All names: Gaia DR2 6565865734035549056, Gaia DR3 6565865734035549056, BPSCS22951-62, TIC 144193687, GALEX J215042.6-434028, UCAC4 232-177063, 2MASS J21504277-4340284, BPS CS 22951-0062
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 21 50 42.76 | 21 50 42.77 (0.02) | ||
Declination | -43 40 28.35 | -43 40 28.48 (0.01) | ||
Spectral type | sdB | sdB | ||
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] | 0.88 (0.05) | 0.95 (0.02) | |
Distance | [pc] | 1134.43 (61) | 1056.52 (28) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 17.211 (0.06) | 17.318 (0.02) | |
Proper motion (declination) | [mas/yr] | -11.675 (0.06) | -11.83 (0.02) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 14.12 (0.01) | |||
V magnitude | 14.07 (0.01) | |||
R magnitude | 14.33 (0.07) | |||
I magnitude | ||||
J magnitude | 13.67 (0.03) | 13.67 (0.03) | ||
H magnitude | 13.41 (0.03) | 13.41 (0.03) | ||
K magnitude | 13.42 (0.04) | 13.42 (0.04) | ||
u magnitude | ||||
g magnitude | 14.03 (0.01) | |||
r magnitude | 14.15 (0.01) | |||
i magnitude | 14.25 (0.01) | |||
z magnitude | ||||
G magnitude | 14.03 (0.0005) | 14.01 (0.003) | ||
BP magnitude | 14.00 (0.008) | |||
RP magnitude | 13.92 (0.002) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | ||||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.014 |
* Constant surface field
Spectra without link are available upon request
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.