JL 82

All names: uvby98 620022082, Gaia DR2 6371205304939458944, GEN# +6.20022082, TYC 9331-373-1, UCAC2 1156353, SBC9 3420, GALEX J213600.8-724827, EC 21313-7301, 2MASS J21360128-7248272, JL 82, EC21313-7301, Gaia DR3 6371205304939458944, GSC 09331-00373, UCAC4 086-064009, TIC 352480413

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 21 36 01.18 21 36 01.30 (0.02)
Declination -72 48 26.64 -72 48 27.22 (0.03)
Spectral type sdB+dM sdB
Effective temperature [K] 26500.0 (500)
log(g) [cgs] 5.22 (0.1)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.27 (0.07) 2.27 (0.04)
Distance [pc] 440.33 (14) 439.95 (7)
Composition
Proper motion (right ascension) [mas/yr] 17.408 (0.09) 17.405 (0.03)
Proper motion (declination) [mas/yr] -17.581 (0.1) -17.54 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.44 (0.1)
V magnitude 12.41 (0.2)
R magnitude 12.67 (0.06)
I magnitude
J magnitude 12.86 (0.02) 12.86 (0.02)
H magnitude 12.96 (0.03) 12.96 (0.03)
K magnitude 13.05 (0.04) 13.05 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 12.37 (0.0007) 12.34 (0.003)
BP magnitude 12.19 (0.009)
RP magnitude 12.57 (0.003)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.028

* 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.