All names: GALEX J105551.5+082846, Gaia EDR3 3865978987449159168, WD 1053+087, Gaia DR2 3865978987449159168, HS 1053+0844, SDSS J105551.49+082846.1, Gaia DR3 3865978987449159168, USNO-B1.0 0984-00218705, SDSS J105551.48+082846.20, SDSS J105551.47+082846.2, SDSS J105551.48+082846.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 55 51.46 (0.07) | 10 55 51.49 | 10 55 51.49 | 10 55 51.46 (0.1) | 10 55 51.46 | 10 55 51.51 (0.07) | 10 55 51.60 | ||||||
| Declination | 08 28 46.01 (0.06) | 08 28 46.27 | 08 28 46.27 | 08 28 46.02 (0.1) | 08 28 46.01 | 08 28 46.27 (0.06) | 08 28 40.44 | ||||||
| Spectral type | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 16634.0 (64) | 16556.0 (49) | 14994.0 (398) | |||||||||
| log(g) | [cgs] | 8.13 (0.01) | 7.81 (0.01) | 7.97 (0.03) | |||||||||
| Mass | [M☉] | 0.6859999999999999 (0.006) | 0.597 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | ||||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| Parallax | [mas] | 7.21 (0.08) | 7.15 (0.2) | 7.21 | 7.21 (0.08) | ||||||||
| Distance | [pc] | 138.75 (2) | 139.83 (3) | 138.75 | 138.75 (2) | ||||||||
| Composition | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -40.3930458 (0.08) | -40.55709229 (0.2) | -40.393 (0.08) | |||||||||
| Proper motion (declination) | [mas/yr] | -16.10859015 (0.06) | -15.94863423 (0.3) | -16.109 (0.06) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 16.50 | 17.10 | |||||||||||
| V magnitude | |||||||||||||
| R magnitude | 16.60 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 17.32 (0.02) | ||||||||||||
| H magnitude | 17.43 (0.06) | ||||||||||||
| K magnitude | 17.45 (0.09) | ||||||||||||
| u magnitude | 17.10 (0.008) | 17.10 (0.008) | 17.11 (0.02) | 17.09 (0.008) | |||||||||
| g magnitude | 16.83 (0.004) | 16.83 (0.004) | 16.89 (0.02) | 16.83 (0.004) | |||||||||
| r magnitude | 17.13 (0.005) | 17.13 (0.005) | 17.16 (0.01) | 17.14 (0.005) | |||||||||
| i magnitude | 17.38 (0.006) | 17.38 (0.006) | 17.40 (0.02) | 17.38 (0.006) | |||||||||
| z magnitude | 17.66 (0.02) | 17.66 (0.02) | 17.67 (0.02) | 17.66 (0.02) | |||||||||
| G magnitude | 16.97 (0.005) | 17.00 | 16.97 | 16.97 (0.003) | |||||||||
| BP magnitude | 16.94 (0.005) | 16.92 | |||||||||||
| RP magnitude | 17.09 (0.009) | 17.08 | |||||||||||
| Pan g magnitude | 16.85 (0.003) | ||||||||||||
| Pan r magnitude | 17.12 (0.002) | ||||||||||||
| Pan i magnitude | 17.40 (0.003) | ||||||||||||
| Pan z magnitude | 17.63 (0.006) | ||||||||||||
| Pan y magnitude | 17.80 (0.01) | ||||||||||||
| 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.