Kataloge

Equuleus / New General & Index Catalogue (NGC/IC)

Galaxien

Revised+Historic NGC/IC, Version 22/9, © Dr. Wolfgang Steinicke [277]
NameRADecTypbMagvMagB-VSBDimPAzD(z)MDDreyer BeschreibungIdentifikation, Anmerkungen
NGC 701521 05 37.3+11 24 49Sbc13.312.50.813.61.8 × 1.61650.01628168.77vF, pS, glbMUGC 11674, MCG 2-53-12, CGCG 425-40, IRAS 21032+1112
NGC 704021 13 16.5+08 51 54S?14.914.00.913.50.9 × 0.81500.02039986.16eF, vL, mE ns (A.N. 2479)UGC 11701, MCG 1-54-4, CGCG 401-8, IRAS 21108+0839
NGC 704621 14 56.0+02 50 04SBc13.813.10.713.91.9 × 1.41150.01389058.67eF, pL, R, lbMUGC 11708, MCG 0-54-9, CGCG 375-20, IRAS 21123+0237
IC 136021 10 50.3+05 04 18S15.314.50.812.70.7 × 0.3200.028366119.8F, difCGCG 401-3
IC 136121 11 29.1+05 03 17S?15.114.20.913.40.9 × 0.6450.01321655.82vF, vS, difUGC 11692, MCG 1-54-2, CGCG 401-5, NPM1G +04.0529, IRAS 21089+0450
IC 136421 13 24.6+02 46 13C14.813.81.013.11 × 0.61300.01360657.47pB, pS, R, sbMMCG 0-54-6, CGCG 375-13, 2ZW 107, NPM1G +02.0486
IC 136521 13 56.0+02 33 55E414.713.71.013.51.1 × 0.7570.049224207.9eF, pS, R (Spit. another p ?)MCG 0-54-7, CGCG 375-15, 2ZW 108, VV 508, multiple system
IC 136721 14 09.6+02 59 40S14.914.10.810.90.3 × 0.21400.01337356.49vF, vS, R, F * nrCGCG 375-19, NPM1G +02.0489
IC 137521 20 59.7+03 59 09C15.114.20.913.71 × 0.71380.038470162.4F, S, 2 F st invCGCG 401-15, NPM1G +03.0550
IC 137721 25 26.8+04 18 51Sc15.014.30.713.50.8 × 0.71200.030284127.9pB, S, RMCG 1-54-9, CGCG 401-21, KARA 915, IRAS 21229+0405
IC 137921 26 01.1+03 05 50E015.514.51.012.00.3 × 0.30.042507179.5vF, bM, stellarCGCG 375-34
IC 508321 03 51.5+11 45 50E015.214.21.012.80.5 × 0.50.042716180.4eeF, vS, v diffic, * 8 f 13sCGCG 425-38

Legend

Key to columns [277]
Name NGC/IC Designation
RA Right Ascension (J2000.0)
Dec Declination (J2000.0)
Type Object type
bMag Photographic (blue) magnitude
vMag Visual magnitude
B-V Difference of visual and blue magnitude
SB Surface brightness (mag/arcmin2)
Dim Dimensions (arcmin)
PA Position Angle (°)
z Redshift (from NED or LEDA)
D(z) Distance derived from z in Mpc, using D(z) = cz/H0, with Hubble Parameter H0 = 71 (km/s)/Mpc
MD Metric distance: for galaxies with S = 1, 6, 7 or 8 in Mpc (from NED); for other types with S = 2, 3, 4, or 5 in kpc
Dreyer Description See below
Identification, Remarks

Dreyer Description

Descriptions according to J.L.E. Dreyer [313, 314, 315]
ab about
alm almost
am among
annul annular or ring nebula
att attached
b brighter
bet between
biN binuclear
bn brightest to n side
bs brightest to s side
bp brightest to p side
bf brightest to f side
B bright
c considerably
chev chevelure
co coarse, coarsely
com cometic (cometary form)
comp companion
conn connected
cont in contact
C compressed
Cl cluster
d diameter
def defined
dif diffused
diffic difficult
dist distance, or distant
D double
e extremely, excessively
ee most extremely
er easily resolvable
exc excentric
E extended
f following (eastward)
F faint
g gradually
glob. globular
gr group
i irregular
iF irregular figure
inv involved, involving
l little (adv.); long (adj.)
L large
m much
m magnitude
M middle, or in the middle
n north
neb nebula
nebs nebulous
neby nebulosity
nf north following
np north preceding
ns north-south
nr near
N nucleus, or to a nucleus
p preceding (westward)
pf preceding-following
p pretty (adv., before F. B. L, S)
pg pretty gradually
pm pretty much
ps pretty suddenly
plan planetary nebula (same as PN)
prob probably
P poor (sparse) in stars
PN planetary nebula
r resolvable (mottled, not resolved)
rr partially resolved, some stars seen
rrr well resolved, clearly consisting of stars
R round
RR exactly round
Ri rich in stars
s suddenly (abruptly)
s south
sf south following
sp south preceding
sc scattered
sev several
st stars (pl.)
st 9... stars of 9th magnitude and fainter
st 9..13 stars of mag. 9 to 13
stell stellar, pointlike
susp suspected
S small in angular size
S* small (faint) star
trap trapezium
triangle triangle, forms a triangle with
triN trinuclear
v very
vv _very_
var variable
* a single star
*10 a star of 10th magnitude
*7-8 star of mag. 7 or 8
** double star (same as D*)
*** triple star
! remarkable
!! very much so
!!! a magnificent or otherwise interesting object

Quellenangaben

  • [277] «Historische Deep-Sky Kataloge» von Dr. Wolfgang Steinicke; klima-luft.de/steinicke (2021-02-17)
  • [313] «A New General Catalogue of Nebulae and Clusters of Stars, being the Catalogue of the late Sir John F.W. Herschel, Bart., revised, corrected, and enlarged» Dreyer, J. L. E. (1888); Memoirs of the Royal Astronomical Society. 49: 1–237; Bibcode:1888MmRAS..49....1D
  • [314] «Index Catalogue of Nebulæ found in the years 1888 to 1894, with Notes and Corrections to the New General Catalogue» Dreyer, J. L. E.; Memoirs of the Royal Astronomical Society, Vol. 51, p.185; 1895; Bibcode:1895MmRAS..51..185D
  • [315] «Second Index Catalogue of Nebulae and Clusters of Stars; containing objects found in the years 1895 to 1907, with Notes and Corrections to the New General Catalogue and to the Index Catalogue for 1888–94» Dreyer, J. L. E. (1910); Memoirs of the Royal Astronomical Society. 59: 105–198; Bibcode:1910MmRAS..59..105D