xCOLD GASS Object Viewer

ID4216GASS catalog ID
SDSSJ015551.98+145624.9SDSS name
OBJID587724234256285754SDSS ObjID
SPECOBJID121257052218589184SDSS SpecObjID
PLATEID430SDSS spectroscopic Plate ID
MJD51877SDSS spectroscopic MJD ID
FIBERID528SDSS spectroscopic Fiber ID
RA28.967RA from SDSS, J2000 [decimal degrees]
DEC14.94Dec from SDSS, J2000 [decimal degrees]
Z_SDSS0.04383SDSS spectroscopic redshift
LUMDIST193.99Luminosity distance [Mpc] (Omega_m=0.3, Omega_L = 0.7, H0 = 70 km/s/Mpc)
INCL46.731Disc inclination [degrees]
NUVR2.51NUV-r colour, corrected for Galactic extinction
R50KPC4.3417SDSS r-band Petrosian R50[kpc]
LOGMSTAR10.737Stellar mass [log Msun]
LOGMUST8.7719Stellar mass surface density [log Msun/kpc^2] (calculated as log(mu*)=log(M*/(2*pi*r50_z^2)) )
CINDX2.5Concentration index (ratio of r-band Petrosian R90 and R50)
WEIGHT0.50134Statistical weight
LOGSFR_MPAJHU0.78138SFR from SDSS MPA/JHU catalog
LOGSFR_SED0.97001SFR from UV+optical SED fitting
LOGSFR_BEST0.98435SFR from WISE + GALEX when detected in both data sets else from SED fitting (see Janowiecki et al. 2017)
LOGSFR_ERR0.016308Error on LOGSFR_BEST
FLAG_IRAS1Detection flag in the IRAS PSC, 1:yes, 2:no
LOGLIR_IRAS10.924Total IR luminosity [log Lsun]
IRCOL_IRAS0.39286IRAS colour (F60/F100)
N2HA-0.44737log(FLUX_NII_6583/FLUX_Halpha_6562) (using fluxes from SDSS DR7)
O3HB-0.60208log(FLUX_OIII_5006/FLUX_HBeta_4861) (using fluxes from SDSS DR7)
AGNCLASS1BPT-based AGN classification, -1:undetermined, 0:inactive, 1:SFing, 2:Composite, 3:AGN, 4:Seyfert
Z_PP04_N28.685412+logO/H from N2Ha using Pettini&Pagel (2004)
Z_PP04_O3N28.779512+logO/H from N2Ha and O3Hb using Pettini&Pagel (2004)
Z_MZR8.778612+logO/H from MZR, Kewley&Ellison08, PP04 calibration
FLAG_CO1CO(1-0) detection flag, 1:yes, 2:no
XCO4.35Constant Galactic CO-to-H2 conversion factor except for galaxies suspected of requiring the lower “merger” value
XCO_A173.3655CO-to-H2 conversion function from Accurso et al. (2017)
XCO_A17_ERR1.2786Error on XCO_A17
ICO4.34CO(1-0) line flux [K km/s]
ICO_ERR0.40086Error on ICO [K km/s]
ICO_COR5.2267CO(1-0) line flux, aperture corrected [K km/s]
ICO_COR_ERR0.92073Error on ICO_COR [K km/s]
LCO2.3413E+9CO(1-0) line luminosity [K km/s pc^2] (if FLAG_CO=2, then this is a 3sigma upper limit)
LCO_ERR2.6044E+8Error on LCO [K km/s pc^2]
LCO_COR2.8197E+9CO(1-0) line luminosity, aperture corrected [K km/s pc^2] (if FLAG_CO=2, then this is a 3sigma upper limit)
LCO_COR_ERR4.9671E+8Error on LCO_COR [K km/s pc^2]
RMS_CO0.00256Rms noise around the CO(1-0) line in 20km/s-wide channels [K]
SN_CO21.662Integrated S/N of the CO(1-0) line
WCO283.97FWHM of the CO(1-0) line [km/s]
WCO_FLAG1Quality flag for WCO, 1:high quality, 2: acceptable, 3: poor
Z_CO0.043827Redshift based on the velocity of the CO(1-0) line
WCO_TFR303.82FWHM of the CO(1-0) for TFR work from Tiley et al. (2016) [km/s]
WCO_TFR_ERR2.105Error on WCO_TFR
LOGMH29.9773Total molecular gas mass [log Msun]
LOGMH2_ERR0.16981Error on LOGMH2
LIM_LOGMH203sigma upper limit for LOGMH2, if FLAG_CO=2
LOGMH2MS-0.75975Molecular gas mass fraction [log MH2/M*]
FLAG_CO210CO(2-1) detection flag, 1:yes, 2:no, 0:not observed
ICO210CO(2-1) line flux [K km/s]
ICO21_ERRError on ICO21 [K km/s]
LCO210CO(2-1) line luminosity [K km/s pc^2] (if FLAG_CO21=2, then this is a 3sigma upper limit)
LCO21_ERRError on LCO21 [K km/s pc^2]
RMS_CO210Rms noise around the CO(2-1) line in 20km/s-wide channels [K]
SN_CO210Integrated S/N of the CO(2-1) line
WCO210FWHM of the CO(2-1) line [km/s]
WCO21_FLAG0Quality flag for WCO21, 1:high quality, 2: acceptable, 3: poor
Z_CO210Redshift based on the velocity of the CO(2-1) line
FLAG_APEX0CO(2-1) detection flag, 1:yes, 2:no, 0:not observed
ICO_APEX0CO(2-1) line flux [K km/s]
LCO_APEX0CO(2-1) line luminosity [K km/s pc^2]
RMS_APEX0Rms noise around the CO(2-1) line in 20km/s-wide channels [K]
SN_APEX0Integrated S/N of the CO(2-1) line
WCO_APEX0FWHM of the CO(2-1) line [km/s]
ZCO_APEX0Redshift based on the velocity of the CO(2-1) line