SDSS J073135.37+353108.6

All names: GALEX J073135.3+353109, Gaia DR2 895445980512796416, SDSS J073135.37+353108.6, Gaia DR3 895445984809560448, Gaia EDR3 895445984809560448

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 07 31 35.37 (0.9) 07 31 35.37 07 31 35.37 (1) 07 31 35.37 (0.9) 07 31 35.37
Declination 35 31 08.47 (1) 35 31 08.58 35 31 08.48 (1) 35 31 08.59 (1) 35 31 08.57
Spectral type DA DAH DAH DAH
Effective temperature [K] 21933.5 (490) 28083.0 22795.0 (1052)
log(g) [cgs] 7.72 (0.2) 6.18 7.85 (0.2)
Mass [M] 0.48784077408389 (0.2) 0.191
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] 0.95 (1) 0.22 (2) 0.95 (1)
Distance [pc] 1055.96 (1491) 4648.62 (35637) 1055.97 (1492)
Composition H
Proper motion (right ascension) [mas/yr] 2.420434127 (2) 1.558643719 (3) 2.42 (2)
Proper motion (declination) [mas/yr] -7.495760664 (1) -8.954488521 (2) -7.496 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.32 (0.05) 20.25 (0.06) 20.25 (0.06)
g magnitude 20.29 (0.02) 20.36 (0.03) 20.36 (0.03)
r magnitude 20.66 (0.04) 20.65 (0.04) 20.65 (0.04)
i magnitude 20.90 (0.07) 21.00 (0.07) 21.00 (0.07)
z magnitude 21.26 (0.3) 21.13 (0.3) 21.13 (0.3)
G magnitude 20.52 (0.1) 20.59 20.52 (0.01)
BP magnitude 20.32 (0.1) 20.28
RP magnitude 20.75 (0.2) 20.24
Pan g magnitude 20.40 (0.03)
Pan r magnitude 20.61 (0.02)
Pan i magnitude 20.94 (0.03)
Pan z magnitude 20.90 (0.2)
Pan y magnitude
E(B-V) 0.035

* 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.