VizieR

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VizieR

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J/PASP/122/1397/s4g Spitzer Survey of Stellar Structure in Galaxies (Sheth+, 2010)
S4G catalog Version 2 (2013-09) (2352 rows)
  recno=777
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ColumnValue  Explain   (UCD)
_RAJ200002 21 53.0568 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-20 49 25.680 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195002 19 34.0259 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-21 03 04.817 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon200.8305250 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-68.4363723 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
777recno 777  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
A   A indicates additions in S4G (version 2), compared to the original table (meta.note)

NameNGC0899  Galaxy name (meta.id;meta.main)
RAJ2000035.47107 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-20.82380 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
amaj 60.2 arcsec Semi-major axis at level µ(3.6um)=25.5mag(AB)/arcsec2 (phys.angSize.smajAxis)
PA -78.8 deg [-160/90] Position angle of major axis (pos.posAng)
ell 0.250   [0/1] Ellipticity (1-b/a) (src.ellipticity)
[3.6]12.818 mag Spitzer/IRAC 3.6um asymptotic magnitude (AB) (phot.mag;em.IR.3-4um)
e_[3.6] 0.005 mag Mean error on [3.6] (stat.error)
[4.5]13.207 mag Spitzer/IRAC 4.5um asymptotic magnitude (AB) (phot.mag;em.IR.4-8um)
e_[4.5] 0.004 mag Growth-curve fitting error in [4.5] (stat.error)
c31 3.308   [1/] r(75%)/r(25%) concentration index at 3.6um (meta.code;spect.index;em.IR.3-4um)
c42 3.207   5*log10(r(80%)/r(20%)) concentration index at 3.6um (meta.code;spect.index;em.IR.3-4um)
M3.6-18.518 mag Absolute magnitude at 3.6um (phys.magAbs;em.IR.3-4um)
M4.5-18.129 mag Absolute magnitude at 4.5um (phys.magAbs;em.IR.4-8um)
logM* 9.505 [Msun] Stellar mass (phys.mass)
Dmean 18.500 Mpc Mean redshift-independent distance (pos.distance;pos.heliocentric)
e_Dmean  Mpc Standard deviation of Dmean (stat.error)
TT 9.9   Morphological type code (meta.code;src.morph.type)
e_TT 0.3   Error on TT (stat.error)
Vr 1564.6 km/s Heliocentric radial velocity from radio measurement (spect.dopplerVeloc;pos.heliocentric)
e_Vr 6.5 km/s Mean error on Vr (stat.error)

S4GS4G  See the NASA/IPAC details for this galaxy (meta.ref.url)
SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
NEDNED  ask the NED data-base about this object (meta.ref.url)
LEDALEDA  ask the LEDA data-base about this object (meta.ref.url)
  
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