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Link to original content: http://leda.univ-lyon1.fr/ledacat.cgi?o=NGC_6617
HyperLeda -object description
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Search specification: NGC_6617
Your request returns a single object
NGC6617 (search in the field) pgc = 61613
Celestial position Alternate names
J2000J181402.54+611910.2
B1950B181330.62+611809.9
Galactic (IAU1958)G090.49885+27.99700
Super Galactic (RC3)SG033.24162+43.80195
Precision: about 1 arcsec
2MASXJ18140251+6119102CGCG301-025
MCG+10-26-029NGC6617
PGC061613UGC11176
Parameter Value Unit Description
objtypeG Type of object (G=galaxy; S=Star ...)
typeSc Morphological type
compactnessDCompact (C) or diffuse (D)
t 6.4 ± 0.9Morphological type code
logd25 0.95 ± 0.05log(0.1 arcmin)log of apparent diameter (d25 in 0.1 arcmin)
logr25 0.24 ± 0.03loglog of axis ratio (major axis/minor axis)
pa 73.2degMajor axis position angle (North Eastwards)
bt 15.56 ± 0.32magTotal B-magnitude
it 13.79 ± 0.06magTotal I-magnitude
kt 12.77 ± 0.17magTotal K-magnitude
vmaxg 112.6 ± 4.4km/sApparent maximum rotation velocity of gas
m21 16.18 ± 0.25mag21-cm line flux in magnitude
v 6717 ± 6km/sMean Heliocentric radial velocity (cz)
ag 0.20magGalactic extinction in B-band
ai 0.43magInternal extinction due to inclination in B-band
incl 56.0degInclination between line of sight and polar axis of a galaxy
a21 0.03mag21-cm self absorption
logdc 0.96log(0.1 arcmin)log of apparent corrected diameter (dc in 0.1 arcmin)
btc 14.90magTotal apparent corrected B-magnitude
itc 13.70magTotal apparent corrected I-magnitude
bri25 23.58mag/arcsec2Mean surface brightness within isophote 25
vrot 135.9 ± 5.3km/sMaximum rotation velocity corrected for inclination
m21c 16.15magCorrected 21-cm line flux in magnitude
hic 1.25mag21-cm index btc-m21c in magnitude
vlg 6985 ± 6km/sRadial velocity (cz) with respect to the Local Group
vgsr 6925 ± 6km/sRadial velocity (cz) with respect to the GSR
vvir 7029 ± 6km/sRadial velocity (cz) corrected for LG infall onto Virgo
v3k 6630 ± 6km/sRadial velocity (cz) with respect to the CMB radiation
modz 35.06 ± 0.15magCosmological distance modulus (from vvir with ΛCDM)
modbest 35.06 ± 0.15magBest distance modulus, combining mod0 and modz
mabs-20.16 ± 0.354magAbsolute B-band magnitude
grp_n 3
grp_ra 273.2127
grp_dec 60.80278
grp_rad 1.83076
grp_cz 6963.33
grp_sigma 319.786
Links to compilations of original measurements
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Radial velocity
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Internal kinematics
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Photometry & spectrophotometry
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Pan-STARRS1 dr1
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generated with Pleinpot: 8.18.10