All names: SDSS J080003.87+503545.0, GALEX J080003.8+503545, Gaia DR3 935685872706872320, SDSS J080003.87+503544.8, 2MASS J08000388+5035454, Gaia DR2 935685872706872320, LAMOST J080003.86+503545.2, Gaia EDR3 935685872706872320, SDSS J080003.87+503544.84, TIC 252968406
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 00 03.88 (0.08) | 08 00 03.88 | 08 00 03.88 (0.1) | 08 00 03.88 (0.08) | ||||
| Declination | 50 35 44.67 (0.07) | 50 35 45.02 | 50 35 44.68 (0.08) | 50 35 45.16 (0.07) | ||||
| Spectral type | DA+M3 | DA+dM | ||||||
| Effective temperature | [K] | 22550.0 (346) | ||||||
| log(g) | [cgs] | 8.08 (0.05) | ||||||
| Mass | [M☉] | 0.669 (0.03) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 3.07 (0.1) | 3.24 (0.1) | 3.07 (0.1) | ||||
| Distance | [pc] | 325.29 (10) | 308.95 (13) | 325.29 (10) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -1.916265319 (0.1) | -1.308479735 (0.2) | -1.916 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -30.45931654 (0.08) | -30.31440405 (0.2) | -30.459 (0.08) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.39 (0.06) | |||||||
| H magnitude | 14.87 (0.08) | |||||||
| K magnitude | 14.57 (0.09) | |||||||
| u magnitude | 18.27 (0.01) | 18.26 (0.03) | 18.27 (0.01) | |||||
| g magnitude | 18.05 (0.006) | 18.07 (0.02) | 18.05 (0.006) | |||||
| r magnitude | 17.91 (0.007) | 17.90 (0.02) | 17.91 (0.007) | |||||
| i magnitude | 17.21 (0.006) | 17.22 (0.02) | 17.21 (0.006) | |||||
| z magnitude | 16.68 (0.009) | 16.68 (0.02) | 16.68 (0.009) | |||||
| G magnitude | 17.54 (0.01) | 17.55 | 17.54 (0.003) | |||||
| BP magnitude | 18.05 (0.01) | 18.02 | ||||||
| RP magnitude | 16.76 (0.008) | 16.79 | ||||||
| Pan g magnitude | 18.03 (0.006) | |||||||
| Pan r magnitude | 17.89 (0.006) | |||||||
| Pan i magnitude | 17.20 (0.003) | |||||||
| Pan z magnitude | 16.75 (0.004) | |||||||
| Pan y magnitude | 16.54 (0.004) | |||||||
| E(B-V) | 0.030 | |||||||
* 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.