SDSS J090600.30+021325.0

All names: Gaia EDR3 577158289352938752, WD 0903+024.1, SDSS J090600.30+021325.10, SDSS J090600.28+021325.0, SDSS J090600.30+021325.1, Gaia DR2 577158289352938752, GALEX J090600.3+021324, SDSS J090600.30+021325.0, Gaia DR3 577158289352938752

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 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 06 00.30 (0.4) 09 06 00.29 09 06 00.30 (0.7) 09 06 00.30 (0.4) 09 06 00.30 09 05 59.62 09 06 00.30
Declination 02 13 25.10 (0.3) 02 13 25.05 02 13 25.10 (0.5) 02 13 25.06 (0.3) 02 13 25.07 02 13 21.00 02 13 25.10
Spectral type DB: DB DB: DB: DB DB
Effective temperature [K] 14446.0 15149.0 14881.0 14964.0 (404) 14737.0 (431)
log(g) [cgs] 7.15 7.38 7.39 7.89 (0.3) 7.77 (0.3)
Mass [M] 0.254 0.314 0.316 0.468 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.1028
log(H/He) <-6.041
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] 2.14 (0.5) 1.21 (0.7) 2.14 (0.5)
Distance [pc] 467.79 (107) 827.53 (474) 467.79 (107)
Composition He
Proper motion (right ascension) [mas/yr] 1.111215794 (0.5) 0.474294175 (1) 1.111 (0.5)
Proper motion (declination) [mas/yr] 2.59949345 (0.4) 3.423083299 (0.9) 2.599 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.93 (0.04) 19.93 (0.04) 19.87 (0.04) 19.87 19.88 (0.04)
g magnitude 19.92 (0.02) 19.92 (0.01) 19.94 (0.03) 19.94 19.95 (0.02)
r magnitude 20.24 (0.02) 20.24 (0.03) 20.25 (0.03) 20.25 20.25 (0.03)
i magnitude 20.40 (0.04) 20.40 (0.04) 20.42 (0.05) 20.42 20.42 (0.05)
z magnitude 20.74 (0.2) 20.74 (0.2) 20.17 (0.1) 20.17 20.16 (0.1)
G magnitude 20.04 (0.07) 20.10 20.04 (0.006)
BP magnitude 20.09 (0.07) 19.88
RP magnitude 19.92 (0.1) 19.99
Pan g magnitude 19.91 (0.02)
Pan r magnitude 20.15 (0.02)
Pan i magnitude 20.45 (0.03)
Pan z magnitude 20.62 (0.07)
Pan y magnitude 20.55 (0.2)
E(B-V) 0.037

* 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.