All names: Gaia DR3 663511703512536064, LAMOST J081604.18+191714.7, SDSS J081604.18+191714.4, GALEX J081604.1+191714, SDSS J081604.17+191714.4, Gaia EDR3 663511703512536064, Gaia DR2 663511703512536064
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 08 16 04.15 (0.09) | 08 16 04.15 | 08 16 04.20 (0.09) | |||
| Declination | 19 17 14.36 (0.06) | 19 17 14.36 | 19 17 14.55 (0.06) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 13034.0 (283) | ||||
| log(g) | [cgs] | 7.90 (0.03) | ||||
| Mass | [M☉] | 0.553 (0.02) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 6.16 (0.1) | 6.16 | 6.16 (0.1) | ||
| Distance | [pc] | 162.25 (3) | 162.25 | 162.25 (3) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -47.084 (0.1) | -47.084 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -12.103 (0.07) | -12.103 (0.07) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 17.82 (0.01) | |||||
| g magnitude | 17.39 (0.005) | |||||
| r magnitude | 17.61 (0.006) | |||||
| i magnitude | 17.82 (0.007) | |||||
| z magnitude | 18.10 (0.02) | |||||
| G magnitude | 17.50 (0.003) | 17.50 | 17.50 (0.003) | |||
| BP magnitude | 17.51 (0.01) | |||||
| RP magnitude | 17.53 (0.02) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.006 | |||||
* 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.