479 132408 4241 E V1030 Ori 05 38 47.1 -02 35 39 6.65 B2Vp v 0.8 0.2 D:See HR 1931. Speculation that component E may be captured star older than the other components.,G:Ori OB1b1.,S:Strong HeI lines. Prototype He-rich star.,VAR:SX Ari 6.61 - 6.77V, 1.19080d, amp. 0.10y. H alpha emission profiles same period, possibly also 6d. Variable shell,VAR:spectrum. Magnetic variable.
HR 1933 BD-06 1275 37481 132405 05 38 37.8 -06 34 26 5.96 B1.5IV G:Ori OB1c; sword of Orion.
HR 1934 ω 47 BD+04 1002 37490 113001 2423 Ome Ori 05 39 11.1 +04 07 17 4.57 B3IIIe v G:Ori OB1a; in reflection nebula; member assoc. Tau-Ori R1 at 360 pc.,RV:vsini 160k/s also reported.,VAR:Gamma Cas 4.40 - 4.59V. Var. hydrogen emission.
HR 1937 49 BD-07 1142 37507 132411 05 38 53.1 -07 12 47 4.80 A4V SB:445.74d, K 28.6k/s, V0 -1.5k/s, asini 146. Massive invisible component.
HR 1940 BD-03 1166 37594 132424 05 39 31.2 -03 33 53 6.00 A8V s
HR 1942 BD-09 1197 37635 132425 05 39 30.8 -09 42 24 6.50 B7V G:Ori OB1 assoc.,S:Weak 4481 MgII line.
HR 1948 ζ 50 BD-02 1338 37742 132444 I 4263 A 2553 05 40 45.5 -01 56 34 2.05 H O9.7Ib e 2.2 2.4 C:Color excess E(B-V) = +0.09.,D:AB 1.88 O9.5Ib, 4.02 B2III, 1508.6y, a = 2.728". Colors for combined light. Blended magnitude 1.76V, 18 and 6 solar,D:masses. B is HR 1949. C is 9v at 58", possibly physical.,DYN:0.004".,G:Ori OB1b1; Orion belt; exciting star of HII region S277; HII region; IC 434.,M:In line of sight of high-velocity interstellar cloud.,N:ALNITAK; Alnitah.,R:Diam. = 0.00047 - 0.00048".,RV:Mass ejection up to 1800k/s.,S:Nitrogen deficient. Interstellar Lyman alpha absorption observed by AEROBEE rocket. Also classified O9.5Ib and,S:O9.5Iab.,VAR:ADS 4263. Uncertain which component, HR 1948 or 1949, is the variable suspect.
HR 1949 ζ 50 BD-02 1338 37743 0 I 4263 B 2553 05 40 45.6 -01 56 34 4.21 H B0III 2.2 2.4 D:See HR 1948.,DYN:0.004".,G:Ori OB1; Orion belt; HII region; IC 434.,M:In line of sight of high-velocity interstellar cloud.,S:Interstellar Lyman alpha absorption observed by AEROBEE rocket.
HR 1950 BD-02 1337 37744 132441 05 40 37.3 -02 49 30 6.22 B1.5V G:Ori OB1b1.
HR 1952 BD-01 1004 37756 132445 2556 05 40 50.6 -01 07 44 4.95 B2IV-V G:Ori OB1b1; Orion belt.,SB:27.1546d, K 88.5k/s, V0 +36.2k/s, msin3i 6.36, asini 22.6.,VAR:E?, 4.91 - 4.95V.
HR 1955 BD+00 1152 37788 113033 05 41 05.6 +00 20 16 5.93 F0IV G:Ori OB1.
HR 1957 BD-10 1258 37808 150680 V1051 Ori 05 40 46.0 -10 24 34 6.52 B9.5IIIpSi4200 VAR:Alpha CV, amp. 0.03V, 0.04U, 1.099d.
HR 1959 BD-02 1346 37904 132465 4279 05 41 40.3 -02 53 46 6.42 A9IV-V 0.9 0.1 D:CPM.,G:Ori OB1b1.
HR 1963 51 BD+01 1105 37984 113056 2427 I 05 42 28.6 +01 28 29 4.91 K1III G:Ori OB1.
HR 1967 BD-06 1293 38089 132477 4299 05 42 53.8 -06 47 46 6.02 F3V 0.4 0.2 D:AB 6.5 F5V, 6.9 F6V, 20.10y, a = 0.201".
HR 1970 BD-01 1012 38099 132480 I V1197 Ori 05 43 09.3 -01 36 47 6.31 K4III SB:143.04d, K 9.1k/s, V0 +32.1k/s, asini 17.9.
HR 1978 BD+03 1025 38309 113099 4333 05 45 01.9 +04 00 29 6.09 gF0n 4.2 15.7 D:BC, 9.5, 13.0v, sep. 1.3" at 17" from A, optical.,G:Ori OB1.
HR 1986 BD-04 1235 38495 132515 4361 05 46 02.8 -04 16 06 6.34 K1III+G0IV 2.7 6.9 D:CPM. Companion 8.97V, +0.55(B-V), +0.08(U-B), G0IV.
HR 1987 BD+09 954 38527 113124 2432 4369 05 46 52.1 +09 31 20 5.79 G8III 5.9 17.2 D:Optical.
HR 1988 BD+01 1126 38529 113119 05 46 35.0 +01 10 05 5.95 G4V G:Ori OB1.
HR 1999 52 BD+06 1027 38710 113150 4390 05 48 00.2 +06 27 15 5.27 A5V 0.1 1.4 D:Binary. Companion F0.,DYN:0.005".,SB:vsini of secondary 70k/s.
HR 2001 BD-10 1281 38735 150814 S V1031 Ori 05 47 26.7 -10 31 59 6.03 A4V SB:Spectroscopic triple system with nearly equal components.,VAR:EA 6.02 - 6.43V, 6.1 - 6.5p. 3.4057d. Redder at min.
HR 2004 κ 53 BD-09 1235 38771 132542 220 I 2641 05 47 45.4 -09 40 11 2.06 B0.5Ia v C:Color excess E(B-V) = +0.07.,G:Ori OB1.,N:SAIPH.,R:Diam. 0.00044 - 0.00045".,S:Deficient in ultraviolet relative to most early-type supergiants shortward of 2800A.
HR 2007 BD-04 1244 38858 132554 1155 05 48 34.9 -04 05 41 5.97 G4V
HR 2014 BD+09 978 39007 113179 05 50 02.6 +09 52 16 5.80 G8III G:Probable Hyades group.
HR 2019 BD+04 1052 39051 113186 2439 I 05 50 13.1 +04 25 24 5.97 gK2
HR 2024 BD+01 1148 39118 113198 Var 05 50 30.0 +02 01 28 5.98 G8III+A0IV S:vsini of secondary 85k/s.,SB:209.20d, K 19.2k/s, V0 +15.3k/s, asini 50.1.,VAR:Amp. 0.082.
HR 2030 BD+19 1110 39286 94942 05 52 23.4 +19 52 05 6.06 G2IIIe+B8III S:vsini of secondary =<50k/s. Luminosity also classified V.
HR 2031 55 BD-07 1187 39291 132591 2442 2677 05 51 22.0 -07 31 05 5.35 B2IV-V G:Ori OB1c.
HR 2037 56 BD+01 1151 39400 113220 2444 I 4467 2690 05 52 26.4 +01 51 18 4.78 K1.5IIb 8.4 43.4
HR 2038 BD+20 1156 39417 77680 05 53 19.1 +20 17 57 6.71 B9V
HR 2039 BD-09 1255 39421 132603 05 52 07.6 -09 02 29 5.97 A2Vnp S:Lambda Boo star, Mg 4481 wk.
HR 2047 χ1 54 BD+20 1162 39587 77705 I D 05 54 22.9 +20 16 34 4.41 G0V 0.6 D:Possibly triple system. Magnitudes of separate components unknown.,D:A*, 14.25y, a = 0.095". Probably low-mass companion.,G:In UMa cluster; Sirius group? UMa stream.,R:Occultation diam. = 0.0016".
HR 2048 BD+10 927 39632 94977 I 05 54 13.4 +10 35 13 6.12 G9II
HR 2050 BD+11 964 39662 94979 W 05 54 32.2 +11 45 45 6.59 A2V 5.5 22.7 D:Optical.
HR 2051 BD+03 1071 39685 113253 05 54 15.7 +03 13 31 6.31 K0
HR 2052 57 BD+19 1126 39698 94986 2447 2722 05 54 56.7 +19 44 59 5.92 B2V 2.2 0.0 G:Cas-Tau OB1.,SB:6.1, 8.3v, sep. 0.0006", 7.9969d, K 70k/s, V0 +21k/s, msin3i 8.84, asini 7.70.,VAR:Beta C?, amp. <0.02V.
HR 2057 BD+00 1208 39775 113265 I 05 54 44.1 +00 58 06 6.00 K0III
HR 2058 BD-04 1281 39777 132635 05 54 34.7 -04 03 50 6.57 B1.5V G:Ori OB1c.
HR 2061 α 58 BD+07 1055 39801 113271 224 I 4506 Alp Ori 05 55 10.3 +07 24 25 0.50 M1-2Ia-Iab e 9.9 174.4 D:Components B-E all 11 to 14.5v at sep. 40" to 174" from A. D 13.5 at 77", optical. Speckle interferometric observations,D:in 1983 November (Karovska et al. 1986, ApJ, 308, 360) show A to be a triple system with closer companion at 0.06",D:(mag. diff. 3.4 at H alpha) and more distant companion at 0.51" (mag. diff. 4.6 at H alpha).,M:Radio star. Circumstellar shell of gas and dust. The gas shell detached from photosphere at about 5 stellar radii. Diam,M:of optically thin dust shell possibly 1".5. Surrounded by reflection nebula. Gas shell up to 100 R, dust shell from 12,M:to 250 R. Highly limb darkened.,N:BETELGEUSE; Betelguex; Betelgeuze; Beteiguex; Al Mankib.,R:The first star whose diameter was measured with the interferometer, .047", by Michelson and Pease at Mt. Wilson in 1920.,RV:Expanding circumstellar shell, extending at least 29" or about 600 stellar radii. If rate constant, initial potassium,RV:ejection about 2700 years ago. 2.85-cm radio emission indicates mass loss.,S:Ultraviolet FeII emission. 5-micron observations indicate carbon monoxide. STRATOSCOPE II observations indicate infrared,S:H2O bands. UV observations from OAO-2 indicate C and O underabundant. MgII emissions indicate a cooler shell,S:surrounding the supergiant.,SB:ADS 4506A, 5.781y, K 3.08k/s, V0 +20.33k/s, asini 81.773.,VAR:ADS 4506A, SRc 0.40 - 1.3V, 2335d. Also superimposed waves 200-400d.
HR 2063 BD+20 1171a 39816 77730 I U Ori 05 55 49.3 +20 10 30 5.40 M6.5IIIe P:Polarization possibly due to circumstellar dust scattering.,R:Occultation diam. = 0.0143 - 0.01545".,S:Infrared star. OH and water emission. SiO maser source. OH emission strong in infrared. Also H2O microwave,S:emission. IR spectra show water vapor. Strong water bands at light minimum.,VAR:M 4.8 - 12.6v, 368.3d. Period has varied between 367.9 and 376.0d. Colors correspond to 6.72V.
HR 2067 BD+13 1036 39881 95004 4519 05 56 03.5 +13 55 31 6.60 G5IV 1.9 47.5 D:All companions optical.
HR 2070 BD-04 1289 39910 132652 05 55 30.3 -04 36 59 5.87 gK2
HR 2071 BD-04 1291 39927 132653 05 55 35.4 -04 47 18 6.28 A2III
HR 2075 BD+09 1016 39985 113284 05 56 28.0 +09 30 35 5.99 A0IV
HR 2076 BD+11 975 40020 95027 2453 05 56 49.5 +11 31 16 5.87 K2III
HR 2093 BD+01 1168 40282 113306 I 05 57 54.2 +01 13 28 6.22 M0III
HR 2097 BD-01 1078 40347 132700 05 58 11.7 -00 59 39 6.22 K0
HR 2099 BD+12 968 40369 95075 4562 05 58 53.2 +12 48 31 5.70 K2III+A5V 1.0 0.4 D:126.0y, e 0.56, a 0.265", i 75.4d, mag. diff 1.4.,S:Also classified K0III + A7V.
HR 2100 59 BD+01 1171 40372 113315 4555 V1004 Ori 05 58 24.4 +01 50 13 5.90 A5mDel Del 4.7 36.7 SB:2.7405d, K 55.6k/s, V0 +45.3k/s, asini 2.09.,VAR:Delta Sct 5.88 - 5.92V, 0.0611d.
HR 2103 60 BD+00 1239 40446 113321 1161 W 05 58 49.6 +00 33 11 5.22 A1V s 6.6 19.1
HR 2109 BD-01 1083 40574 132723 05 59 37.7 -01 26 40 6.63 B8IIIn
HR 2113 BD-03 1256 40657 132732 2457 I 2770 06 00 03.4 -03 04 27 4.53 K1.5IIIFe-1.5
HR 2124 μ 61 BD+09 1064 40932 113389 4617 2792 06 02 23.0 +09 38 51 4.12 A2V 1.8 0.3 D:AB 4.4 A2V, 6.0 F3V, 17.5d, a = 0.276"; ABxP, 18.25y, a = 0.089". Magnitude and colors for combined light. A is alpha,D:CVn var., SB1, 4.45d; B is SB2, 4.78d. Component C, 14v at 18" probably optical.,DYN:0.023".,G:Mel 25; the Hyades.,S:K/m indicate A3/A7, respectively.,SB:ADS 4617A, 4.4476d, K 28.4k/s, V0 var., asini 1.74. Alternate orbit 4.4478d, K 29.2k/s, V0 +40.9k/s,,SB:asini 1.79. Speckle interferometric sep. 0.153" 1980.94; unresolved 1983.94. ADS 4617AB, 18y, K 14.9k/s,,SB:V0 +43.3k/s, asini 851. ADS 4617B is SB2, 4.78d.,VAR:ADS 4617A, Alpha CV 4.10 - 4.18V.
HR 2127 BD+01 1195 40964 113392 06 02 17.1 +01 41 40 6.59 B8V
HR 2130 64 BD+19 1186 41040 95166 D 2803 06 03 27.3 +19 41 26 5.14 B8III 0.0 0.0 D:Triple system, SB, sep. 0.0014". Third component found by occulation, 6.5v at 0.060".,S:Luminosity also given as V.,SB:14.57d.
HR 2133 BD+11 1009 41076 95170 06 03 24.7 +11 40 51 6.08 A0V s
HR 2135 χ2 62 BD+20 1233 41117 77911 D 2809 06 03 55.2 +20 08 18 4.63 B2Ia t 0.0 0.0 D:Occultation binary, sep. 0.02".,G:Gem OB1.,S:Emission lines possibly variable.,VAR:H alpha profile var.
HR 2144 63 BD+05 1085 41361 113429 06 04 58.2 +05 25 12 5.67 gG7
HR 2145 66 BD+04 1116 41380 113430 230 06 04 58.4 +04 09 31 5.63 G4III
HR 2159 ν 67 BD+14 1152 41753 95259 232 06 07 34.3 +14 46 06 4.42 B3V G:Cas-Tau OB1; member of Pleiades group.,SB:131.211d, K 33.3k/s, V0 +24.1k/s, asini 46.2.
HR 2167 BD+08 1202 42035 113503 06 08 47.2 +08 40 12 6.55 B9V
HR 2174 BD+02 1139 42111 113507 4749 06 08 57.9 +02 29 58 5.73 A3Vn v 1.2 29.3 D:AB CPM. B is 6.94V, +0.04(B-V), -0.02(U-B), A0V, vsini 120k/s. Component C, 8.9v at 118". HD erroneously assigned the,D:preceding number, HD 42092, to the fainter following component of ADS 4749. Consequently the data for the two primary,D:components are sometimes interchanged. vsini for component A is 250k/s.,VAR:ADS 4749A, spectrum variable. Sometimes shows shell features.
HR 2184 BD+18 1112 42351 95337 06 11 01.8 +18 07 46 6.33 K1II
HR 2191 BD+13 1151 42477 95352 06 11 27.9 +13 38 19 6.04 A0Vnn
HR 2193 68 BD+19 1253 42509 95359 2471 W 06 12 01.3 +19 47 26 5.75 B9.5V 3.5 86.3
HR 2198 69 BD+16 1035 42545 95365 06 12 03.3 +16 07 50 4.95 B5Vn G:Cas-Tau OB1; member of Pleiades group.,SB:19.0d, K 15k/s.
HR 2199 ξ 70 BD+14 1187 42560 95362 W 06 11 56.4 +14 12 32 4.48 B3IV 7.9 40.0 G:Member of the local association (Pleiades group); Cas-Tau OB1.,SB:45.10d, K 22.4, V0 +19.3, asini 13.41.
HR 2207 BD+18 1129 42784 95397 06 13 33.4 +18 40 49 6.58 B8Vnn G:Member of the local association (Pleiades group).
HR 2208 BD+10 1050 42807 95394 06 13 12.6 +10 37 39 6.45 G2V
HR 2210 BD-02 1512 42824 132965 06 12 44.4 -02 30 16 6.62 A2V
HR 2214 BD+17 1182 42954 95419 W 06 14 28.6 +17 54 23 5.88 A5Vm 0.0 0.5 D:Binary. Occultation indicates sep. 0.27".
HR 2218 BD-03 1345 43023 132994 06 13 54.3 -03 44 29 5.83 G8III G:Probable Hyades group.
HR 2220 71 BD+19 1270 43042 95432 4842 06 14 50.9 +19 09 23 5.20 F6V 5.6 25.4 D:B and C optical. Aitken and Wallenquist disagree on magnitude difference: Aitken AB 6.0, AC 5.3, AD 4.8; Wallenquist,D:5.6, 7.6, 7.3, respectively. Separation 25", 76" and 86", respectively.
HR 2222 BD+13 1173 43112 95444 2474 I W 2878 06 15 08.5 +13 51 04 5.91 B1V 6.6 21.3 D:Companion, RV -2k/s, optical.,M:Old disk population runaway star.
HR 2223 72 BD+16 1060 43153 95447 06 15 25.1 +16 08 35 5.30 B7V
HR 2229 73 BD+12 1081 43247 95457 06 15 45.0 +12 33 04 5.33 B9II-III
HR 2231 BD+06 1172 43285 113650 06 15 40.1 +06 03 58 6.07 B6Ve
HR 2232 BD+04 1181 43317 113653 2478 06 15 47.0 +04 17 01 6.64 B3IV
HR 2233 BD-00 1234 43318 133028 2477 06 15 34.3 -00 30 44 5.65 F6V
HR 2235 BD+17 1191 43335 95473 I 06 16 23.8 +17 10 53 6.39 K5II
HR 2236 BD+01 1275 43358 113656 W 06 15 54.0 +01 10 09 6.37 F5IV: 0.0 0.2 D:6.8 F5, 7.0, 28.1y, a = 0.165".
HR 2241 74 BD+12 1084 43386 95476 1169 W 06 16 26.6 +12 16 20 5.04 F5IV-V 4.2 204.0
HR 2246 BD+01 1278 43461 113668 06 16 21.2 +01 04 49 6.63 B6V
HR 2247 75 BD+09 1173 43525 113675 2480 4890 06 17 06.6 +09 56 33 5.39 A2V 0.2 0.1 D:AP 6.1 A2IV, 9.0y, a = 0.109". B and C both 8.4v at 63" and 117", both optical. D, 11v at 5" from C. AP resolved,D:by speckle interferometry 1983.93, sep. 0.06". Aa resolved by speckle interferometry 1983.93, but unresolved 1983.94.,DYN:0.020".
HR 2248 BD+07 1216 43526 113673 06 16 58.4 +07 03 11 6.57 B7III
HR 2250 BD+14 1233 43583 95494 06 17 33.3 +14 03 30 6.59 A0V
HR 2251 BD+05 1168 43587 113683 W 2896 06 17 16.1 +05 06 01 5.71 F9V 3.9 189.7
HR 2253 BD+14 1235 43683 95502 2481 4901 06 18 05.6 +14 22 58 6.16 A3V 6.9 25.4 D:AB binary. B, 13.0v at 2". C, optical? 13.28V, +0.56(B-V), +0.34(U-B).
HR 2258 BD+17 1203 43819 95519 V1155 Ori 06 19 01.8 +17 19 30 6.32 B9IIIpSiCr: VAR:Amp. 0.04U, 1.0785d. H and K lines vary.
HR 2259 BD+09 1184 43821 113710 06 18 40.5 +09 02 50 6.24 K0 SB:1325d, k 10.92k/s, v0 -24.85k/s, asini 179.
HR 2269 BD+14 1247 44033 95543 I 2917 06 20 04.2 +14 39 04 5.69 K3Ib VAR:Lc?, 5.68 - 5.81V.
HR 2275 BD-02 1564 44131 133118 I 2918 06 19 59.6 -02 56 40 4.90 M1III
HR 2276 BD+11 1128 44173 95563 06 20 52.3 +11 45 23 6.54 B5III
HR 2287 BD+12 1123 44497 95599 06 22 36.5 +12 34 12 6.00 F0III
HR 2302 BD+16 1135 44867 95641 06 24 52.9 +16 03 25 6.33 G9III
HR 2308 BD+14 1283 44984 95659 I BL Ori 06 25 28.1 +14 43 19 6.24 C5II S:Technetium found in spectrum.,VAR:Lb 8.5 - 9.7p.

Legend

Key to columns [154]
HR Harvard Revised Number = Bright Star Number
B Bayer designation (greek letter)
F Flamsteed number
DM Durchmusterung Identification (BD = Bonn; CD = Cordoba; CP = Cape Photographic)
HD Henry Draper Catalog Number
SAO SAO Catalog Number
FK5 FK5 star Number
IR I if infrared source
M* Double or multiple-star code. (A = Astrometric binary; D = Duplicity discovered by occultation; I = Innes, Southern Double Star Catalogue (1927); R = Rossiter, Michigan Publ. 9, 1955; S = Duplicity discovered by speckle interferometry; W = Worley (1978) update of the IDS;)
ADS Aitken's Double Star Catalog (ADS) designation
VarID Variable star identification
RA Right Ascension (J2000.0)
Dec Declination (J2000.0)
vMag Visual magnitude
spType Spectral type
dMag Magnitude difference of double, or brightest multiple
Sep Separation of components in Dmag if occultation binary (arcsec)
Remarks Note on Category (C = Colors; D = Double and multiple stars; DYN = Dynamical parallaxes; G = Group membership; M = Miscellaneous; N = Star names; P = Polarization; R = Stellar radii or diameters; RV = Radial and/or rotational velocities; S = Spectra; SB = Spectroscopic binaries; VAR = Variability)

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