SDSS J013742.08+280818.7

All names: SDSS J013742.08+280818.77, Gaia DR3 302040310916459904, Gaia EDR3 302040310916459904, SDSS J013742.08+280818.7, Gaia DR2 302040310916459904

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 01 37 42.08 (0.3) 01 37 42.08 01 37 42.08 (0.4) 01 37 42.08 (0.3)
Declination 28 08 18.71 (0.3) 28 08 18.76 28 08 18.71 (0.4) 28 08 18.74 (0.3)
Spectral type sdA sdA
Effective temperature [K] 7338.0 (66)
log(g) [cgs] 5.61 (0.2)
Mass [M☉] 0.15047 (0.0004)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.02 (0.4) -0.29 (0.5)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 2.727103689 (0.4) 2.370715047 (0.9) 2.727 (0.4)
Proper motion (declination) [mas/yr] -2.189789489 (0.3) -1.973178809 (0.8) -2.19 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 22.68 (0.6) 22.44 (0.5) 22.44 (0.5)
g magnitude 19.92 (0.02) 19.93 (0.03) 19.93 (0.03)
r magnitude 19.64 (0.02) 19.68 (0.03) 19.68 (0.03)
i magnitude 19.55 (0.03) 19.59 (0.04) 19.59 (0.04)
z magnitude 19.47 (0.08) 19.46 (0.1) 19.46 (0.1)
G magnitude 19.59 (0.06) 19.61 19.59 (0.005)
BP magnitude 19.84 (0.06) 19.92
RP magnitude 19.25 (0.08) 19.01
Pan g magnitude 19.79 (0.01)
Pan r magnitude 19.62 (0.02)
Pan i magnitude 19.52 (0.01)
Pan z magnitude 19.55 (0.01)
Pan y magnitude 19.39 (0.07)
E(B-V)

* 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.