All names: LAMOST J224503.61+322151.1, HS2242+3206, TIC 100675596, HS 2242+3206, Gaia EDR3 1890677009230168704, Gaia DR3 1890677009230168704, 2MASS J22450359+3221512, Gaia DR2 1890677009230168704, GALEX J224503.5+322150
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 22 45 03.62 (0.02) | 22 45 03.51 | 22 45 03.59 (0.02) | ||
Declination | 32 21 51.15 (0.02) | 32 21 51.32 | 32 21 51.17 (0.02) | ||
Spectral type | sdB | sdB | |||
Effective temperature | [K] | 29300.0 (700) | |||
log(g) | [cgs] | 5.65 (0.1) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 1.43 (0.03) | 1.43 (0.05) | 1.43 (0.03) | |
Distance | [pc] | 698.23 (14) | 697.45 (24) | 698.23 (14) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 24.082 (0.03) | 24.115 (0.07) | 24.082 (0.03) | |
Proper motion (declination) | [mas/yr] | -1.268 (0.03) | -1.181 (0.08) | -1.268 (0.03) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | 13.85 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 14.46 (0.03) | 14.46 (0.03) | |||
H magnitude | 14.62 (0.06) | 14.62 (0.06) | |||
K magnitude | 14.69 (0.09) | 14.69 (0.09) | |||
u magnitude | 13.69 (0.003) | ||||
g magnitude | 13.80 (0.003) | ||||
r magnitude | 14.18 (0.003) | ||||
i magnitude | 14.47 (0.003) | ||||
z magnitude | 14.77 (0.004) | ||||
G magnitude | 13.98 (0.003) | 14.00 (0.0004) | 13.98 (0.003) | ||
BP magnitude | 13.87 (0.003) | 13.84 (0.005) | |||
RP magnitude | 14.17 (0.004) | 14.17 (0.001) | |||
Pan g magnitude | 13.85 (0.006) | ||||
Pan r magnitude | 14.20 (0.0007) | ||||
Pan i magnitude | 14.52 (0.001) | ||||
Pan z magnitude | 14.75 (0.002) | ||||
Pan y magnitude | 14.90 (0.001) | ||||
E(B-V) | 0.069 |
* 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.