All names: Gaia DR3 677756765706220416, GALEX J081501.3+240053, Gaia DR2 677756765706220416, Gaia EDR3 677756765706220416, SDSS J081501.30+240053.1, SDSS J081501.31+240053.1
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 08 15 01.29 (0.3) | 08 15 01.31 (0.3) | |||
| Declination | 24 00 52.82 (0.2) | 24 00 53.27 (0.2) | |||
| Spectral type | DC | DC+MS | |||
| Effective temperature | [K] | ||||
| log(g) | [cgs] | ||||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 4.52 (0.4) | 4.52 (0.4) | ||
| Distance | [pc] | 221.43 (18) | 221.43 (18) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -17.914 (0.4) | -17.914 (0.4) | ||
| Proper motion (declination) | [mas/yr] | -27.872 (0.2) | -27.872 (0.2) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | WDMS | ||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 19.57 (0.03) | ||||
| g magnitude | 19.43 (0.01) | ||||
| r magnitude | 19.73 (0.02) | ||||
| i magnitude | 19.98 (0.03) | ||||
| z magnitude | 20.12 (0.1) | ||||
| G magnitude | 19.57 (0.005) | 19.57 (0.005) | |||
| BP magnitude | 19.56 (0.05) | ||||
| RP magnitude | 19.55 (0.07) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.010 | ||||
* 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.