WD 1204+095

All names: Gaia DR3 3905910019954089856, USNO-B1.0 0992-00214155, SDSS J120722.82+091722.3, Gaia EDR3 3905910019954089856, SDSS J120722.79+091723.3, GALEX J120722.8+091722, WD 1204+095, Gaia DR2 3905910019954089856

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 07 22.90 (0.3) 12 07 22.90 (0.4) 12 07 22.78 (0.3) 12 07 22.46
Declination 09 17 19.77 (0.2) 09 17 19.89 (0.3) 09 17 23.86 (0.2) 09 17 18.24
Spectral type D D D WD
Effective temperature [K] 9381.0 9424.0
log(g) [cgs] 7.66 7.60
Mass [M] 0.421 0.376
log(Luminosity) [L]
Cooling age [Gyr] 0.4807 0.4612
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.29 (0.3) 3.07 (0.5) 3.29 (0.3)
Distance [pc] 303.83 (31) 325.22 (55) 303.83 (31)
Composition
Proper motion (right ascension) [mas/yr] 112.4549657 (0.4) 111.1432092 (1) 112.455 (0.4)
Proper motion (declination) [mas/yr] -255.8346772 (0.2) -254.5209686 (0.5) -255.835 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.70
V magnitude
R magnitude 19.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.94 (0.03) 19.41
g magnitude 19.46 (0.01) 19.41
r magnitude 19.54 (0.01)
i magnitude 19.64 (0.02)
z magnitude 19.84 (0.07)
G magnitude 19.47 (0.06) 19.51 19.47 (0.004)
BP magnitude 19.46 (0.06) 19.30
RP magnitude 19.39 (0.06) 19.12
Pan g magnitude 19.50 (0.02)
Pan r magnitude 19.54 (0.02)
Pan i magnitude 19.69 (0.03)
Pan z magnitude 19.82 (0.02)
Pan y magnitude 19.90 (0.04)
E(B-V) 0.022

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.