All names: SDSS J062542.90+825210.4, Gaia DR2 1143697499698118016, Gaia EDR3 1143697499700065920, SDSS J062542.94+825210.1, Gaia DR3 1143697499698118016, GALEX J062542.9+825210
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 06 25 43.40 (0.2) | 06 25 43.29 | 06 25 43.06 (0.7) | 06 25 42.90 | 06 25 42.94 (0.7) | 06 25 42.90 | ||
| Declination | 82 52 11.24 (0.2) | 82 52 11.52 | 82 52 10.03 (0.7) | 82 52 10.45 | 82 52 10.65 (0.6) | 82 52 10.44 | ||
| Spectral type | DA+M | DA | DA+M | |||||
| Effective temperature | [K] | 21743.0 (1388) | ||||||
| log(g) | [cgs] | 5.06 (0.07) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.73 (0.3) | 0.83 (0.7) | 0.98 (0.7) | ||||
| Distance | [pc] | 365.95 (37) | 1207.26 (1064) | 1023.33 (759) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 14.08988433 (0.3) | 13.60683111 (1) | 14.256 (1) | ||||
| Proper motion (declination) | [mas/yr] | -40.15286122 (0.3) | -38.51584302 (1) | -40.058 (0.9) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | WDMS | ||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 20.60 (0.1) | 21.17 | 21.23 (0.2) | 21.17 (0.1) | ||||
| g magnitude | 20.15 (0.03) | 20.49 | 20.46 (0.03) | 20.49 (0.03) | ||||
| r magnitude | 19.60 (0.02) | 21.10 | 21.09 (0.07) | 21.10 (0.2) | ||||
| i magnitude | 18.57 (0.02) | 20.94 | 20.90 (0.09) | 20.94 (0.4) | ||||
| z magnitude | 17.87 (0.03) | 22.78 | 22.81 (2) | 22.78 (0.8) | ||||
| G magnitude | 19.65 (0.08) | 20.54 | 20.47 (0.008) | |||||
| BP magnitude | 20.53 (0.08) | |||||||
| RP magnitude | 18.37 (0.02) | |||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.035 | |||||||
* 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.