All names: LAMOST J005821.83+553750.9, WISE J005821.83+553750.8, TIC 445380420, UCAC4 729-008956, LAMOSTJ005821.83+553750.9, 2MASS J00582183+5537509, Gaia DR2 423505288886486272, Gaia DR3 423505288886486272
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 00 58 21.84 | 00 58 21.84 (0.009) | ||
Declination | 55 37 50.91 | 55 37 50.85 (0.01) | ||
Spectral type | sdB | sdB/sdO | ||
Effective temperature | [K] | 20988.0 (10) | ||
log(g) | [cgs] | 4.94 (0) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 1.07 (0.04) | 1.10 (0.02) | |
Distance | [pc] | 933.27 (36) | 908.27 (18) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -0.724 (0.04) | -0.692 (0.01) | |
Proper motion (declination) | [mas/yr] | -0.059 (0.04) | -0.11 (0.02) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | 13.43 (0.09) | |||
I magnitude | ||||
J magnitude | 13.28 (0.03) | 13.28 (0.03) | ||
H magnitude | 13.32 (0.04) | 13.32 (0.04) | ||
K magnitude | 13.32 (0.03) | 13.32 (0.03) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 13.20 (0.0003) | 13.18 (0.003) | ||
BP magnitude | 13.14 (0.002) | |||
RP magnitude | 13.21 (0.0007) | |||
Pan g magnitude | 13.39 | |||
Pan r magnitude | 13.60 (0.003) | |||
Pan i magnitude | 13.55 (0.001) | |||
Pan z magnitude | 13.73 (0.002) | |||
Pan y magnitude | 13.81 (0.003) | |||
E(B-V) | 0.208 |
* 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.