SDSS J092241.45+363818.1

All names: SDSS J092241.45+363818.20, WD 0919+368, SDSS J092241.45+363818.1, SDSS J092241.45+363818.2, Gaia DR2 810757299974262016, Gaia DR3 810757299974262016, Gaia EDR3 810757299974262016

Parameter Unit Gaia EDR3 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 22 41.46 (1) 09 22 41.46 09 22 41.46 (1) 09 22 41.45 (1) 09 22 41.45 09 22 41.62 09 22 41.45
Declination 36 38 18.20 (1) 36 38 18.19 36 38 18.20 (2) 36 38 18.30 (1) 36 38 18.16 36 38 15.00 36 38 18.17
Spectral type DB DB DB DB DB DB
Effective temperature [K] 18280.0 18660.0 22953.0 22311.0 (2370) 23066.0 (2481)
log(g) [cgs] 7.56 8.88 9.05 7.83 (0.3) 7.94 (0.3)
Mass [M] 0.383 1.13 1.211 0.568 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.3580
log(H/He) -3.693
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] 2.61 (1) 2.12 (2) 2.61 (1)
Distance [pc] 382.55 (176) 472.70 (339) 382.56 (176)
Composition He
Proper motion (right ascension) [mas/yr] 10.75730083 (1) 8.854482641 (3) 10.757 (1) 13.6
Proper motion (declination) [mas/yr] -6.297082509 (2) -3.595438981 (3) -6.297 (2) -4.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.33 (0.05) 20.34 (0.06) 20.43 (0.06) 20.43 20.42 (0.06)
g magnitude 20.40 (0.02) 20.39 (0.02) 20.47 (0.03) 20.47 20.47 (0.03)
r magnitude 20.74 (0.04) 20.75 (0.04) 20.86 (0.04) 20.86 20.85 (0.04)
i magnitude 21.05 (0.08) 21.08 (0.08) 21.19 (0.08) 21.19 21.19 (0.08)
z magnitude 21.58 (0.4) 21.89 (0.5) 21.70 (0.4) 21.70 21.69 (0.4)
G magnitude 20.70 (0.2) 20.76 20.70 (0.01)
BP magnitude 20.74 (0.2) 20.46
RP magnitude 20.26 (0.2) 20.69
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.019

* 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.