All names: Gaia DR3 2536325557206313728, USNO-B1.0 0900-00011663, SDSS J010251.87+000435.8, SDSS J010251.89+000435.8, PHL 3274, Gaia EDR3 2536325557206313728, SDSSJ010251.88+000435.8, SDSS J010251.89+000435.80, SDSS J010251.88+000435.8, ULAS J010251.89+000435.8, 2SLAQ J010251.88+000435.8, GALEX J010251.8+000435, SDSS J010251.89+000435.7, Gaia DR2 2536325557206313728
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Eisenstein et al. 2006 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 01 02 51.88 (0.2) | 01 02 51.88 | 01 02 51.88 | 01 02 51.88 | 01 02 51.88 (0.2) | 01 02 51.88 (0.2) | 01 02 51.88 | ||||
Declination | 00 04 35.81 (0.1) | 00 04 35.82 | 00 04 35.82 | 00 04 35.80 | 00 04 35.81 (0.1) | 00 04 35.85 (0.1) | 00 04 35.82 | ||||
Spectral type | sdO | F0/DA: | sdB | SDB+M | |||||||
Effective temperature | [K] | 36772.0 (2000) | 6529.0 (36) | 28849.0 (528) | |||||||
log(g) | [cgs] | 4.82 (0.2) | 5.81 (0.1) | 5.00 (0.006) | |||||||
Mass | [M☉] | 0.0409999999999999 (0.01) | |||||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | ||||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
Parallax | [mas] | -0.12 (0.2) | 0.14 (0.3) | 0.14 (0.3) | 0.14 (0.3) | ||||||
Distance | [pc] | 7168.46 (14769) | 7168.46 (14769) | 7168.46 (14769) | |||||||
Composition | |||||||||||
Proper motion (right ascension) | [mas/yr] | -0.683833525 (0.2) | -0.604 (0.6) | -0.604 (0.6) | -0.684 (0.2) | 8.6 | |||||
Proper motion (declination) | [mas/yr] | -2.463380154 (0.2) | -2.472 (0.3) | -2.472 (0.3) | -2.463 (0.2) | -4.2 | |||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | WDMS | ||||||||||
B magnitude | 18.00 | ||||||||||
V magnitude | |||||||||||
R magnitude | 18.90 | ||||||||||
I magnitude | |||||||||||
J magnitude | 16.85 (0.2) | 18.02 (0.05) | |||||||||
H magnitude | 17.03 | ||||||||||
K magnitude | 16.29 | ||||||||||
u magnitude | 18.37 (0.02) | 18.37 (0.02) | 18.38 (0.01) | 18.35 (0.03) | 18.38 (0.01) | 18.44 (0.03) | |||||
g magnitude | 18.31 (0.007) | 18.31 (0.007) | 18.31 (0.007) | 18.30 (0.02) | 18.34 (0.007) | 18.39 (0.04) | |||||
r magnitude | 18.53 (0.009) | 18.53 (0.009) | 18.53 (0.009) | 18.54 (0.02) | 18.53 (0.009) | 18.59 (0.02) | |||||
i magnitude | 18.69 (0.01) | 18.69 (0.01) | 18.69 (0.01) | 18.67 (0.03) | 18.69 (0.01) | 18.63 (0.03) | |||||
z magnitude | 18.93 (0.04) | 18.93 (0.04) | 18.93 (0.04) | 18.92 (0.09) | 18.93 (0.04) | 18.72 (0.07) | |||||
G magnitude | 18.38 (0.02) | 18.43 (0.003) | 18.43 | 18.38 (0.003) | |||||||
BP magnitude | 18.40 (0.02) | 18.39 (0.02) | 18.39 | ||||||||
RP magnitude | 18.15 (0.03) | 18.15 (0.04) | 18.15 | ||||||||
Pan g magnitude | 18.39 (0.006) | 18.39 (0.006) | |||||||||
Pan r magnitude | 18.53 (0.005) | 18.53 (0.005) | |||||||||
Pan i magnitude | 18.61 (0.01) | 18.61 (0.01) | |||||||||
Pan z magnitude | 18.53 (0.1) | 18.53 (0.1) | |||||||||
Pan y magnitude | 18.83 (0.03) | 18.83 (0.03) | |||||||||
E(B-V) | 0.025 |
* 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.