SDSS J074253.80+325643.2

All names: SDSS J074253.81+325643.2, Gaia DR2 881960436039282432, Gaia EDR3 881960436039282432, SDSS J074253.80+325643.2, GALEX J074253.7+325644, Gaia DR3 881960436039282432, SDSS J074253.81+325643.4, SDSS J074253.80+325643.3, SDSS J074253.80+325643.4, WD 0739+330

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Tremblay et al. 2011 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 42 53.81 (0.2) 07 42 53.80 07 42 53.81 (0.3) 07 42 53.81 07 42 53.80 (0.2) 07 42 53.80 07 42 53.95 07 42 53.81
Declination 32 56 43.22 (0.2) 32 56 43.26 32 56 43.22 (0.2) 32 56 43.22 32 56 43.35 (0.2) 32 56 43.34 32 56 39.48 32 56 43.41
Spectral type DA DA DA DA DA_auto DA DA DA
Effective temperature [K] 16274.0 20720.0 (410) 21003.0 (2256) 19414.0 (232) 19945.0 (237)
log(g) [cgs] 7.75 8.09 (0.06) 8.27 (0.1) 7.99 (0.04) 8.06 (0.04)
Mass [M] 0.483 0.68 (0.04) 0.789 (0.1) 0.654 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.0975 0.0794
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] 2.64 (0.2) 2.24 (0.4) 2.64 2.64 (0.2)
Distance [pc] 379.12 (35) 446.76 (77) 379.12 379.12 (35)
Composition H H
Proper motion (right ascension) [mas/yr] 6.949732095 (0.3) 6.256305168 (0.6) 6.95 (0.3) 3.9
Proper motion (declination) [mas/yr] -7.863169394 (0.2) -7.828422232 (0.4) -7.863 (0.2) -5.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.01 (0.02) 19.01 (0.02) 18.98 (0.03) 18.98 18.99 (0.02)
g magnitude 18.87 (0.008) 18.88 (0.008) 18.85 (0.02) 18.85 18.86 (0.02)
r magnitude 19.21 (0.01) 19.21 (0.01) 19.21 (0.02) 19.21 19.21 (0.02)
i magnitude 19.49 (0.02) 19.49 (0.02) 19.48 (0.02) 19.49 19.49 (0.02)
z magnitude 19.80 (0.07) 19.80 (0.07) 19.93 (0.09) 19.94 19.95 (0.09)
G magnitude 19.06 (0.02) 19.10 19.06 19.06 (0.004)
BP magnitude 18.99 (0.02) 18.95
RP magnitude 19.31 (0.05) 19.18
Pan g magnitude 18.90 (0.009)
Pan r magnitude 19.22 (0.01)
Pan i magnitude 19.52 (0.01)
Pan z magnitude 19.73 (0.03)
Pan y magnitude 19.75 (0.1)
E(B-V) 0.027

* 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.