All names: SDSS J090133.57+165742.2, SDSS J090133.57+165742.23, Gaia DR3 611167150367477888, Gaia DR2 611167150367477888, Gaia EDR3 611167150367477888, GALEX J090133.6+165742, SDSS J090133.61+165742.0, LAMOST J090133.66+165742.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 01 33.56 (0.07) | 09 01 33.62 | 09 01 33.56 (0.1) | 09 01 33.56 | 09 01 33.65 (0.07) | ||||||
| Declination | 16 57 41.98 (0.06) | 16 57 42.03 | 16 57 41.98 (0.1) | 16 57 41.98 | 16 57 42.00 (0.06) | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 21451.0 (66) | 20887.0 (578) | ||||||||
| log(g) | [cgs] | 8.04 (0.01) | 7.93 (0.03) | ||||||||
| Mass | [M☉] | 0.6459999999999999 (0.005) | 0.589 (0.02) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 5.35 (0.09) | 5.56 (0.1) | 5.35 | 5.35 (0.09) | ||||||
| Distance | [pc] | 187.09 (3) | 180.01 (4) | 187.09 | 187.09 (3) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -76.83149192 (0.09) | -76.92889793 (0.2) | -76.831 (0.09) | |||||||
| Proper motion (declination) | [mas/yr] | -0.905001139 (0.07) | -0.944366806 (0.2) | -0.905 (0.07) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 16.82 (0.008) | 16.84 (0.02) | 16.82 (0.008) | ||||||||
| g magnitude | 16.79 (0.004) | 16.82 (0.02) | 16.79 (0.004) | ||||||||
| r magnitude | 17.17 (0.005) | 17.17 (0.01) | 17.17 (0.005) | ||||||||
| i magnitude | 17.46 (0.006) | 17.48 (0.02) | 17.46 (0.006) | ||||||||
| z magnitude | 17.77 (0.02) | 17.76 (0.03) | 17.77 (0.02) | ||||||||
| G magnitude | 16.99 (0.007) | 17.01 | 16.99 | 16.99 (0.003) | |||||||
| BP magnitude | 16.91 (0.007) | 16.88 | |||||||||
| RP magnitude | 17.17 (0.009) | 17.16 | |||||||||
| Pan g magnitude | 16.83 (0.003) | ||||||||||
| Pan r magnitude | 17.17 (0.005) | ||||||||||
| Pan i magnitude | 17.47 (0.007) | ||||||||||
| Pan z magnitude | 17.73 (0.005) | ||||||||||
| Pan y magnitude | 17.86 (0.02) | ||||||||||
| E(B-V) | 0.010 | ||||||||||
* 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.