All names: Gaia DR3 3063607731380726272, SDSS J080913.04-075310.3, SDSS J080913.04-075310.2, SDSS J080913.05-075310.3, Gaia EDR3 3063607731380726272, GALEX J080913.0-075310, SDSS J080913.05-075310.2, Gaia DR2 3063607731380726272
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 09 13.04 (0.1) | 08 09 13.05 | 08 09 13.04 (0.1) | 08 09 13.04 | 08 09 13.06 (0.1) | 08 09 13.05 | |||||
| Declination | -07 53 10.45 (0.09) | -07 53 10.27 | -07 53 10.44 (0.1) | -07 53 10.45 | -07 53 10.16 (0.09) | -07 53 10.28 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 52082.0 (1089) | 454709.0 (101100) | 54723.0 (832) | |||||||
| log(g) | [cgs] | 7.41 (0.08) | 8.82 (0.09) | 7.53 (0.05) | |||||||
| Mass | [M☉] | 0.46 (0.03) | 1.831 (0.06) | 0.524 (0.02) | |||||||
| log(Luminosity) | [L☉] | 0.52 (0.06) | |||||||||
| Cooling age | [Gyr] | 0.0001 (0.0001) | |||||||||
| 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] | 1.44 (0.1) | 1.56 (0.2) | 1.44 | 1.44 (0.1) | ||||||
| Distance | [pc] | 696.83 (66) | 642.60 (72) | 696.83 | 696.82 (66) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.87469926 (0.2) | -15.75068156 (0.3) | -15.875 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -18.12609853 (0.1) | -18.88909664 (0.2) | -18.126 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 16.98 (0.008) | 16.98 (0.008) | 16.96 (0.02) | ||||||||
| g magnitude | 17.43 (0.005) | 17.43 (0.005) | 17.46 (0.01) | ||||||||
| r magnitude | 17.90 (0.006) | 17.90 (0.006) | 17.89 (0.01) | ||||||||
| i magnitude | 18.35 (0.01) | 18.35 (0.01) | 18.36 (0.03) | ||||||||
| z magnitude | 18.60 (0.03) | 18.60 (0.03) | 18.58 (0.03) | ||||||||
| G magnitude | 17.65 (0.008) | 17.68 | 17.65 | 17.65 (0.003) | |||||||
| BP magnitude | 17.48 (0.008) | 17.41 | |||||||||
| RP magnitude | 17.95 (0.02) | 17.94 | |||||||||
| Pan g magnitude | 17.46 (0.005) | ||||||||||
| Pan r magnitude | 17.91 (0.005) | ||||||||||
| Pan i magnitude | 18.29 (0.006) | ||||||||||
| Pan z magnitude | 18.58 (0.01) | ||||||||||
| Pan y magnitude | 18.76 (0.02) | ||||||||||
| E(B-V) | 0.053 | ||||||||||
* 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.