All names: USNO-B1.0 0880-00779664, Gaia DR2 2649520038767527680, Gaia EDR3 2649520038767527680, WD 2246-022, SDSS J224917.25-015801.5, GALEX J224917.2-015801, Gaia DR3 2649520038767527680
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 22 49 17.25 (0.4) | 22 49 17.26 (0.4) | 22 49 16.54 | |||
| Declination | -01 58 01.62 (0.4) | -01 58 01.60 (0.4) | -01 58 00.84 | |||
| Spectral type | DA | DA | ||||
| 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] | 0.83 (0.5) | 0.83 (0.5) | |||
| Distance | [pc] | 1209.81 (664) | 1209.77 (664) | |||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -9.628361044 (0.7) | -9.628 (0.7) | |||
| Proper motion (declination) | [mas/yr] | -1.249535925 (0.4) | -1.25 (0.4) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 19.50 | |||||
| V magnitude | ||||||
| R magnitude | 19.60 | |||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 19.49 (0.03) | |||||
| g magnitude | 19.45 (0.01) | |||||
| r magnitude | 19.70 (0.02) | |||||
| i magnitude | 19.92 (0.03) | |||||
| z magnitude | 19.99 (0.1) | |||||
| G magnitude | 19.57 (0.08) | 19.57 (0.006) | ||||
| BP magnitude | 19.46 (0.08) | |||||
| RP magnitude | 19.56 (0.09) | |||||
| Pan g magnitude | 19.44 (0.008) | |||||
| Pan r magnitude | 19.69 (0.01) | |||||
| Pan i magnitude | 19.97 (0.02) | |||||
| Pan z magnitude | 20.24 (0.02) | |||||
| Pan y magnitude | 19.66 (0.3) | |||||
| 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.