All names: 2MASS J22444328-3219432, Gaia DR2 6603807092875065728, EUVE J2244-32.3, 2RE J2244-321, 1RXS J224444.9-321934, 2EUVE J2244-32.3, TIC 91513352, EC 22419-3235, RE J224444-321857, RE J2244-321, WD 2241-325, Gaia EDR3 6603807092875065728, Gaia DR3 6603807092875065728, RE J2244-32, EUVE J2244-32.2, PHL 396, Ton S 72, 2RE J224442-321858, GALEX J224443.2-321943, USNO-B1.0 0576-01216204
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester et al. 2009 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 44 43.36 (0.04) | 22 44 43.35 (0.06) | 22 44 43.36 | 22 44 43.28 (0.04) | 22 44 42.72 | |||
| Declination | -32 19 43.90 (0.04) | -32 19 43.89 (0.05) | -32 19 43.90 | -32 19 43.77 (0.04) | -32 19 43.32 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 32316.0 (32) | 32996.0 (933) | |||||
| log(g) | [cgs] | 7.95 (0.007) | 8.09 (0.03) | |||||
| Mass | [M☉] | 0.704 (0.02) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 6.64 (0.06) | 6.55 (0.07) | 6.64 | 6.64 (0.06) | |||
| Distance | [pc] | 150.55 (1) | 152.77 (2) | 150.55 | 150.55 (1) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 62.11115382 (0.05) | 62.276 (0.1) | 62.111 (0.05) | ||||
| Proper motion (declination) | [mas/yr] | -8.011916081 (0.04) | -8.032 (0.1) | -8.012 (0.04) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.97 | 16.10 | ||||||
| V magnitude | 16.60 | 16.00 | ||||||
| R magnitude | 15.70 | |||||||
| I magnitude | ||||||||
| J magnitude | 16.46 (0.1) | |||||||
| H magnitude | 16.53 (0.3) | |||||||
| K magnitude | ||||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.78 (0.003) | 15.81 | 15.78 | 15.78 (0.003) | ||||
| BP magnitude | 15.65 (0.003) | 15.58 | ||||||
| RP magnitude | 16.08 (0.005) | 16.08 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.004 | |||||||
* 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.