All names: TIC 17656164, FB 112, FBS 1248+374, CBS 358, [B68b] 450, Gaia DR3 1517524890432603520, Gaia EDR3 1517524890432603520, UCAC4 636-048686, FBS B 94, SDSS J125101.48+371049.72, 2MASS J12510150+3710497, SDSS J125101.48+371049.7, HZ32, HZ 32, PG 1248+374, PG 1248+375, LAMOST J125101.50+371049.6, AB 21, Gaia DR2 1517524890432603520, LAMOST J125101.48+371049.7
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 12 51 01.48 (0.02) | 12 51 01.48 | 12 51 01.57 | 12 51 01.48 (0.04) | 12 51 01.49 (0.02) | ||||
Declination | 37 10 49.64 (0.02) | 37 10 49.74 | 37 10 51.99 | 37 10 49.64 (0.03) | 37 10 49.75 (0.02) | ||||
Spectral type | sdB+K2 | sdO | sdO+F4V | ||||||
Effective temperature | [K] | 33682.0 (172) | |||||||
log(g) | [cgs] | 5.07 (0.04) | |||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.39 (0.03) | 0.48 (0.05) | 0.48 (0.05) | 0.39 (0.03) | ||||
Distance | [pc] | 2576.34 (221) | 2092.93 (203) | 2092.98 (203) | 2576.66 (220) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -6.091366716 (0.02) | -6.126 (0.08) | -6.125835214 (0.08) | -6.091 (0.03) | ||||
Proper motion (declination) | [mas/yr] | -6.633465314 (0.02) | -6.76 (0.05) | -6.759632475 (0.05) | -6.633 (0.02) | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | 15.73 (0.03) | ||||||||
V magnitude | 15.60 (0.01) | ||||||||
R magnitude | 15.87 (0.1) | ||||||||
I magnitude | |||||||||
J magnitude | 15.12 (0.04) | 15.12 (0.04) | |||||||
H magnitude | 14.81 (0.06) | 14.81 (0.06) | |||||||
K magnitude | 14.85 (0.09) | 14.85 (0.09) | |||||||
u magnitude | 15.60 (0.005) | 15.60 (0.005) | 15.57 (0.02) | 15.60 (0.005) | |||||
g magnitude | 15.52 (0.003) | 15.53 (0.003) | 15.56 (0.02) | 15.68 (0.01) | |||||
r magnitude | 15.62 (0.004) | 15.62 (0.004) | 15.62 (0.01) | 15.80 (0.01) | |||||
i magnitude | 15.69 (0.004) | 15.69 (0.004) | 15.70 (0.01) | 15.84 (0.01) | |||||
z magnitude | 15.78 (0.006) | 15.79 (0.006) | 15.80 (0.02) | 15.79 (0.006) | |||||
G magnitude | 15.53 (0.002) | 15.55 (0.0008) | 15.55 | 15.53 (0.003) | |||||
BP magnitude | 15.58 (0.002) | 15.55 (0.005) | 15.55 | ||||||
RP magnitude | 15.38 (0.002) | 15.38 (0.003) | 15.38 | ||||||
Pan g magnitude | 15.59 (0.003) | 15.59 (0.003) | |||||||
Pan r magnitude | 15.65 (0.003) | 15.65 (0.003) | |||||||
Pan i magnitude | 15.72 (0.002) | 15.72 (0.002) | |||||||
Pan z magnitude | 15.79 (0.005) | 15.79 (0.005) | |||||||
Pan y magnitude | 15.84 (0.003) | 15.84 (0.003) | |||||||
E(B-V) | 0.015 |
* 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.