SDSS J091829.99+212429.1

All names: GALEX J091830.0+212429, SDSS J091829.99+212429.1, Gaia EDR3 638435176175135232, SDSS J091829.98+212429.0, Gaia DR2 638435176175135232, Gaia DR3 638435176175135232

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 18 29.99 (0.6) 09 18 29.99 09 18 29.99 (0.6) 09 18 29.99
Declination 21 24 28.78 (0.5) 21 24 29.06 21 24 29.28 (0.5) 21 24 29.10
Spectral type DA DA DA
Effective temperature [K] 13625.0 (648)
log(g) [cgs] 7.86 (0.1)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.61 (0.5) 1.61 (0.5)
Distance [pc] 620.17 (190) 620.16 (190)
Composition
Proper motion (right ascension) [mas/yr] 5.109500494 (0.6) 5.11 (0.6)
Proper motion (declination) [mas/yr] -30.76034398 (0.5) -30.76 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.06 (0.04) 20.04 (0.05) 20.04 (0.05)
g magnitude 19.58 (0.01) 19.60 (0.02)
r magnitude 19.82 (0.02) 19.83 (0.03) 19.83 (0.03)
i magnitude 20.08 (0.03) 20.09 (0.03) 20.09 (0.03)
z magnitude 20.43 (0.1) 20.45 (0.1) 20.45 (0.1)
G magnitude 19.73 (0.04) 19.73 (0.004)
BP magnitude 19.78 (0.04)
RP magnitude 19.66 (0.07)
Pan g magnitude 19.66 (0.02)
Pan r magnitude 19.83 (0.01)
Pan i magnitude 19.99 (0.04)
Pan z magnitude 20.31 (0.05)
Pan y magnitude
E(B-V) 0.036

* 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.