All names: GALEX J003112.9-271252, Gaia DR2 2322368604555410176, Gaia EDR3 2322368604555410176, Ton S 161, WD 0028-274, UCAC4 314-000600, GD 617, GSC 06417-00032, EC 00287-2729, TIC 246881248, BPS CS 29497-0026, 2MASS J00311294-2712542, uvby98 610060617, UCAC2 20533061, Gaia DR3 2322368604555410176, WD 0028-27, EGGR 510, MCT0028-2729, MCT 0028-2729, 1SWASP J003112.96-271253.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 31 12.94 (0.02) | 00 31 12.94 | 00 31 12.94 (0.04) | 00 31 12.95 (0.02) | 00 31 12.26 | |||
| Declination | -27 12 54.33 (0.02) | -27 12 54.18 | -27 12 54.33 (0.03) | -27 12 54.18 (0.02) | -27 13 02.28 | |||
| Spectral type | sdB | sdBHe0+F/G | DAB5? | |||||
| 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] | 0.38 (0.03) | 0.43 (0.05) | 0.43 (0.05) | 0.38 (0.03) | |||
| Distance | [pc] | 2598.17 (212) | 2298.85 (277) | 2298.85 (277) | 2598.08 (211) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -7.120525624 (0.03) | -7.084 (0.07) | -7.084 (0.07) | -7.121 (0.03) | |||
| Proper motion (declination) | [mas/yr] | -9.355073072 (0.03) | -9.163 (0.06) | -9.163 (0.06) | -9.355 (0.03) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.21 (0.02) | |||||||
| V magnitude | 15.13 (0.03) | |||||||
| R magnitude | 15.44 | |||||||
| I magnitude | ||||||||
| J magnitude | 14.68 (0.03) | 14.68 (0.03) | ||||||
| H magnitude | 14.52 (0.05) | 14.52 (0.05) | ||||||
| K magnitude | 14.39 (0.07) | 14.39 (0.07) | ||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.06 (0.002) | 15.08 (0.0005) | 15.08 | 15.06 (0.003) | ||||
| BP magnitude | 15.10 (0.002) | 15.07 (0.005) | 15.07 | |||||
| RP magnitude | 14.94 (0.001) | 14.94 (0.002) | 14.94 | |||||
| Pan g magnitude | 15.10 (0.003) | 15.10 (0.003) | ||||||
| Pan r magnitude | 15.20 (0.002) | 15.20 (0.002) | ||||||
| Pan i magnitude | 15.28 (0.003) | 15.28 (0.003) | ||||||
| Pan z magnitude | 15.36 (0.007) | 15.36 (0.007) | ||||||
| Pan y magnitude | 15.41 (0.002) | 15.41 (0.002) | ||||||
| E(B-V) | 0.006 | |||||||
* 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.