JL 94

All names: TIC 290401823, Gaia DR2 6358022297962587648, GALEX J220151.3-755202, UCAC4 071-039700, GEN# +6.20022094, Gaia DR3 6358022233538484480, Gaia DR2 6358022233538484480, GSC 09475-01183, EC 21570-7606, 2MASS J22015219-7552043, GALEXJ22018-7552, JL 94

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 22 01 51.37 22 01 52.22 (0.03)
Declination -75 52 02.79 -75 52 04.36 (0.03)
Spectral type He-sdO sdOHe
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.31 (0.3) 1.36 (0.03)
Distance [pc] 765.35 (172) 735.24 (18)
Composition
Proper motion (right ascension) [mas/yr] 11.989 (0.4) 12.413 (0.04)
Proper motion (declination) [mas/yr] -9.861 (0.8) -4.609 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.84 (0.03)
V magnitude 13.01 (0.01)
R magnitude 13.28 (0.06)
I magnitude
J magnitude 15.64 (0.09) 13.57 (0.04)
H magnitude 15.07 (0.09) 13.64 (0.06)
K magnitude 14.89 (0.1) 13.75 (0.06)
u magnitude
g magnitude 12.82 (0.01)
r magnitude 13.25 (0.01)
i magnitude 13.48 (0.03)
z magnitude
G magnitude 18.16 (0.004) 12.97 (0.003)
BP magnitude 18.45 (0.09)
RP magnitude 17.02 (0.02)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.040

* 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.