SDSS J120540.44-012649.7

All names: GALEX J120540.4-012649, 2QZ J120540.4-012650, Gaia DR3 3601745212055692416, WD 1203-011, Gaia EDR3 3601745212055692416, SDSS J120540.44-012649.7, Gaia DR2 3601745212055692416

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 05 40.44 (0.3) 12 05 40.44 12 05 40.44 (0.4) 12 05 40.44 (0.3) 12 05 40.44 12 05 39.79 12 05 40.44
Declination -01 26 49.73 (0.3) -01 26 49.71 -01 26 49.73 (0.3) -01 26 49.73 (0.3) -01 26 49.73 -01 26 48.12 -01 26 49.73
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 13479.0 16535.0 (358) 17079.0 (394)
log(g) [cgs] 7.81 7.94 (0.08) 7.94 (0.09)
Mass [M☉] 0.508 0.586 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2080
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] 2.94 (0.4) 2.64 (0.7) 2.94 (0.4)
Distance [pc] 339.57 (49) 379.01 (94) 339.57 (49)
Composition H
Proper motion (right ascension) [mas/yr] -5.636668295 (0.5) -6.317345498 (1) -5.637 (0.5) 1.8
Proper motion (declination) [mas/yr] 0.075962886 (0.3) 0.681574463 (0.6) 0.076 (0.3) 0.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 19.20 (0.2)
H magnitude
K magnitude
u magnitude 19.23 (0.03) 19.23 (0.03) 19.20 (0.04) 19.19 19.18 (0.04)
g magnitude 18.95 (0.01) 18.95 (0.01) 18.95 (0.06) 18.94 18.93 (0.06)
r magnitude 19.27 (0.02) 19.27 (0.01) 19.32 (0.02) 19.32 19.32 (0.02)
i magnitude 19.46 (0.03) 19.46 (0.03) 19.46 (0.03) 19.46 19.48 (0.03)
z magnitude 20.09 (0.2) 20.09 (0.2) 20.10 (0.2) 20.09 20.09 (0.1)
G magnitude 19.16 (0.03) 19.20 19.16 (0.004)
BP magnitude 19.21 (0.03) 19.14
RP magnitude 19.32 (0.06) 19.19
Pan g magnitude 19.01 (0.008)
Pan r magnitude 19.28 (0.007)
Pan i magnitude 19.55 (0.02)
Pan z magnitude 19.74 (0.03)
Pan y magnitude 19.82 (0.05)
E(B-V) 0.024

* 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.