xCOLD GASS Object Viewer

ID48604GASS catalog ID
SDSSJ112746.27+265734.5SDSS name
OBJID587741602027012125SDSS ObjID
SPECOBJID623979598761164800SDSS SpecObjID
PLATEID2216SDSS spectroscopic Plate ID
MJD53795SDSS spectroscopic MJD ID
FIBERID621SDSS spectroscopic Fiber ID
RA171.94RA from SDSS, J2000 [decimal degrees]
DEC26.96Dec from SDSS, J2000 [decimal degrees]
Z_SDSS0.03336SDSS spectroscopic redshift
LUMDIST146.52Luminosity distance [Mpc] (Omega_m=0.3, Omega_L = 0.7, H0 = 70 km/s/Mpc)
INCL48.933Disc inclination [degrees]
NUVR3.2NUV-r colour, corrected for Galactic extinction
R50KPC2.8871SDSS r-band Petrosian R50[kpc]
LOGMSTAR10.597Stellar mass [log Msun]
LOGMUST9.0025Stellar mass surface density [log Msun/kpc^2] (calculated as log(mu*)=log(M*/(2*pi*r50_z^2)) )
CINDX2.33Concentration index (ratio of r-band Petrosian R90 and R50)
WEIGHT0.53263Statistical weight
LOGSFR_MPAJHU-1.0603SFR from SDSS MPA/JHU catalog
LOGSFR_SED-0.024627SFR from UV+optical SED fitting
LOGSFR_BEST-0.024947SFR from WISE + GALEX when detected in both data sets else from SED fitting (see Janowiecki et al. 2017)
LOGSFR_ERR0.12781Error on LOGSFR_BEST
FLAG_IRAS0Detection flag in the IRAS PSC, 1:yes, 2:no
LOGLIR_IRAS0Total IR luminosity [log Lsun]
IRCOL_IRAS0IRAS colour (F60/F100)
N2HA0.0059665log(FLUX_NII_6583/FLUX_Halpha_6562) (using fluxes from SDSS DR7)
O3HB0.3581log(FLUX_OIII_5006/FLUX_HBeta_4861) (using fluxes from SDSS DR7)
AGNCLASS3BPT-based AGN classification, -1:undetermined, 0:inactive, 1:SFing, 2:Composite, 3:AGN, 4:Seyfert
Z_PP04_N29.382212+logO/H from N2Ha using Pettini&Pagel (2004)
Z_PP04_O3N28.617312+logO/H from N2Ha and O3Hb using Pettini&Pagel (2004)
Z_MZR8.773412+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_A173.0275CO-to-H2 conversion function from Accurso et al. (2017)
XCO_A17_ERR1.1502Error on XCO_A17
ICO0.57CO(1-0) line flux [K km/s]
ICO_ERR0.11409Error on ICO [K km/s]
ICO_COR0.65766CO(1-0) line flux, aperture corrected [K km/s]
ICO_COR_ERR0.1645Error on ICO_COR [K km/s]
LCO1.7720E+8CO(1-0) line luminosity [K km/s pc^2] (if FLAG_CO=2, then this is a 3sigma upper limit)
LCO_ERR4.0923E+7Error on LCO [K km/s pc^2]
LCO_COR2.0446E+8CO(1-0) line luminosity, aperture corrected [K km/s pc^2] (if FLAG_CO=2, then this is a 3sigma upper limit)
LCO_COR_ERR5.1139E+7Error on LCO_COR [K km/s pc^2]
RMS_CO0.001222Rms noise around the CO(1-0) line in 20km/s-wide channels [K]
SN_CO5.4505Integrated S/N of the CO(1-0) line
WCO339.53FWHM of the CO(1-0) line [km/s]
WCO_FLAG1Quality flag for WCO, 1:high quality, 2: acceptable, 3: poor
Z_CO0.033379Redshift based on the velocity of the CO(1-0) line
WCO_TFR334.74FWHM of the CO(1-0) for TFR work from Tiley et al. (2016) [km/s]
WCO_TFR_ERR56.631Error on WCO_TFR
LOGMH28.7917Total molecular gas mass [log Msun]
LOGMH2_ERR0.1865Error on LOGMH2
LIM_LOGMH203sigma upper limit for LOGMH2, if FLAG_CO=2
LOGMH2MS-1.8053Molecular gas mass fraction [log MH2/M*]
FLAG_CO211CO(2-1) detection flag, 1:yes, 2:no, 0:not observed
ICO210.392CO(2-1) line flux [K km/s]
ICO21_ERR0.13561Error on ICO21 [K km/s]
LCO213.8346E+7CO(2-1) line luminosity [K km/s pc^2] (if FLAG_CO21=2, then this is a 3sigma upper limit)
LCO21_ERR1.3266E+7Error on LCO21 [K km/s pc^2]
RMS_CO210.001293Rms noise around the CO(2-1) line in 20km/s-wide channels [K]
SN_CO213.5426Integrated S/N of the CO(2-1) line
WCO21323.82FWHM of the CO(2-1) line [km/s]
WCO21_FLAG3Quality flag for WCO21, 1:high quality, 2: acceptable, 3: poor
Z_CO210.03336Redshift 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