All names: LAMOSTJ002545.50+313529.4, 2MASS J00254550+3135293, SDSS J002545.50+313529.4, UCAC4 608-001289, Gaia DR3 2862287843823854848, LAMOST J002545.50+313529.4, Gaia DR2 2862287843823854848, WISE J002545.49+313529.4
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 00 25 45.51 | 00 25 45.51 (0.04) | ||
Declination | 31 35 29.50 | 31 35 29.59 (0.03) | ||
Spectral type | sdB | sdB | ||
Effective temperature | [K] | 26406.0 (228) | ||
log(g) | [cgs] | 5.42 (0.03) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.64 (0.07) | 0.49 (0.04) | |
Distance | [pc] | 1560.06 (181) | 2031.28 (184) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 0.254 (0.1) | 0.424 (0.05) | |
Proper motion (declination) | [mas/yr] | -10.181 (0.09) | -10.134 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.38 (0.01) | |||
V magnitude | 15.52 (0.03) | |||
R magnitude | 15.95 (0.2) | |||
I magnitude | ||||
J magnitude | 15.89 (0.07) | 15.89 (0.07) | ||
H magnitude | 16.11 | |||
K magnitude | 15.87 | |||
u magnitude | 15.27 (0.004) | |||
g magnitude | 15.27 (0.003) | 15.34 (0.02) | ||
r magnitude | 15.69 (0.003) | 15.70 (0.1) | ||
i magnitude | 15.98 (0.004) | 15.52 (0.01) | ||
z magnitude | 16.25 (0.007) | |||
G magnitude | 15.52 (0.0006) | 15.51 (0.003) | ||
BP magnitude | 15.38 (0.005) | |||
RP magnitude | 15.69 (0.002) | |||
Pan g magnitude | 15.36 (0.003) | |||
Pan r magnitude | 15.71 (0.004) | |||
Pan i magnitude | 16.01 (0.003) | |||
Pan z magnitude | 16.27 (0.007) | |||
Pan y magnitude | 16.41 (0.008) | |||
E(B-V) | 0.054 |
* 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.