SDSS J120945.92-001222.5

All names: SDSS J120945.92-001222.4, WD 1207+000, 2QZ J120945.9-001222, SDSS J120945.92-001222.5, Gaia EDR3 3698758833825536384, Gaia DR2 3698758833825536384, GALEX J120945.9-001223, Gaia DR3 3698758833825536384

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004
Right ascension 12 09 45.92 (0.7) 12 09 45.92 12 09 45.92 (0.9) 12 09 45.92 (0.7) 12 09 45.92 12 09 44.76 12 09 45.92 12 09 45.92
Declination -00 12 22.73 (0.7) -00 12 22.51 -00 12 22.72 (0.9) -00 12 22.52 (0.7) -00 12 22.52 -00 12 29.52 -00 12 22.41 -00 12 22.39
Spectral type DA DA+M DA DA3.2 DA+M:
Effective temperature [K] 10707.0 15565.0 (644) 18612.0 (887) 15652.0 (622)
log(g) [cgs] 6.99 7.34 (0.2) 6.53 (0.3) 7.36 (0.2)
Mass [M] 0.221
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] -1.11 (1) -1.09 (1)
Distance [pc]
Composition H
Proper motion (right ascension) [mas/yr] 0.244949636 (1) -0.843604887 (2) 0.245 (1) -3.2 -2.0
Proper motion (declination) [mas/yr] -12.86160702 (0.7) -11.8383748 (2) -12.862 (0.7) -17.6 -17.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.46 (0.04) 20.46 (0.05) 20.52 (0.05) 20.50 20.51 (0.05) 20.50 (0.05)
g magnitude 20.13 (0.02) 20.12 (0.02) 20.15 (0.03) 20.15 20.14 (0.03) 20.15 (0.02)
r magnitude 20.46 (0.03) 20.43 (0.03) 20.50 (0.03) 20.50 20.50 (0.03) 20.50 (0.03)
i magnitude 20.69 (0.04) 20.65 (0.04) 20.73 (0.05) 20.72 20.74 (0.05) 20.72 (0.04)
z magnitude 20.85 (0.2) 20.79 (0.2) 20.87 (0.2) 20.82 20.87 (0.2) 20.82 (0.2)
G magnitude 20.36 (0.07) 20.42 20.36 (0.008)
BP magnitude 20.14 (0.07) 19.97
RP magnitude 20.22 (0.2) 20.08
Pan g magnitude 20.25 (0.01)
Pan r magnitude 20.45 (0.01)
Pan i magnitude 20.68 (0.03)
Pan z magnitude 20.77 (0.04)
Pan y magnitude 20.25 (0.2)
E(B-V)

* 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.