All names: Gaia DR2 3690709034320559104, GALEX J130804.1+001141, Gaia DR3 3690709034320559104, Gaia EDR3 3690709034320559104, 2QZ J130804.1+001141, SDSS J130804.08+001141.3, SDSS J130804.08+001141.4
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 08 04.05 (0.6) | 13 08 04.09 | 13 08 04.05 (0.8) | 13 08 04.08 (0.6) | 13 08 04.08 | |||
| Declination | 00 11 41.44 (0.5) | 00 11 41.40 | 00 11 41.44 (0.6) | 00 11 41.44 (0.5) | 00 11 41.37 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 25806.0 (647) | ||||||
| log(g) | [cgs] | 7.75 (0.1) | ||||||
| Mass | [M☉] | 0.521 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.88 (0.7) | 1.46 (0.9) | 0.88 (0.7) | ||||
| Distance | [pc] | 1138.42 (954) | 685.05 (439) | 1138.43 (955) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -27.69717159 (0.8) | -27.52260831 (1) | -27.697 (0.8) | ||||
| Proper motion (declination) | [mas/yr] | -0.158413082 (0.9) | -0.23994923 (1) | -0.158 (0.9) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 19.92 | |||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 19.75 (0.03) | 19.81 (0.03) | 19.81 (0.03) | |||||
| g magnitude | 19.86 (0.01) | 19.88 (0.01) | 19.91 (0.02) | |||||
| r magnitude | 20.24 (0.03) | 20.25 (0.03) | 20.29 (0.03) | |||||
| i magnitude | 20.57 (0.05) | 20.57 (0.05) | 20.63 (0.05) | |||||
| z magnitude | 21.68 (0.4) | 21.59 (0.4) | 21.59 (0.4) | |||||
| G magnitude | 20.13 (0.07) | 20.19 | 20.13 (0.008) | |||||
| BP magnitude | 19.98 (0.07) | 19.89 | ||||||
| RP magnitude | 20.47 (0.1) | 20.43 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.022 | |||||||
* 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.