WD 0747+412

All names: SDSS J075124.21+410920.8, Gaia DR2 920944651593668224, SDSS J075124.20+410920.7, Gaia DR3 920944651593668224, Gaia EDR3 920944651593668224, GALEX J075124.2+410920, SDSS J075124.21+410920.7, SDSS J075124.20+410920.8, WD 0747+412

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 07 51 24.20 (0.2) 07 51 24.21 07 51 24.20 (0.3) 07 51 24.21 (0.2) 07 51 24.20 07 51 23.69 07 51 24.20 07 51 24.20
Declination 41 09 20.68 (0.2) 41 09 20.77 41 09 20.69 (0.2) 41 09 20.78 (0.2) 41 09 20.73 41 09 18.36 41 09 20.75 41 09 20.77
Spectral type DA DA DA DA DA DA1.0 DA DA
Effective temperature [K] 46835.0 (1405) 23770.0 47150.0 (2350) 48790.0 (1559) 48230.0 (1800) 48046.0 (2061)
log(g) [cgs] 7.21 (0.1) 6.63 7.47 (0.2) 7.31 (0.1) 7.48 (0.2) 7.57 (0.2)
Mass [M] 0.38 (0.03) 0.215 0.48 (0.06) 0.496 (0.05)
log(Luminosity) [L] 0.45 (0.1)
Cooling age [Gyr] 0.0001 0.0020
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] 0.78 (0.3) 0.67 (0.4) 0.78 (0.3)
Distance [pc] 1285.62 (423) 1496.40 (953) 1285.68 (423)
Composition H H H
Proper motion (right ascension) [mas/yr] -5.891024804 (0.3) -6.105097483 (0.6) -5.891 (0.3) -6.7 -6.0
Proper motion (declination) [mas/yr] -6.052704982 (0.2) -5.948503093 (0.4) -6.053 (0.2) -8.3 -7.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.50 (0.01) 18.50 (0.01) 18.52 (0.02) 18.52 18.50 (0.02) 18.52 (0.02)
g magnitude 18.82 (0.009) 18.82 (0.009) 18.84 (0.02) 18.83 18.83 (0.02) 18.83 (0.02)
r magnitude 19.30 (0.01) 19.30 (0.01) 19.32 (0.02) 19.32 19.30 (0.02) 19.32 (0.02)
i magnitude 19.66 (0.02) 19.66 (0.02) 19.67 (0.03) 19.68 19.65 (0.03) 19.68 (0.03)
z magnitude 20.06 (0.1) 20.06 (0.1) 20.09 (0.1) 20.08 20.07 (0.1) 20.08 (0.1)
G magnitude 19.07 (0.02) 19.12 19.07 (0.004)
BP magnitude 18.98 (0.02) 18.90
RP magnitude 19.45 (0.04) 19.36
Pan g magnitude 18.91 (0.01)
Pan r magnitude 19.32 (0.007)
Pan i magnitude 19.67 (0.01)
Pan z magnitude 19.92 (0.03)
Pan y magnitude 20.14 (0.2)
E(B-V) 0.039

* 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.