All names: 2RXF J000817.7+512315, KPD 0005+5106, GALEX J000818.2+512315, USNO-A2.0 1350-00155255, Gaia DR3 395429431270137728, [TFW97] J000818.14+512316.74, WISE J000818.20+512316.7, 1SWASP J000818.17+512316.7, WD 0005+511, Gaia DR2 395429431270137728, 2MASS J00081816+5123165, UCAC4 707-001264, 1RXS J000818.4+512319, UCAC2 48175230, Gaia EDR3 395429431270137728, TIC 201740925, WISEA J000818.20+512316.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 00 08 18.22 (0.02) | 00 08 18.22 (0.03) | 00 08 18.17 (0.02) | 00 08 17.30 | |||
| Declination | 51 23 16.59 (0.02) | 51 23 16.59 (0.03) | 51 23 16.60 (0.02) | 51 22 53.40 | |||
| Spectral type | DOZ1 | DO | |||||
| 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] | 2.41 (0.04) | 2.58 (0.05) | 2.41 (0.04) | |||
| Distance | [pc] | 415.13 (6) | 387.05 (7) | 415.13 (6) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 30.04298131 (0.03) | 29.83299662 (0.06) | 30.043 (0.03) | |||
| Proper motion (declination) | [mas/yr] | -0.727170778 (0.03) | -0.484828263 (0.05) | -0.727 (0.03) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 13.04 (0.01) | ||||||
| V magnitude | 13.32 (0.01) | ||||||
| R magnitude | 13.53 (0.08) | ||||||
| I magnitude | |||||||
| J magnitude | 13.95 (0.03) | ||||||
| H magnitude | 14.13 (0.04) | ||||||
| K magnitude | 14.19 (0.06) | ||||||
| u magnitude | |||||||
| g magnitude | 13.10 (0.01) | ||||||
| r magnitude | 13.51 (0.01) | ||||||
| i magnitude | 13.95 (0.01) | ||||||
| z magnitude | |||||||
| G magnitude | 13.27 (0.001) | 13.29 | 13.27 (0.003) | ||||
| BP magnitude | 13.10 (0.001) | 13.04 | |||||
| RP magnitude | 13.58 (0.0005) | 13.58 | |||||
| Pan g magnitude | 13.17 | ||||||
| Pan r magnitude | 13.55 (0.004) | ||||||
| Pan i magnitude | 13.94 (0.005) | ||||||
| Pan z magnitude | 14.21 (0.002) | ||||||
| Pan y magnitude | 14.40 (0.002) | ||||||
| E(B-V) | 0.080 | ||||||
* 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.