All names: Gaia DR3 618139424181751552, SDSS J092801.08+133219.3, SDSS J092801.08+133219.2, SDSS J092801.07+133219.2, Gaia DR2 618139424181751552, LAMOST J092801.10+133219.5, Gaia EDR3 618139424181751552, SDSS J092801.09+133219.3, GALEX J092801.1+133219
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 28 01.07 (0.1) | 09 28 01.09 | 09 28 01.07 (0.2) | 09 28 01.07 | 09 28 01.10 (0.1) | 09 28 01.09 | |||||
| Declination | 13 32 19.20 (0.1) | 13 32 19.30 | 13 32 19.20 (0.1) | 13 32 19.20 | 13 32 19.30 (0.1) | 13 32 19.33 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 26401.0 (1444) | 24621.0 (265) | ||||||||
| log(g) | [cgs] | 8.21 (0.07) | 8.07 (0.03) | ||||||||
| Mass | [M☉] | 0.761 (0.06) | 0.668 (0.02) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 3.50 (0.1) | 3.76 (0.2) | 3.50 | 3.50 (0.1) | ||||||
| Distance | [pc] | 285.89 (12) | 265.93 (15) | 285.89 | 285.89 (12) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -30.85569239 (0.2) | -30.42831252 (0.3) | -30.856 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -6.199372964 (0.1) | -6.506708328 (0.2) | -6.199 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.62 (0.01) | 17.62 (0.01) | 17.63 (0.01) | ||||||||
| g magnitude | 17.69 (0.005) | 17.69 (0.005) | 17.73 (0.02) | ||||||||
| r magnitude | 18.11 (0.007) | 18.11 (0.007) | 18.13 (0.02) | ||||||||
| i magnitude | 18.40 (0.01) | 18.40 (0.01) | 18.42 (0.02) | ||||||||
| z magnitude | 18.70 (0.03) | 18.70 (0.03) | 18.69 (0.03) | ||||||||
| G magnitude | 17.91 (0.01) | 17.94 | 17.91 | 17.91 (0.003) | |||||||
| BP magnitude | 17.83 (0.01) | 17.78 | |||||||||
| RP magnitude | 18.11 (0.01) | 18.11 | |||||||||
| Pan g magnitude | 17.75 (0.007) | ||||||||||
| Pan r magnitude | 18.11 (0.005) | ||||||||||
| Pan i magnitude | 18.45 (0.007) | ||||||||||
| Pan z magnitude | 18.69 (0.007) | ||||||||||
| Pan y magnitude | 18.88 (0.04) | ||||||||||
| E(B-V) | 0.023 | ||||||||||
* 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.