All names: Gaia DR2 1021946373836670848, WISEA J095400.87+555753.6, SDSS J095400.85+555753.5, WISE J095400.88+555753.6, Gaia EDR3 1021946373836670848, Gaia DR3 1021946373836670848, USNO-B1.0 1459-00204116, WD 0950+562, 2MASS J09540084+5557536, SDSS J095400.84+555753.5, SBSS 0950+562, TIC 331943031
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 54 00.87 (0.07) | 09 54 00.86 | 09 54 00.87 (0.09) | 09 54 00.85 (0.07) | 09 54 00.29 | |||
| Declination | 55 57 53.56 (0.06) | 55 57 53.52 | 55 57 53.56 (0.09) | 55 57 53.51 (0.06) | 55 57 49.68 | |||
| Spectral type | DA | DA | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.39 (0.1) | 2.43 (0.1) | 2.39 (0.1) | ||||
| Distance | [pc] | 418.81 (18) | 411.21 (23) | 418.81 (18) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 5.724508117 (0.1) | 5.548922655 (0.2) | 5.725 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | 3.113019567 (0.09) | 3.46714942 (0.2) | 3.113 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 18.20 | |||||||
| V magnitude | ||||||||
| R magnitude | 18.00 | |||||||
| I magnitude | ||||||||
| J magnitude | 15.96 (0.09) | |||||||
| H magnitude | 15.53 (0.1) | |||||||
| K magnitude | 15.11 (0.1) | |||||||
| u magnitude | 18.27 (0.01) | 18.30 (0.01) | ||||||
| g magnitude | 18.24 (0.007) | 18.26 (0.007) | ||||||
| r magnitude | 18.36 (0.008) | 18.36 (0.008) | ||||||
| i magnitude | 17.82 (0.008) | 17.83 (0.008) | ||||||
| z magnitude | 17.29 (0.01) | 17.31 (0.01) | ||||||
| G magnitude | 18.01 (0.01) | 18.02 | 18.01 (0.003) | |||||
| BP magnitude | 18.30 (0.01) | 18.28 | ||||||
| RP magnitude | 17.41 (0.008) | 17.41 | ||||||
| Pan g magnitude | 18.27 (0.006) | |||||||
| Pan r magnitude | 18.36 (0.007) | |||||||
| Pan i magnitude | 17.84 (0.003) | |||||||
| Pan z magnitude | 17.42 (0.004) | |||||||
| Pan y magnitude | 17.15 (0.009) | |||||||
| E(B-V) | 0.023 | |||||||
* 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.