SDSS J095854.96+055021.3

All names: SDSS J095854.97+055020.83, Gaia DR2 3850187217335099904, Gaia DR3 3850187217335099904, SDSS J095854.96+055021.3, GALEX J095855.0+055021, USNO-B1.0 0958-00185838, J0958+0550, USNO-A2.0 0900-06561406, Gaia EDR3 3850187217335099904, SDSS J095854.97+055020.8

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Coutu et al. 2019 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 09 58 54.98 (0.2) 09 58 54.96 09 58 54.97 09 58 54.98 09 58 54.96 (0.2)
Declination 05 50 20.59 (0.2) 05 50 21.39 05 50 20.62 05 50 20.59 05 50 21.50 (0.2)
Spectral type DBAZ DBAZ DZ DBAZ DZ
Effective temperature [K] 13125.0 10960.0 (402) 11684.0 (83) 12955.0 (171) 10134.0 (394)
log(g) [cgs] 8.66 8.00 8.00 (0) 8.54 (0.1) 7.68 (0.06)
Mass [M] 1.005 0.413 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.0000
log(H/He) -5.481 -5.8413 (0.3) -5.62 (0.4)
log(C/He)
log(Ca/He) -8.6563 (0.09) -8.75 (0.1)
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] 5.48 (0.2) 5.48 5.48 (0.2)
Distance [pc] 182.38 (6) 179.91 (7) 187.00 182.38 182.38 (6)
Composition He
Proper motion (right ascension) [mas/yr] 11.65547729 (0.2) 11.655 (0.2)
Proper motion (declination) [mas/yr] -57.03691704 (0.2) -57.037 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.70
V magnitude
R magnitude 18.50
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.28 (0.01) 18.29 (0.02) 18.29 (0.01)
g magnitude 18.19 (0.006) 18.22 (0.02) 18.20 (0.006)
r magnitude 18.38 (0.008) 18.39 (0.02) 18.38 (0.008)
i magnitude 18.52 (0.01) 18.52 (0.02) 18.53 (0.01)
z magnitude 18.77 (0.03) 18.76 (0.03) 18.77 (0.03)
G magnitude 18.26 (0.03) 18.26 18.26 (0.003)
BP magnitude 18.27 (0.03)
RP magnitude 18.20 (0.02)
Pan g magnitude 18.22 (0.01)
Pan r magnitude 18.39 (0.007)
Pan i magnitude 18.55 (0.007)
Pan z magnitude 18.74 (0.009)
Pan y magnitude 18.85 (0.02)
E(B-V) 0.012

* 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.