EC 22332-6837

All names: UCAC4 109-124417, Gaia DR2 6385665467688866304, 2MASS J22364955-6822203, EC22332-6837, Gaia DR3 6385665467688866304, TIC 325175734, EC 22332-6837, GALEX J223649.4-682220

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 22 36 49.56 22 36 49.62 (0.03)
Declination -68 22 19.56 -68 22 20.24 (0.04)
Spectral type He-sdO sdO7.5VIIHe37
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] 0.28 (0.06) 0.32 (0.04)
Distance [pc] 3551.14 (743) 3139.72 (419)
Composition
Proper motion (right ascension) [mas/yr] 11.232 (0.1) 11.236 (0.04)
Proper motion (declination) [mas/yr] -5.219 (0.1) -5.05 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.86 (0.04)
V magnitude 15.96 (0.03)
R magnitude
I magnitude
J magnitude 16.57 (0.1) 16.57 (0.1)
H magnitude 16.47 (0.2) 16.47 (0.2)
K magnitude 16.78
u magnitude
g magnitude 15.91 (0.01)
r magnitude 16.41 (0.01)
i magnitude
z magnitude
G magnitude 16.07 (0.002) 16.04 (0.003)
BP magnitude 15.83 (0.01)
RP magnitude 16.35 (0.004)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.019

* 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.