SDSS J090319.85+361532.8

All names: Gaia DR2 715363022609757440, Gaia DR3 715363022609757440, Gaia EDR3 715363022609757440, WD 0900+364, SDSS J090319.86+361532.90, SDSS J090319.86+361532.9, SDSS J090319.85+361532.8, GALEX J090319.8+361532

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 03 19.87 (0.6) 09 03 19.86 09 03 19.87 (0.9) 09 03 19.86 (0.6) 09 03 19.86 09 03 19.25 09 03 19.86
Declination 36 15 32.70 (0.4) 36 15 32.89 36 15 32.70 (0.6) 36 15 32.90 (0.4) 36 15 32.88 36 15 29.88 36 15 32.87
Spectral type DB DB DB DB DBA DB
Effective temperature [K] 30628.0 18124.0 26562.0 17703.0 (640) 18116.0 (807)
log(g) [cgs] 7.67 7.75 8.13 8.02 (0.3) 8.13 (0.3)
Mass [M] 0.459 0.466 0.686
log(Luminosity) [L]
Cooling age [Gyr] 0.0235
log(H/He) -2
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] 1.47 (0.7) 1.08 (1) 1.47 (0.7)
Distance [pc] 681.52 (328) 925.42 (905) 681.52 (328)
Composition He
Proper motion (right ascension) [mas/yr] 11.18344686 (0.7) 11.78660661 (1) 11.183 (0.7) 4.1
Proper motion (declination) [mas/yr] -12.41568895 (0.6) -10.59599381 (1) -12.416 (0.6) -22.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.11 (0.04) 20.13 (0.04) 20.16 (0.04) 20.16 20.14 (0.04)
g magnitude 20.24 (0.02) 20.27 (0.02) 20.30 (0.03) 20.30 20.30 (0.03)
r magnitude 20.43 (0.04) 20.42 (0.04) 20.47 (0.04) 20.47 20.47 (0.04)
i magnitude 20.78 (0.08) 20.78 (0.09) 20.81 (0.08) 20.81 20.81 (0.08)
z magnitude 21.45 (0.5) 21.34 (0.4) 21.34 (0.4) 21.34 21.35 (0.4)
G magnitude 20.38 (0.07) 20.46 20.38 (0.006)
BP magnitude 20.44 (0.07) 20.38
RP magnitude 20.44 (0.1) 20.36
Pan g magnitude 20.24 (0.01)
Pan r magnitude 20.51 (0.02)
Pan i magnitude 20.76 (0.02)
Pan z magnitude 20.96 (0.06)
Pan y magnitude
E(B-V) 0.023

* 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.