All names: TIC 381108845, WD 0237+115, Gaia EDR3 25642122988390016, GALEX J024006.6+114828, Gaia DR2 25642122988390016, PG 0237+116, Gaia DR3 25642122988390016, 2MASS J02400663+1148280
| Parameter | Unit | Gaia EDR3 | Stilism | Dreizler et al. 1996 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 02 40 06.64 (0.5) | 02 40 06.64 (0.5) | 02 40 06.58 | |||
| Declination | 11 48 28.14 (0.4) | 11 48 28.04 (0.4) | 11 48 27.36 | |||
| Spectral type | DO | DO | DO1 | |||
| Effective temperature | [K] | 70000.0 | ||||
| log(g) | [cgs] | 8.00 | ||||
| Mass | [M☉] | 0.68 | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | <-4 | |||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 5.86 (0.6) | 5.86 (0.6) | |||
| Distance | [pc] | 170.63 (19) | 170.63 (19) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 2.39112051 (0.6) | 2.391 (0.6) | |||
| Proper motion (declination) | [mas/yr] | 5.969136535 (0.5) | 5.969 (0.5) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 15.12 | |||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | 13.79 (0.03) | |||||
| H magnitude | 13.11 (0.03) | |||||
| K magnitude | 12.89 (0.03) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 15.52 (0.003) | 15.52 (0.005) | ||||
| BP magnitude | 15.70 (0.003) | |||||
| RP magnitude | 14.90 (0.003) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.030 | |||||
* 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.