SDSS J113851.42+284833.0

All names: GALEX J113851.3+284834, Gaia DR3 4019142335883143424, SDSS J113851.42+284833.0, Gaia EDR3 4019142335883143424, SDSS J113851.42+284833.09, Gaia DR2 4019142335883143424

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 11 38 51.42 (0.9) 11 38 51.42 11 38 51.42 (1) 11 38 51.42 (0.9)
Declination 28 48 33.29 (1) 28 48 33.08 28 48 33.29 (2) 28 48 33.06 (1)
Spectral type DA DA
Effective temperature [K] 9391.0 (150)
log(g) [cgs] 8.90 (0.2)
Mass [M☉] 0.966 (0.1)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.95 (2)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 1.958148298 (1) 1.958 (1)
Proper motion (declination) [mas/yr] 14.28862657 (0.9) 14.289 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.97 (0.07) 21.01 (0.07) 21.01 (0.07)
g magnitude 20.58 (0.02) 20.61 (0.03) 20.61 (0.03)
r magnitude 20.49 (0.03) 20.53 (0.03) 20.53 (0.03)
i magnitude 20.52 (0.05) 20.54 (0.05) 20.54 (0.05)
z magnitude 20.70 (0.2) 20.69 (0.2) 20.69 (0.2)
G magnitude 20.48 (0.2) 20.58 20.48 (0.01)
BP magnitude 20.61 (0.2) 20.33
RP magnitude 20.48 (0.1) 20.46
Pan g magnitude 20.58 (0.02)
Pan r magnitude 20.50 (0.008)
Pan i magnitude 20.57 (0.04)
Pan z magnitude 20.71 (0.05)
Pan y magnitude 19.90 (0.2)
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.