SDSS J015628.98+032210.3

All names: SDSS J015628.98+032210.38, Gaia DR2 2512623041448593024, Gaia DR3 2512623041448593024, SDSS J015628.97+032210.3, GALEX J015628.9+032212, SDSS J015628.98+032210.3, Gaia EDR3 2512623041448593024, SDSS J015628.97+032210.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 01 56 28.97 (0.6) 01 56 28.98 01 56 28.97 (0.7) 01 56 28.98 (0.6)
Declination 03 22 10.39 (0.5) 03 22 10.38 03 22 10.40 (0.6) 03 22 10.55 (0.5)
Spectral type DA DA DA DA
Effective temperature [K] 9013.0 9538.0 (74)
log(g) [cgs] 7.05 8.23 (0.09)
Mass [M] 0.222 0.73 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.3213
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 2.70 (0.6) 1.69 (0.8) 2.70 (0.6)
Distance [pc] 369.96 (85) 593.23 (270) 369.96 (85)
Composition H
Proper motion (right ascension) [mas/yr] -7.213493022 (0.7) -7.740206431 (2) -7.213 (0.7)
Proper motion (declination) [mas/yr] -10.11544237 (0.6) -12.21113734 (1) -10.115 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.58 (0.06) 20.58 (0.06) 20.59 (0.06)
g magnitude 20.13 (0.02) 20.14 (0.03) 20.13 (0.02)
r magnitude 20.12 (0.02) 20.12 (0.03) 20.12 (0.02)
i magnitude 20.30 (0.03) 20.30 (0.03) 20.30 (0.03)
z magnitude 20.05 (0.09) 20.05 (0.09) 20.05 (0.09)
G magnitude 20.17 (0.09) 20.18 20.17 (0.007)
BP magnitude 20.29 (0.09) 20.30
RP magnitude 19.89 (0.1) 19.90
Pan g magnitude 20.10 (0.02)
Pan r magnitude 20.11 (0.02)
Pan i magnitude 20.24 (0.01)
Pan z magnitude 20.38 (0.02)
Pan y magnitude 20.37 (0.2)
E(B-V) 0.034

* 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.