xCOLD GASS Object Viewer

ID41869GASS catalog ID
SDSSJ150921.50+070439.8SDSS name
OBJID587736542023581853SDSS ObjID
SPECOBJID511390138740244480SDSS SpecObjID
PLATEID1816SDSS spectroscopic Plate ID
MJD53919SDSS spectroscopic MJD ID
FIBERID165SDSS spectroscopic Fiber ID
RA227.34RA from SDSS, J2000 [decimal degrees]
DEC7.0777Dec from SDSS, J2000 [decimal degrees]
Z_SDSS0.04141SDSS spectroscopic redshift
LUMDIST182.96Luminosity distance [Mpc] (Omega_m=0.3, Omega_L = 0.7, H0 = 70 km/s/Mpc)
INCL68.531Disc inclination [degrees]
NUVR3.4NUV-r colour, corrected for Galactic extinction
R50KPC2.5844SDSS r-band Petrosian R50[kpc]
LOGMSTAR10.149Stellar mass [log Msun]
LOGMUST8.5097Stellar mass surface density [log Msun/kpc^2] (calculated as log(mu*)=log(M*/(2*pi*r50_z^2)) )
CINDX2.17Concentration index (ratio of r-band Petrosian R90 and R50)
WEIGHT0.68148Statistical weight
LOGSFR_MPAJHU0.327SFR from SDSS MPA/JHU catalog
LOGSFR_SED0.34477SFR from UV+optical SED fitting
LOGSFR_BEST0.17903SFR from WISE + GALEX when detected in both data sets else from SED fitting (see Janowiecki et al. 2017)
LOGSFR_ERR0Error 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)
N2HA-0.38639log(FLUX_NII_6583/FLUX_Halpha_6562) (using fluxes from SDSS DR7)
O3HB-0.37018log(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_N28.755312+logO/H from N2Ha using Pettini&Pagel (2004)
Z_PP04_O3N28.724812+logO/H from N2Ha and O3Hb using Pettini&Pagel (2004)
Z_MZR8.715812+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_A173.9028CO-to-H2 conversion function from Accurso et al. (2017)
XCO_A17_ERR1.4828Error on XCO_A17
ICO0.651CO(1-0) line flux [K km/s]
ICO_ERR0.11032Error on ICO [K km/s]
ICO_COR0.70037CO(1-0) line flux, aperture corrected [K km/s]
ICO_COR_ERR0.1585Error on ICO_COR [K km/s]
LCO3.1311E+8CO(1-0) line luminosity [K km/s pc^2] (if FLAG_CO=2, then this is a 3sigma upper limit)
LCO_ERR5.7085E+7Error on LCO [K km/s pc^2]
LCO_COR3.3686E+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_ERR7.6236E+7Error on LCO_COR [K km/s pc^2]
RMS_CO0.001376Rms noise around the CO(1-0) line in 20km/s-wide channels [K]
SN_CO6.6937Integrated S/N of the CO(1-0) line
WCO231.6FWHM of the CO(1-0) line [km/s]
WCO_FLAG2Quality flag for WCO, 1:high quality, 2: acceptable, 3: poor
Z_CO0.041459Redshift based on the velocity of the CO(1-0) line
WCO_TFR191.47FWHM of the CO(1-0) for TFR work from Tiley et al. (2016) [km/s]
WCO_TFR_ERR57.982Error on WCO_TFR
LOGMH29.1188Total molecular gas mass [log Msun]
LOGMH2_ERR0.18067Error on LOGMH2
LIM_LOGMH203sigma upper limit for LOGMH2, if FLAG_CO=2
LOGMH2MS-1.0302Molecular gas mass fraction [log MH2/M*]
FLAG_CO211CO(2-1) detection flag, 1:yes, 2:no, 0:not observed
ICO211.21CO(2-1) line flux [K km/s]
ICO21_ERR0.29969Error on ICO21 [K km/s]
LCO211.8312E+8CO(2-1) line luminosity [K km/s pc^2] (if FLAG_CO21=2, then this is a 3sigma upper limit)
LCO21_ERR4.5354E+7Error on LCO21 [K km/s pc^2]
RMS_CO210.002501Rms noise around the CO(2-1) line in 20km/s-wide channels [K]
SN_CO216.845Integrated S/N of the CO(2-1) line
WCO21192.25FWHM of the CO(2-1) line [km/s]
WCO21_FLAG3Quality flag for WCO21, 1:high quality, 2: acceptable, 3: poor
Z_CO210.04141Redshift based on the velocity of the CO(2-1) line
FLAG_APEX2CO(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_APEX0.001914Rms 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