All names: Gaia DR3 1529030863004886656, Gaia EDR3 1529030863004886656, SDSS J130547.70+423837.8, SDSS J130547.70+423837.80, Gaia DR2 1529030863004886656, GALEX J130547.7+423837
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 13 05 47.71 (0.3) | 13 05 47.70 | 13 05 47.71 (0.4) | 13 05 47.70 (0.3) | 13 05 47.70 | ||
| Declination | 42 38 37.67 (0.4) | 42 38 37.86 | 42 38 37.68 (0.5) | 42 38 37.89 (0.4) | 42 38 37.84 | ||
| Spectral type | DB | DB | |||||
| Effective temperature | [K] | 17936.0 | 17343.0 (1056) | ||||
| log(g) | [cgs] | 9.03 | 8.60 (0.4) | ||||
| Mass | [M☉] | 1.201 | 0.965 (0.2) | ||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | <-5.326 | ||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | -0.13 (0.6) | -0.78 (0.8) | ||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 7.233989136 (0.4) | 6.113834344 (0.7) | 7.234 (0.4) | |||
| Proper motion (declination) | [mas/yr] | -13.56393792 (0.5) | -11.93644379 (1) | -13.564 (0.5) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.29 (0.05) | 20.14 (0.08) | 20.14 (0.08) | ||||
| g magnitude | 20.35 (0.02) | 20.35 (0.05) | 20.35 (0.05) | ||||
| r magnitude | 20.60 (0.05) | 20.57 (0.07) | 20.57 (0.07) | ||||
| i magnitude | 20.97 (0.09) | 20.95 (0.09) | 20.95 (0.09) | ||||
| z magnitude | 21.73 (0.5) | 21.65 (0.5) | 21.65 (0.5) | ||||
| G magnitude | 20.41 (0.06) | 20.48 | 20.41 (0.005) | ||||
| BP magnitude | 20.40 (0.06) | 20.21 | |||||
| RP magnitude | 20.24 (0.09) | 20.32 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | |||||||
* 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.