All names: TIC 454221437, Gaia DR3 3235418590863327744, UCAC4 466-009495, GALEX J051723.9+030449, 2MASS J05172390+0304489, LAMOST J051723.89+030448.9, LAMOSTJ051723.89+030448.9, Gaia DR2 3235418590863327744, WISE J051723.90+030448.8
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 05 17 23.89 | 05 17 23.89 (0.04) | ||
Declination | 03 04 48.95 | 03 04 49.04 (0.03) | ||
Spectral type | sdB | sdB/sdO | ||
Effective temperature | [K] | 29259.0 (230) | ||
log(g) | [cgs] | 5.62 (0.05) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.39 (0.07) | 0.59 (0.05) | |
Distance | [pc] | 2532.29 (471) | 1683.22 (133) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 1.307 (0.1) | 1.061 (0.04) | |
Proper motion (declination) | [mas/yr] | -7.447 (0.09) | -7.443 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.40 (0.1) | |||
V magnitude | 15.54 (0.02) | |||
R magnitude | 16.18 (0.1) | |||
I magnitude | ||||
J magnitude | 15.94 (0.1) | 15.94 (0.1) | ||
H magnitude | 15.94 (0.2) | 15.94 (0.2) | ||
K magnitude | 16.79 | |||
u magnitude | ||||
g magnitude | 15.38 (0.01) | |||
r magnitude | 15.71 (0.04) | |||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.51 (0.001) | 15.50 (0.003) | ||
BP magnitude | 15.32 (0.01) | |||
RP magnitude | 15.69 (0.005) | |||
Pan g magnitude | 15.35 (0.005) | |||
Pan r magnitude | 15.71 (0.002) | |||
Pan i magnitude | 16.04 (0.002) | |||
Pan z magnitude | 16.28 (0.003) | |||
Pan y magnitude | 16.44 (0.008) | |||
E(B-V) | 0.073 |
* 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.