All names: Gaia DR3 1029319222072358400, SDSS J084910.83+525222.6, SDSS J084910.82+525222.6, LAMOST J084910.94+525222.4, Gaia DR2 1029319222072358400, GALEX J084910.8+525222, Gaia EDR3 1029319222072358400
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 49 11.02 (0.05) | 08 49 11.02 | 08 49 10.83 (0.05) | ||
| Declination | 52 52 22.10 (0.05) | 52 52 22.10 | 52 52 22.67 (0.05) | ||
| Spectral type | DB | DB | |||
| Effective temperature | [K] | 12796.0 (150) | |||
| log(g) | [cgs] | 8.01 (0.02) | |||
| Mass | [M☉] | 0.594 (0.01) | |||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 9.83 (0.06) | 9.83 | 9.83 (0.06) | |
| Distance | [pc] | 101.69 (0.6) | 101.69 | 101.69 (0.6) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 108.495 (0.06) | 108.495 (0.06) | ||
| Proper motion (declination) | [mas/yr] | -35.349 (0.06) | -35.349 (0.06) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 16.62 (0.006) | ||||
| g magnitude | 16.60 (0.004) | ||||
| r magnitude | 16.84 (0.004) | ||||
| i magnitude | 17.02 (0.005) | ||||
| z magnitude | 17.24 (0.01) | ||||
| G magnitude | 16.70 (0.003) | 16.70 | 16.70 (0.003) | ||
| BP magnitude | 16.68 (0.005) | ||||
| RP magnitude | 16.72 (0.007) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.004 | ||||
* 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.