All names: GALEX J010732.9+303119, LAMOST J010732.96+303119.1, SDSS J010732.96+303119.1, Gaia EDR3 313030204514489088, Gaia DR3 313030204514489088, Gaia DR2 313030204514489088
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 07 33.00 (0.08) | 01 07 33.00 | 01 07 32.93 (0.08) | ||
| Declination | 30 31 19.26 (0.07) | 30 31 19.26 | 30 31 19.14 (0.07) | ||
| Spectral type | DB | DB | |||
| Effective temperature | [K] | 32378.0 (1778) | |||
| log(g) | [cgs] | 7.80 (0.05) | |||
| Mass | [M☉] | 0.52 (0.04) | |||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 3.01 (0.09) | 3.01 | 3.01 (0.09) | |
| Distance | [pc] | 332.56 (10) | 332.56 | 332.56 (10) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 58.136 (0.1) | 58.136 (0.1) | ||
| Proper motion (declination) | [mas/yr] | 7.374 (0.09) | 7.374 (0.09) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 17.03 (0.01) | ||||
| g magnitude | 17.26 (0.005) | ||||
| r magnitude | 17.68 (0.006) | ||||
| i magnitude | 17.96 (0.009) | ||||
| z magnitude | 18.27 (0.03) | ||||
| G magnitude | 17.46 (0.003) | 17.46 | 17.46 (0.003) | ||
| BP magnitude | 17.36 (0.009) | ||||
| RP magnitude | 17.67 (0.01) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.042 | ||||
* 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.