SDSS J075402.95+250241.4

All names: WD 0751+251, GALEX J075402.9+250242, Gaia EDR3 873734478452288000, Gaia DR3 873734478452288000, SDSS J075402.95+250241.5, Gaia DR2 873734478452288000, SDSS J075402.95+250241.4

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 07 54 02.94 (0.6) 07 54 02.95 07 54 02.94 (0.7) 07 54 02.95 (0.6) 07 54 02.95 07 54 02.35 07 54 02.95
Declination 25 02 41.33 (0.4) 25 02 41.49 25 02 41.33 (0.4) 25 02 41.45 (0.4) 25 02 41.47 25 02 37.32 25 02 41.45
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 18345.0 12976.0 (765) 12990.0 (639)
log(g) [cgs] 8.38 7.79 (0.2) 7.88 (0.2)
Mass [M☉] 0.854 0.546 (0.09)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2043
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] 1.77 (0.8) 2.06 (1) 1.77 (0.8)
Distance [pc] 565.43 (251) 485.29 (267) 565.42 (251)
Composition H
Proper motion (right ascension) [mas/yr] -9.949512935 (0.8) -8.804088183 (2) -9.95 (0.8) -8.4
Proper motion (declination) [mas/yr] -7.437066528 (0.5) -7.725442025 (0.8) -7.437 (0.5) -8.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.71 (0.06) 20.70 (0.07) 20.69 (0.07) 20.69 20.69 (0.07)
g magnitude 20.15 (0.02) 20.17 (0.02) 20.17 (0.02) 20.17 20.17 (0.02)
r magnitude 20.29 (0.03) 20.31 (0.03) 20.30 (0.03) 20.30 20.30 (0.03)
i magnitude 20.56 (0.05) 20.55 (0.05) 20.56 (0.04) 20.56 20.56 (0.05)
z magnitude 20.88 (0.2) 20.90 (0.2) 20.91 (0.2) 20.90 20.91 (0.2)
G magnitude 20.25 (0.1) 20.31 20.25 (0.007)
BP magnitude 20.22 (0.1) 20.03
RP magnitude 19.91 (0.1) 19.94
Pan g magnitude 20.13 (0.02)
Pan r magnitude 20.35 (0.01)
Pan i magnitude 20.53 (0.03)
Pan z magnitude 20.68 (0.08)
Pan y magnitude
E(B-V) 0.040

* 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.