xCOLD GASS Object Viewer

ID30439GASS catalog ID
SDSSJ123410.30+155805.5SDSS name
OBJID587735349650391137SDSS ObjID
SPECOBJID497877292656099328SDSS SpecObjID
PLATEID1768SDSS spectroscopic Plate ID
MJD53442SDSS spectroscopic MJD ID
FIBERID522SDSS spectroscopic Fiber ID
RA188.54RA from SDSS, J2000 [decimal degrees]
DEC15.968Dec from SDSS, J2000 [decimal degrees]
Z_SDSS0.04609SDSS spectroscopic redshift
LUMDIST204.33Luminosity distance [Mpc] (Omega_m=0.3, Omega_L = 0.7, H0 = 70 km/s/Mpc)
INCL69.692Disc inclination [degrees]
NUVR2.94NUV-r colour, corrected for Galactic extinction
R50KPC7.8847SDSS r-band Petrosian R50[kpc]
LOGMSTAR11.054Stellar mass [log Msun]
LOGMUST8.5537Stellar mass surface density [log Msun/kpc^2] (calculated as log(mu*)=log(M*/(2*pi*r50_z^2)) )
CINDX2.11Concentration index (ratio of r-band Petrosian R90 and R50)
WEIGHT0.22916Statistical weight
LOGSFR_MPAJHU0.74584SFR from SDSS MPA/JHU catalog
LOGSFR_SED1.5993SFR from UV+optical SED fitting
LOGSFR_BEST0.85158SFR from WISE + GALEX when detected in both data sets else from SED fitting (see Janowiecki et al. 2017)
LOGSFR_ERR0.022934Error on LOGSFR_BEST
FLAG_IRAS1Detection flag in the IRAS PSC, 1:yes, 2:no
LOGLIR_IRAS10.774Total IR luminosity [log Lsun]
IRCOL_IRAS0.36905IRAS colour (F60/F100)
N2HA-0.041355log(FLUX_NII_6583/FLUX_Halpha_6562) (using fluxes from SDSS DR7)
O3HB0.31248log(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_N29.288212+logO/H from N2Ha using Pettini&Pagel (2004)
Z_PP04_O3N28.616812+logO/H from N2Ha and O3Hb using Pettini&Pagel (2004)
Z_MZR8.762912+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_A173.4045CO-to-H2 conversion function from Accurso et al. (2017)
XCO_A17_ERR1.2935Error on XCO_A17
ICO4.8CO(1-0) line flux [K km/s]
ICO_ERR0.42989Error on ICO [K km/s]
ICO_COR6.662CO(1-0) line flux, aperture corrected [K km/s]
ICO_COR_ERR1.1639Error on ICO_COR [K km/s]
LCO2.8666E+9CO(1-0) line luminosity [K km/s pc^2] (if FLAG_CO=2, then this is a 3sigma upper limit)
LCO_ERR3.5632E+8Error on LCO [K km/s pc^2]
LCO_COR3.9786E+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_ERR6.9508E+8Error on LCO_COR [K km/s pc^2]
RMS_CO0.001991Rms noise around the CO(1-0) line in 20km/s-wide channels [K]
SN_CO24.838Integrated S/N of the CO(1-0) line
WCO436.77FWHM of the CO(1-0) line [km/s]
WCO_FLAG1Quality flag for WCO, 1:high quality, 2: acceptable, 3: poor
Z_CO0.045999Redshift based on the velocity of the CO(1-0) line
WCO_TFR481.52FWHM of the CO(1-0) for TFR work from Tiley et al. (2016) [km/s]
WCO_TFR_ERR21.873Error on WCO_TFR
LOGMH210.132Total molecular gas mass [log Msun]
LOGMH2_ERR0.16952Error on LOGMH2
LIM_LOGMH203sigma upper limit for LOGMH2, if FLAG_CO=2
LOGMH2MS-0.92221Molecular 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