HS 0158+2335

All names: SDSS J020127.21+234952.72, Gaia DR3 103999471976858496, CRTS J020127.1+234953, HS 0158+2335, SDSS J020127.21+234952.7, Gaia EDR3 103999471976858496, GALEX J020127.1+234953, WD 0158+235, Gaia DR2 103999471976858496, SDSS J020127.20+234952.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 SDSS DR10 Bedard et al. 2020 Gaia DR2 Stilism Kepler et al. 2015 Reindl et al. 2014 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 02 01 27.20 (0.06) 02 01 27.21 02 01 27.21 02 01 27.20 (0.1) 02 01 27.20 02 01 27.21 (0.06) 02 01 27.43
Declination 23 49 52.73 (0.06) 23 49 52.79 23 49 52.79 23 49 52.74 (0.09) 23 49 52.73 23 49 52.83 (0.06) 23 49 51.60
Spectral type DO DO DO DO DOZ.7 DO
Effective temperature [K] 77473.0 (2738) 70000.0 (10000) 70000.0 90876.0 (13413)
log(g) [cgs] 7.70 (0.2) 7.75 (0.2) 7.75 (0.5) 7.95 (0.08)
Mass [M] 0.58 (0.06) 0.58 (0.09) 0.58 0.688 (0.05)
log(Luminosity) [L] 1.01 (0.1)
Cooling age [Gyr] 0.0005 (0.0002)
log(H/He)
log(C/He) <0.002
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] 2.12 (0.07) 2.09 (0.1) 2.12 2.12 (0.07)
Distance [pc] 472.69 (16) 478.41 (23) 472.69 472.70 (16)
Composition He
Proper motion (right ascension) [mas/yr] -8.474732773 (0.09) -8.431631979 (0.2) -8.475 (0.09)
Proper motion (declination) [mas/yr] -5.859030118 (0.09) -5.581096012 (0.2) -5.859 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.60
V magnitude 16.83
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.25 (0.006) 16.25 (0.006) 16.26 (0.02) 16.25 (0.006)
g magnitude 16.63 (0.004) 16.63 (0.004) 16.67 (0.01) 16.63 16.63 (0.004)
r magnitude 17.13 (0.005) 17.13 (0.005) 17.13 (0.01) 17.12 (0.005)
i magnitude 17.47 (0.007) 17.47 (0.007) 17.47 (0.02) 17.48 (0.007)
z magnitude 17.78 (0.02) 17.78 (0.02) 17.77 (0.02) 17.77 (0.02)
G magnitude 16.97 (0.01) 16.99 16.97 16.97 (0.005)
BP magnitude 16.84 (0.01) 16.76
RP magnitude 17.25 (0.01) 17.23
Pan g magnitude 16.83 (0.007)
Pan r magnitude 17.22 (0.005)
Pan i magnitude 17.51 (0.008)
Pan z magnitude 17.80 (0.02)
Pan y magnitude 17.99 (0.01)
E(B-V) 0.085

* 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.