BPS CS 22885-0043

All names: 2MASS J20181537-3834002, BPS CS 22885-0043, EC 20149-3843, TIC 290237162, Gaia DR3 6693254326596860288, GALEX J201815.3-383359, Gaia DR2 6693254326596860288, EC20149-3843, Gaia EDR3 6693254326596860288

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 18 15.37 (0.05) 20 18 15.30 20 18 15.37 (0.05)
Declination -38 33 59.82 (0.04) -38 33 59.26 -38 33 59.79 (0.04)
Spectral type He-sdO+F sdBHe
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] 0.44 (0.06) 0.33 (0.09) 0.44 (0.06)
Distance [pc] 2288.85 (300) 3021.15 (779) 2288.85 (300)
Composition
Proper motion (right ascension) [mas/yr] -0.303 (0.06) -0.412 (0.1) -0.303 (0.06)
Proper motion (declination) [mas/yr] -2.105 (0.04) -2.019 (0.08) -2.105 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 15.70
R magnitude
I magnitude
J magnitude 16.39 (0.1) 16.39 (0.1)
H magnitude 16.37
K magnitude 17.07
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.78 (0.003) 15.80 (0.001) 15.78 (0.003)
BP magnitude 15.64 (0.004) 15.53 (0.01)
RP magnitude 16.07 (0.007) 16.06 (0.004)
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.