All names: Gaia DR3 2360127276962361856, SGPA 25, Gaia DR2 2360127276962361856, MCT0021-2326, Ton S 155, UCAC4 335-000481, EGGR 460, HE 0021-2326, WD 0021-234, TIC 254306442, GALEX J002359.3-230953, EC 00214-2326, MCT 0021-2326, Gaia EDR3 2360127276962361856, 2MASS J00235933-2309536, UCAC2 22368989
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 23 59.35 (0.04) | 00 23 59.32 | 00 23 59.35 (0.05) | 00 23 59.34 (0.04) | 00 23 58.92 | |||
| Declination | -23 09 53.90 (0.03) | -23 09 53.89 | -23 09 53.90 (0.04) | -23 09 53.80 (0.03) | -23 09 46.44 | |||
| Spectral type | sdB+MS | sdB | DAWK | |||||
| Effective temperature | [K] | 32318.0 (0) | ||||||
| log(g) | [cgs] | 5.16 (0) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.32 (0.05) | 0.20 (0.06) | 0.20 (0.06) | 0.32 (0.05) | |||
| Distance | [pc] | 3082.67 (445) | 5112.47 (1587) | 5112.47 (1587) | 3082.61 (445) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 4.603857416 (0.05) | 4.663 (0.1) | 4.663 (0.1) | 4.604 (0.05) | |||
| Proper motion (declination) | [mas/yr] | -6.40119129 (0.03) | -6.434 (0.09) | -6.434 (0.09) | -6.401 (0.03) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 16.00 (0.07) | |||||||
| V magnitude | 15.94 (0.05) | |||||||
| R magnitude | 16.04 (0.1) | |||||||
| I magnitude | ||||||||
| J magnitude | 15.69 (0.07) | 15.69 (0.07) | ||||||
| H magnitude | 15.73 (0.2) | 15.73 (0.1) | ||||||
| K magnitude | 15.43 | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.88 (0.003) | 15.89 (0.0009) | 15.89 | 15.88 (0.003) | ||||
| BP magnitude | 15.86 (0.003) | 15.84 (0.005) | 15.84 | |||||
| RP magnitude | 15.85 (0.002) | 15.86 (0.003) | 15.86 | |||||
| Pan g magnitude | 15.86 (0.005) | 15.86 (0.005) | ||||||
| Pan r magnitude | 16.04 (0.004) | 16.04 (0.004) | ||||||
| Pan i magnitude | 16.19 (0.003) | 16.19 (0.003) | ||||||
| Pan z magnitude | 16.32 (0.007) | 16.32 (0.007) | ||||||
| Pan y magnitude | 16.36 (0.004) | 16.36 (0.004) | ||||||
| E(B-V) | 0.007 | |||||||
* 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.