SDSS J093512.70+003857.1

All names: SDSS J093512.70+003857.12, Gaia EDR3 3841069551522187008, GALEX J093512.7+003857, SDSS J093512.70+003857.1, Gaia DR3 3841069551522187008, Gaia DR2 3841069551522187008

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 09 35 12.72 (0.1) 09 35 12.70 09 35 12.72 (0.2) 09 35 12.72 09 35 12.71 (0.1)
Declination 00 38 57.08 (0.1) 00 38 57.17 00 38 57.08 (0.3) 00 38 57.08 00 38 57.17 (0.1)
Spectral type DB DB DB DB DB
Effective temperature [K] 12853.0 12472.0 11658.0 12569.0 (67) 12678.0 (65) 11984.0 (360)
log(g) [cgs] 8.03 7.54 7.47 8.00 (0) 8.00 (0) 7.51 (0.07)
Mass [M] 0.601 0.359 0.333 0.347 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.2352
log(H/He) -6.053 <-5.55
log(C/He)
log(Ca/He) <-9.75
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] 3.61 (0.2) 3.57 (0.2) 3.61 3.61 (0.2)
Distance [pc] 277.22 (13) 279.94 (19) 212.00 277.22 277.22 (13)
Composition He
Proper motion (right ascension) [mas/yr] 9.54232758 (0.2) 9.462000216 (0.4) 9.542 (0.2)
Proper motion (declination) [mas/yr] -5.925774283 (0.2) -6.056569303 (0.4) -5.926 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.35 (0.01) 18.36 (0.02) 18.35 (0.01)
g magnitude 18.30 (0.007) 18.30 (0.02) 18.30 (0.007)
r magnitude 18.50 (0.008) 18.50 (0.02) 18.50 (0.008)
i magnitude 18.68 (0.01) 18.68 (0.02) 18.68 (0.01)
z magnitude 18.91 (0.04) 18.91 (0.04) 18.91 (0.04)
G magnitude 18.38 (0.02) 18.42 18.38 18.38 (0.003)
BP magnitude 18.39 (0.02) 18.33
RP magnitude 18.37 (0.02) 18.37
Pan g magnitude 18.35 (0.01)
Pan r magnitude 18.50 (0.01)
Pan i magnitude 18.70 (0.007)
Pan z magnitude 18.90 (0.006)
Pan y magnitude 18.91 (0.07)
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.