All names: Gaia DR3 851309384753644800, SDSS J100942.85+522543.1, GALEX J100942.8+522542, SDSS J100942.85+522542.8, Gaia EDR3 851309384753644800, SDSS J100942.85+522543.19, Gaia DR2 851309384753644800
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 09 42.84 (0.4) | 10 09 42.86 | 10 09 42.84 (0.7) | 10 09 42.86 (0.4) | ||||
| Declination | 52 25 42.43 (0.5) | 52 25 42.88 | 52 25 42.45 (0.8) | 52 25 42.84 (0.5) | ||||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 10691.0 (168) | ||||||
| log(g) | [cgs] | 7.33 (0.2) | ||||||
| Mass | [M☉] | 0.292 (0.04) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.64 (0.7) | 2.00 (0.9) | 1.64 (0.7) | ||||
| Distance | [pc] | 609.24 (254) | 499.43 (216) | 609.24 (254) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -16.59595189 (0.7) | -17.46716819 (2) | -16.596 (0.7) | ||||
| Proper motion (declination) | [mas/yr] | -25.72303407 (0.8) | -28.52798196 (2) | -25.723 (0.8) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.01 (0.09) | 21.01 (0.09) | 21.01 (0.09) | |||||
| g magnitude | 20.60 (0.03) | 20.61 (0.04) | 20.60 (0.03) | |||||
| r magnitude | 20.71 (0.04) | 20.71 (0.04) | 20.71 (0.04) | |||||
| i magnitude | 20.78 (0.06) | 20.80 (0.06) | 20.80 (0.06) | |||||
| z magnitude | 22.16 (0.6) | 22.13 (0.6) | ||||||
| G magnitude | 20.60 (0.09) | 20.67 | 20.60 (0.008) | |||||
| BP magnitude | 20.64 (0.09) | 20.60 | ||||||
| RP magnitude | 20.55 (0.1) | 20.69 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.021 | |||||||
* 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.