SDSS J072453.57+364010.6

All names: Gaia EDR3 897316936986669440, Gaia DR2 897316936986669440, SDSS J072453.57+364010.60, GALEX J072453.5+364011, Gaia DR3 897316936986669440, SDSS J072453.57+364010.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013
Right ascension 07 24 53.57 (0.6) 07 24 53.57 07 24 53.57 (1) 07 24 53.58 (0.6) 07 24 53.57
Declination 36 40 10.51 (0.5) 36 40 10.55 36 40 10.51 (0.9) 36 40 10.57 (0.5) 36 40 10.58
Spectral type DBH DBH DBH
Effective temperature [K] 18082.0 17867.0 15023.0 18708.0 (1292)
log(g) [cgs] 8.33 8.13 7.95 8.39 (0.3)
Mass [M] 0.801 0.672 0.559
log(Luminosity) [L]
Cooling age [Gyr] 0.1810
log(H/He) <-5.39
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 1.89 (0.6) 1.54 (0.9) 1.89 (0.6)
Distance [pc] 527.86 (159) 649.31 (369) 527.87 (159)
Composition He
Proper motion (right ascension) [mas/yr] -2.182676995 (0.8) -6.119084128 (2) -2.183 (0.8)
Proper motion (declination) [mas/yr] -3.555464964 (0.7) -1.685005713 (2) -3.555 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.11 (0.04) 20.11 (0.05) 20.11 (0.05)
g magnitude 20.11 (0.02) 20.11 (0.02) 20.11 (0.02)
r magnitude 20.43 (0.03) 20.43 (0.03) 20.43 (0.03)
i magnitude 20.66 (0.05) 20.67 (0.05) 20.67 (0.05)
z magnitude 20.94 (0.3) 20.93 (0.2) 20.93 (0.2)
G magnitude 20.29 (0.09) 20.36 20.29 (0.008)
BP magnitude 20.30 (0.09) 20.33
RP magnitude 20.10 (0.1) 20.64
Pan g magnitude 20.14 (0.01)
Pan r magnitude 20.41 (0.01)
Pan i magnitude 20.68 (0.02)
Pan z magnitude 20.85 (0.06)
Pan y magnitude 20.86 (0.2)
E(B-V) 0.030

* 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.