SDSS J083822.45+561955.0

All names: SDSS J083822.45+561955.03, Gaia DR3 1034174867282580352, Gaia EDR3 1034174867282580352, GALEX J083822.4+561955, Gaia DR2 1034174871578688768, SDSS J083822.45+561955.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 08 38 22.49 (0.8) 08 38 22.45 08 38 22.49 (2) 08 38 22.45 (0.8)
Declination 56 19 54.92 (0.9) 56 19 55.04 56 19 54.91 (1) 56 19 54.94 (0.9)
Spectral type DA+M DA+M
Effective temperature [K] 16521.0 (465)
log(g) [cgs] 8.27 (0.09)
Mass [M] 0.773 (0.06)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.57 (1)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 22.13253949 (0.9) 22.133 (0.9)
Proper motion (declination) [mas/yr] -1.344172042 (0.9) -1.344 (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 20.93 (0.09) 20.90 (0.08) 20.90 (0.08)
g magnitude 20.52 (0.02) 20.52 (0.03) 20.53 (0.02)
r magnitude 20.50 (0.04) 20.49 (0.04) 20.49 (0.04)
i magnitude 19.92 (0.03) 19.93 (0.04) 19.92 (0.03)
z magnitude 19.37 (0.07) 19.36 (0.07) 19.36 (0.07)
G magnitude 20.63 (0.09) 20.54 20.63 (0.01)
BP magnitude 20.49 (0.09) 20.50
RP magnitude 19.43 (0.07) 19.57
Pan g magnitude 20.47 (0.02)
Pan r magnitude 20.45 (0.02)
Pan i magnitude 19.96 (0.01)
Pan z magnitude 19.49 (0.03)
Pan y magnitude 19.13 (0.04)
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.