All names: SDSS J102700.99+493246.1, Gaia DR2 835224560428245632, GALEX J102700.9+493246, Gaia EDR3 835224560428245632, SDSS J102700.98+493246.1, Gaia DR3 835224560428245632
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 10 27 00.99 (0.1) | 10 27 00.99 | 10 27 00.99 (0.1) | |||
| Declination | 49 32 45.97 (0.1) | 49 32 45.97 | 49 32 46.18 (0.1) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 15684.0 (905) | ||||
| log(g) | [cgs] | 8.21 (0.07) | ||||
| Mass | [M☉] | 0.743 (0.06) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.42 (0.2) | 3.42 | 3.42 (0.2) | ||
| Distance | [pc] | 292.38 (15) | 292.38 | 292.38 (15) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 1.905 (0.2) | 1.905 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -13.54 (0.2) | -13.54 (0.2) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 19.15 (0.02) | |||||
| g magnitude | 18.80 (0.008) | |||||
| r magnitude | 19.03 (0.01) | |||||
| i magnitude | 19.27 (0.02) | |||||
| z magnitude | 19.58 (0.06) | |||||
| G magnitude | 18.91 (0.003) | 18.91 | 18.91 (0.003) | |||
| BP magnitude | 18.88 (0.02) | |||||
| RP magnitude | 19.06 (0.04) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.017 | |||||
* 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.