All names: Gaia DR3 3064244554771239680, Gaia DR2 3064244554771239680, SDSS J081523.19-062757.0, GALEX J081523.1-062757, SDSS J081523.18-062756.9, Gaia EDR3 3064244554771239680
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 15 23.19 (0.5) | 08 15 23.18 | 08 15 23.19 (0.8) | 08 15 23.19 (0.5) | 08 15 23.19 | |||
| Declination | -06 27 56.97 (0.4) | -06 27 56.99 | -06 27 56.97 (0.6) | -06 27 56.95 (0.4) | -06 27 57.00 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 15657.0 (545) | ||||||
| log(g) | [cgs] | 7.81 (0.1) | ||||||
| Mass | [M☉] | 0.52 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.01 (0.7) | 1.38 (1) | 1.01 (0.7) | ||||
| Distance | [pc] | 992.86 (648) | 723.96 (570) | 992.85 (648) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -4.065045546 (0.7) | -2.627943109 (2) | -4.065 (0.7) | ||||
| Proper motion (declination) | [mas/yr] | -1.565907781 (0.6) | -2.19438887 (1) | -1.566 (0.6) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 20.32 (0.06) | 20.25 (0.06) | 20.25 (0.06) | |||||
| g magnitude | 19.99 (0.02) | 20.01 (0.02) | 20.01 (0.02) | |||||
| r magnitude | 20.33 (0.03) | 20.27 (0.03) | 20.27 (0.03) | |||||
| i magnitude | 20.52 (0.05) | 20.51 (0.04) | 20.51 (0.04) | |||||
| z magnitude | 21.95 (0.5) | 20.97 (0.3) | ||||||
| G magnitude | 20.14 (0.05) | 20.21 | 20.14 (0.006) | |||||
| BP magnitude | 20.16 (0.05) | 20.18 | ||||||
| RP magnitude | 20.22 (0.1) | 20.35 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.051 | |||||||
* 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.