SDSS J013909.15+230845.0

All names: Gaia DR2 290781208772449408, Gaia DR3 290781208772449408, SDSS J013909.15+230845.0, GALEX J013909.1+230844, Gaia EDR3 290781208772449408

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Simbad Kleinman et al. 2013
Right ascension 01 39 09.14 (7) 01 39 09.14 01 39 09.14 (2) 01 39 09.14 (7) 01 39 09.15
Declination 23 08 44.89 (6) 23 08 44.94 23 08 44.89 (5) 23 08 44.89 (6) 23 08 45.00
Spectral type DAH DAH
Effective temperature [K] 19303.0 (850)
log(g) [cgs] 8.12 (0.2)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr]
Proper motion (declination) [mas/yr]
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.03 (0.08) 21.03 (0.08) 21.03 (0.08)
g magnitude 20.70 (0.03) 20.69 (0.03) 20.69 (0.03)
r magnitude 20.85 (0.04) 20.84 (0.04) 20.84 (0.04)
i magnitude 20.92 (0.05) 21.10 (0.06) 21.10 (0.06)
z magnitude 20.74 (0.2) 21.26 (0.2) 21.26 (0.2)
G magnitude 20.75 (0.3) 20.88 20.75 (0.01)
BP magnitude 20.36 (0.3) 20.59
RP magnitude 20.32 (0.2) 20.94
Pan g magnitude 20.65 (0.04)
Pan r magnitude 20.86 (0.04)
Pan i magnitude 20.98 (0.04)
Pan z magnitude 21.05 (0.1)
Pan y magnitude
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.