xCOLD GASS Object Viewer

ID31775GASS catalog ID
SDSSJ075641.84+175928.2SDSS name
OBJID587739115771461676SDSS ObjID
SPECOBJID540942427570044928SDSS SpecObjID
PLATEID1921SDSS spectroscopic Plate ID
MJD53317SDSS spectroscopic MJD ID
FIBERID605SDSS spectroscopic Fiber ID
RA119.17RA from SDSS, J2000 [decimal degrees]
DEC17.991Dec from SDSS, J2000 [decimal degrees]
Z_SDSS0.04124SDSS spectroscopic redshift
LUMDIST182.18Luminosity distance [Mpc] (Omega_m=0.3, Omega_L = 0.7, H0 = 70 km/s/Mpc)
INCL51.733Disc inclination [degrees]
NUVR2.23NUV-r colour, corrected for Galactic extinction
R50KPC3.6416SDSS r-band Petrosian R50[kpc]
LOGMSTAR10.572Stellar mass [log Msun]
LOGMUST8.7412Stellar mass surface density [log Msun/kpc^2] (calculated as log(mu*)=log(M*/(2*pi*r50_z^2)) )
CINDX2.35Concentration index (ratio of r-band Petrosian R90 and R50)
WEIGHT0.53263Statistical weight
LOGSFR_MPAJHU1.0679SFR from SDSS MPA/JHU catalog
LOGSFR_SED1.2423SFR from UV+optical SED fitting
LOGSFR_BEST1.0766SFR from WISE + GALEX when detected in both data sets else from SED fitting (see Janowiecki et al. 2017)
LOGSFR_ERR0Error on LOGSFR_BEST
FLAG_IRAS1Detection flag in the IRAS PSC, 1:yes, 2:no
LOGLIR_IRAS11.035Total IR luminosity [log Lsun]
IRCOL_IRAS0.50923IRAS colour (F60/F100)
N2HA-0.30554log(FLUX_NII_6583/FLUX_Halpha_6562) (using fluxes from SDSS DR7)
O3HB-0.40182log(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_N28.858212+logO/H from N2Ha using Pettini&Pagel (2004)
Z_PP04_O3N28.760812+logO/H from N2Ha and O3Hb using Pettini&Pagel (2004)
Z_MZR8.771812+logO/H from MZR, Kewley&Ellison08, PP04 calibration
FLAG_CO1CO(1-0) detection flag, 1:yes, 2:no
XCO1Constant Galactic CO-to-H2 conversion factor except for galaxies suspected of requiring the lower “merger” value
XCO_A171CO-to-H2 conversion function from Accurso et al. (2017)
XCO_A17_ERR0.37993Error on XCO_A17
ICO2.58CO(1-0) line flux [K km/s]
ICO_ERR0.26533Error on ICO [K km/s]
ICO_COR2.9845CO(1-0) line flux, aperture corrected [K km/s]
ICO_COR_ERR0.54278Error on ICO_COR [K km/s]
LCO1.2306E+9CO(1-0) line luminosity [K km/s pc^2] (if FLAG_CO=2, then this is a 3sigma upper limit)
LCO_ERR1.4640E+8Error on LCO [K km/s pc^2]
LCO_COR1.4236E+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_ERR2.5890E+8Error on LCO_COR [K km/s pc^2]
RMS_CO0.001832Rms noise around the CO(1-0) line in 20km/s-wide channels [K]
SN_CO15.474Integrated S/N of the CO(1-0) line
WCO384.02FWHM of the CO(1-0) line [km/s]
WCO_FLAG1Quality flag for WCO, 1:high quality, 2: acceptable, 3: poor
Z_CO0.041065Redshift based on the velocity of the CO(1-0) line
WCO_TFR400.55FWHM of the CO(1-0) for TFR work from Tiley et al. (2016) [km/s]
WCO_TFR_ERR15.07Error on WCO_TFR
LOGMH29.1534Total molecular gas mass [log Msun]
LOGMH2_ERR0.17094Error on LOGMH2
LIM_LOGMH203sigma upper limit for LOGMH2, if FLAG_CO=2
LOGMH2MS-1.4186Molecular gas mass fraction [log MH2/M*]
FLAG_CO211CO(2-1) detection flag, 1:yes, 2:no, 0:not observed
ICO213.27CO(2-1) line flux [K km/s]
ICO21_ERR0.80356Error on ICO21 [K km/s]
LCO214.9078E+8CO(2-1) line luminosity [K km/s pc^2] (if FLAG_CO21=2, then this is a 3sigma upper limit)
LCO21_ERR1.2060E+8Error on LCO21 [K km/s pc^2]
RMS_CO210.00513Rms noise around the CO(2-1) line in 20km/s-wide channels [K]
SN_CO217.0037Integrated S/N of the CO(2-1) line
WCO21408.24FWHM of the CO(2-1) line [km/s]
WCO21_FLAG2Quality flag for WCO21, 1:high quality, 2: acceptable, 3: poor
Z_CO210.04124Redshift 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