SDSS J095256.37+244851.6

All names: SDSS J095256.37+244851.6, Gaia DR3 643141081646980864, Gaia EDR3 643141081646980864, SDSS J095256.37+244851.66, GALEX J095256.3+244852, SDSS J095256.36+244851.8, Gaia DR2 643141081646980864

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 09 52 56.38 (0.1) 09 52 56.37 09 52 56.38 (0.2) 09 52 56.38 09 52 56.37 (0.1)
Declination 24 48 51.65 (0.08) 24 48 51.86 24 48 51.66 (0.1) 24 48 51.65 24 48 52.01 (0.08)
Spectral type DBA: DBA: DA DBA DA
Effective temperature [K] 12619.0 10934.0 11232.0 11440.0 (191) 13801.0 (336)
log(g) [cgs] 8.89 8.05 8.13 8.65 (0.1) 8.35 (0.02)
Mass [M] 1.137 0.612 0.662 0.827 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.5567
log(H/He) -4.712
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] 7.49 (0.1) 7.80 (0.2) 7.49 7.49 (0.1)
Distance [pc] 133.51 (2) 128.14 (4) 133.51 133.51 (2)
Composition He
Proper motion (right ascension) [mas/yr] 7.168691647 (0.1) 7.294379991 (0.3) 7.169 (0.1)
Proper motion (declination) [mas/yr] -22.960772 (0.09) -23.30346924 (0.3) -22.961 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.70 (0.01) 17.73 (0.02) 17.72 (0.01)
g magnitude 17.60 (0.005) 17.64 (0.03) 17.61 (0.005)
r magnitude 17.79 (0.006) 17.83 (0.02) 17.80 (0.006)
i magnitude 17.96 (0.008) 17.97 (0.02) 17.96 (0.008)
z magnitude 18.13 (0.02) 18.15 (0.03) 18.13 (0.02)
G magnitude 17.68 (0.008) 17.70 17.68 17.68 (0.003)
BP magnitude 17.68 (0.008) 17.66
RP magnitude 17.70 (0.01) 17.66
Pan g magnitude 17.65 (0.005)
Pan r magnitude 17.79 (0.007)
Pan i magnitude 17.97 (0.006)
Pan z magnitude 18.15 (0.005)
Pan y magnitude 18.29 (0.01)
E(B-V) 0.007

* 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.