All names: 2MASS J07312139+5957369, Gaia DR2 1085903148454238208, HS 0727+6003, ATO J112.8392+59.9602, LAMOST J073121.38+595737.5, GALEX J073121.4+595737, LAMOST J073121.40+595736.9, TIC 85146644, CRTS J073121.3+595737, Gaia EDR3 1085903148454238208, WD 0727+600, Gaia DR3 1085903148454238208
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 07 31 21.42 (0.04) | 07 31 21.42 (0.07) | 07 31 21.42 | 07 31 21.39 (0.04) | 07 31 20.86 | ||
| Declination | 59 57 36.90 (0.04) | 59 57 36.91 (0.06) | 59 57 36.90 | 59 57 37.01 (0.04) | 59 57 33.84 | ||
| Spectral type | DO | DO | DO.6 | ||||
| Effective temperature | [K] | 119575.0 (49609) | |||||
| log(g) | [cgs] | 7.92 (0.6) | |||||
| Mass | [M☉] | 0.725 (0.3) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 2.36 (0.06) | 2.31 (0.09) | 2.36 | 2.36 (0.06) | ||
| Distance | [pc] | 424.50 (11) | 432.32 (17) | 424.50 | 424.50 (11) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 13.23098907 (0.05) | 13.11272603 (0.1) | 13.231 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -6.595191718 (0.05) | -6.643001689 (0.1) | -6.595 (0.05) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 15.80 | ||||||
| V magnitude | 16.15 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.88 (0.1) | ||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 16.09 (0.007) | 16.13 | 16.09 | 16.09 (0.004) | |||
| BP magnitude | 15.92 (0.007) | 15.85 | |||||
| RP magnitude | 16.46 (0.009) | 16.46 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.052 | ||||||
* 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.