HE 2222-3738

All names: Gaia EDR3 6594952661312285824, KK 345-30, HE2222-3738, EC 22220-3738, GALEX J222456.4-372328, TIC 278803981, HE 2222-3738, 2MASS J22245648-3723303, Gaia DR2 6594952661312285824, Gaia DR3 6594952661312285824, uvby98 620168030

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 22 24 56.50 (0.03) 22 24 56.43 22 24 56.48 (0.03)
Declination -37 23 30.33 (0.02) -37 23 30.19 -37 23 30.36 (0.02)
Spectral type sdB sdB
Effective temperature [K] 30248.0 (500)
log(g) [cgs] 5.69 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.92 (0.04) 0.83 (0.06) 0.92 (0.04)
Distance [pc] 1081.67 (50) 1204.38 (85) 1081.67 (50)
Composition
Proper motion (right ascension) [mas/yr] 8.721 (0.05) 8.896 (0.09) 8.721 (0.05)
Proper motion (declination) [mas/yr] 1.796 (0.03) 1.786 (0.08) 1.796 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 14.89
R magnitude
I magnitude
J magnitude 15.55 (0.06) 15.55 (0.06)
H magnitude 15.39 (0.1) 15.39 (0.1)
K magnitude 15.64 (0.2) 15.64 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.86 (0.003) 14.88 (0.0009) 14.85 (0.003)
BP magnitude 14.71 (0.003) 14.68 (0.005)
RP magnitude 15.13 (0.004) 15.14 (0.003)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.011

* 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.