All names: Gaia DR3 656843990122846848, Gaia EDR3 656843990122846848, SDSS J080823.63+171253.7, 2MASS J08082361+1712544, TIC 69369154, Gaia DR2 656843990122846848, GALEX J080823.6+171253
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Sayres et al. 2012 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 08 08 23.67 (0.3) | 08 08 23.67 (0.4) | 08 08 23.62 | 08 08 23.62 (0.3) | ||
| Declination | 17 12 52.49 (0.2) | 17 12 52.55 (0.3) | 17 12 54.20 | 17 12 54.30 (0.2) | ||
| Spectral type | sd | sdB | ||||
| Effective temperature | [K] | |||||
| log(g) | [cgs] | |||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 1.83 (0.4) | 0.53 (0.5) | 1.83 (0.4) | ||
| Distance | [pc] | 546.85 (119) | 1870.56 (1914) | 546.87 (119) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 43.51447114 (0.4) | 40.472 (0.9) | 43.514 (0.4) | ||
| Proper motion (declination) | [mas/yr] | -113.0008146 (0.3) | -112.302 (0.6) | -113.001 (0.3) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 12.78 (0.02) | 12.78 (0.02) | ||||
| H magnitude | 12.39 (0.02) | 12.39 (0.02) | ||||
| K magnitude | 12.28 (0.02) | 12.28 (0.02) | ||||
| u magnitude | 15.76 (0.005) | 15.71 (0.005) | ||||
| g magnitude | 14.87 (0.003) | 14.60 (0.004) | ||||
| r magnitude | (0.003) | 14.05 (0.004) | ||||
| i magnitude | 14.49 (0.004) | 14.62 (0.008) | ||||
| z magnitude | 14.48 (0.004) | 13.72 (0.005) | ||||
| G magnitude | 14.14 (0.001) | 14.09 | 14.14 (0.004) | |||
| BP magnitude | 14.46 (0.001) | 14.48 | ||||
| RP magnitude | 13.49 (0.0007) | 13.50 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.028 | |||||
* 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.