All names: Gaia DR3 1567936570854743040, SDSS J125029.51+505317.3, Gaia DR2 1567936570854290432, SDSSJ125029.51+505317.3, SDSS J125029.51+505317.4, SDSS J125029.50+505317.3, Gaia EDR3 1567936570854743040, WD 1248+511.1, GALEX J125029.5+505317
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Geier 2020 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 50 29.51 (0.1) | 12 50 29.51 | 12 50 29.51 | 12 50 29.51 (0.2) | 12 50 29.51 (0.1) | 12 50 29.51 | 12 50 29.11 | 12 50 29.51 | |||||
| Declination | 50 53 17.28 (0.1) | 50 53 17.34 | 50 53 17.30 | 50 53 17.28 (0.2) | 50 53 17.35 (0.1) | 50 53 17.38 | 50 53 11.04 | 50 53 17.37 | |||||
| Spectral type | DAO | sdO | DAO | DAO | DAO | DAO | DAOH: | ||||||
| Effective temperature | [K] | 72330.0 (8957) | 86658.0 (9000) | 71660.0 (13240) | 82895.0 (5999) | 78140.0 (5452) | |||||||
| log(g) | [cgs] | 6.68 (0.2) | 6.38 (0.2) | 7.08 (0.4) | 6.94 (0.2) | 6.94 (0.2) | |||||||
| Mass | [M☉] | 0.35 (0.06) | 0.46 (0.1) | ||||||||||
| log(Luminosity) | [L☉] | 1.70 (0.3) | |||||||||||
| Cooling age | [Gyr] | 0.0001 | 0.0106 | ||||||||||
| log(H/He) | |||||||||||||
| log(C/He) | |||||||||||||
| log(Ca/He) | |||||||||||||
| log(Ca/H) | |||||||||||||
| log(C/H) | |||||||||||||
| log(N/H) | |||||||||||||
| log(O/H) | |||||||||||||
| log(Na/H) | |||||||||||||
| log(Mg/H) | |||||||||||||
| log(Al/H) | |||||||||||||
| log(Si/H) | |||||||||||||
| log(P/H) | |||||||||||||
| log(S/H) | |||||||||||||
| log(Sc/H) | |||||||||||||
| log(Ti/H) | |||||||||||||
| log(Cr/H) | |||||||||||||
| log(Mn/H) | |||||||||||||
| log(Fe/H) | |||||||||||||
| log(Ni/H) | |||||||||||||
| Parallax | [mas] | 0.35 (0.2) | 0.23 (0.2) | 0.23 (0.2) | 0.35 (0.2) | ||||||||
| Distance | [pc] | 2846.77 (1426) | 4288.16 (4535) | 4287.66 (4533) | 2846.57 (1426) | ||||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.635520309 (0.2) | 1.035 (0.3) | 1.034810232 (0.3) | 0.636 (0.2) | 6.5 | |||||||
| Proper motion (declination) | [mas/yr] | -4.126745742 (0.2) | -4.247 (0.3) | -4.247200755 (0.3) | -4.127 (0.2) | -10.7 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 17.95 (0.01) | 17.95 (0.01) | 17.95 (0.01) | 17.91 (0.03) | 17.90 | 17.94 (0.03) | |||||||
| g magnitude | 18.43 (0.007) | 18.43 (0.007) | 18.43 (0.007) | 18.45 (0.02) | 18.44 | 18.46 (0.02) | |||||||
| r magnitude | 18.98 (0.01) | 18.98 (0.01) | 18.98 (0.01) | 18.97 (0.02) | 18.96 | 18.99 (0.02) | |||||||
| i magnitude | 19.35 (0.02) | 19.36 (0.02) | 19.36 (0.02) | 19.33 (0.02) | 19.32 | 19.35 (0.02) | |||||||
| z magnitude | 19.60 (0.07) | 19.60 (0.07) | 19.58 (0.06) | 19.55 (0.06) | 19.54 | 19.58 (0.06) | |||||||
| G magnitude | 18.70 (0.01) | 18.74 (0.004) | 18.74 | 18.70 (0.003) | |||||||||
| BP magnitude | 18.51 (0.01) | 18.41 (0.03) | 18.41 | ||||||||||
| RP magnitude | 19.02 (0.04) | 18.98 (0.05) | 18.98 | ||||||||||
| Pan g magnitude | 18.50 (0.009) | 18.50 (0.009) | |||||||||||
| Pan r magnitude | 18.97 (0.01) | 18.98 (0.01) | |||||||||||
| Pan i magnitude | 19.37 (0.007) | 19.37 (0.007) | |||||||||||
| Pan z magnitude | 19.63 (0.02) | 19.63 (0.02) | |||||||||||
| Pan y magnitude | 19.82 (0.06) | 19.82 (0.06) | |||||||||||
| E(B-V) | 0.018 | ||||||||||||
* 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.