SDSS J000816.26+154609.4

All names: Gaia DR2 2769538948484563840, SDSS J000816.26+154609.4, Gaia EDR3 2769538948484563840, SDSS J000816.25+154609.6, Gaia DR3 2769538948484563840

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 00 08 16.25 (0.2) 00 08 16.25 (0.3) 00 08 16.25 00 08 16.26 (0.2)
Declination 15 46 09.43 (0.2) 15 46 09.44 (0.2) 15 46 09.43 15 46 09.59 (0.2)
Spectral type DB DB DB
Effective temperature [K] 13547.0 (79) 11149.0 (532)
log(g) [cgs] 8.00 (0) 8.05 (0.08)
Mass [M☉] 0.613 (0.07)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He) -5.5 (0.6)
log(C/He)
log(Ca/He) <-8.68
log(Ca/H)
Parallax [mas] 4.60 (0.2) 4.61 (0.3) 4.60 4.60 (0.2)
Distance [pc] 217.53 (11) 217.00 (15) 253.00 217.53 217.52 (11)
Composition
Proper motion (right ascension) [mas/yr] -0.699429988 (0.2) -0.894 (0.7) -0.699 (0.2)
Proper motion (declination) [mas/yr] -9.848012742 (0.2) -10.214 (0.4) -9.848 (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 18.70 (0.02)
g magnitude 18.70 (0.008)
r magnitude 18.85 (0.01)
i magnitude 19.00 (0.01)
z magnitude 19.22 (0.06)
G magnitude 18.74 (0.02) 18.78 18.74 18.74 (0.004)
BP magnitude 18.77 (0.02) 18.72
RP magnitude 18.75 (0.03) 18.74
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.028

* 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.