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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=1153
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ColumnValue  Explain   (UCD)
_RAJ200003 02 37.5744 "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)
_DEJ2000-22 52 01.560 "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)
_RAB195003 00 23.9691 "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)
_DEB1950-23 03 45.554 "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)
_Glon212.0906546 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-60.0562876 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)
1153recno 1153  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)

NameNGC1187  Galaxy name (meta.id;meta.main)
RAJ2000045.65656 deg (i) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-22.86710 deg (i) Declination (J2000) (pos.eq.dec;meta.main)
amaj165.9 arcsec Semi-major axis at level µ(3.6um)=25.5mag(AB)/arcsec2 (phys.angSize.smajAxis)
PA -53.9 deg [-160/90] Position angle of major axis (pos.posAng)
ell 0.244   [0/1] Ellipticity (1-b/a) (src.ellipticity)
[3.6]10.538 mag Spitzer/IRAC 3.6um asymptotic magnitude (AB) (phot.mag;em.IR.3-4um)
e_[3.6] 0.001 mag Mean error on [3.6] (stat.error)
[4.5]10.922 mag Spitzer/IRAC 4.5um asymptotic magnitude (AB) (phot.mag;em.IR.4-8um)
e_[4.5] 0.001 mag Growth-curve fitting error in [4.5] (stat.error)
c31 3.194   [1/] r(75%)/r(25%) concentration index at 3.6um (meta.code;spect.index;em.IR.3-4um)
c42 3.390   5*log10(r(80%)/r(20%)) concentration index at 3.6um (meta.code;spect.index;em.IR.3-4um)
M3.6-20.837 mag Absolute magnitude at 3.6um (phys.magAbs;em.IR.3-4um)
M4.5-20.452 mag Absolute magnitude at 4.5um (phys.magAbs;em.IR.4-8um)
logM*10.429 [Msun] Stellar mass (phys.mass)
Dmean 18.829 Mpc Mean redshift-independent distance (pos.distance;pos.heliocentric)
e_Dmean 1.371 Mpc Standard deviation of Dmean (stat.error)
TT 5.0   Morphological type code (meta.code;src.morph.type)
e_TT 0.5   Error on TT (stat.error)
Vr 1390.6 km/s Heliocentric radial velocity from radio measurement (spect.dopplerVeloc;pos.heliocentric)
e_Vr 4.3 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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