All names: GALEX J002323.9-002952, Gaia EDR3 2542201695238975232, FBS 0020-008, SDSS J002323.99-002953.3, Gaia DR2 2542201695238975232, Gaia DR3 2542201695238975232, 2MASS J00232400-0029530, UCAC4 448-000506, PB 5916, SDSS J002323.99-002953.2, SDSSJ002323.99-002953.3, TIC 244164604
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 23 24.02 (0.04) | 00 23 24.00 | 00 23 23.99 | 00 23 24.02 (0.06) | 00 23 23.99 (0.04) | 00 23 23.99 | |||
| Declination | -00 29 53.14 (0.03) | -00 29 53.25 | -00 29 53.30 | -00 29 53.14 (0.05) | -00 29 53.30 (0.03) | -00 29 53.30 | |||
| Spectral type | sdB+WD | sdB+D | SDB | ||||||
| Effective temperature | [K] | 29200.0 (500) | 29302.0 (34) | ||||||
| log(g) | [cgs] | 5.69 (0.05) | 5.46 (0.01) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.58 (0.05) | 0.55 (0.09) | 0.55 (0.09) | 0.58 (0.05) | ||||
| Distance | [pc] | 1715.26 (157) | 1822.82 (283) | 1822.82 (283) | 1715.27 (157) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 27.1196591 (0.06) | 27.246 (0.2) | 27.246 (0.2) | 27.12 (0.06) | 26.8 | |||
| Proper motion (declination) | [mas/yr] | 10.30750244 (0.05) | 10.659 (0.1) | 10.659 (0.1) | 10.308 (0.05) | 11.2 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.50 (0.1) | ||||||||
| V magnitude | 15.58 (0.02) | ||||||||
| R magnitude | 15.93 (0.2) | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.12 (0.06) | 16.12 (0.06) | |||||||
| H magnitude | 16.16 (0.2) | 16.27 (0.03) | |||||||
| K magnitude | 16.89 | 16.33 (0.04) | |||||||
| u magnitude | 15.12 (0.004) | 15.13 (0.01) | 15.12 (0.004) | 15.12 (0.02) | |||||
| g magnitude | 15.27 (0.004) | 15.30 (0.02) | 15.27 (0.004) | 15.28 (0.02) | |||||
| r magnitude | 15.76 (0.005) | 15.76 (0.02) | 15.76 (0.005) | 15.76 (0.03) | |||||
| i magnitude | 16.09 (0.005) | 16.10 (0.01) | 16.09 (0.005) | 16.10 (0.02) | |||||
| z magnitude | 16.41 (0.008) | 16.42 (0.02) | 16.41 (0.008) | 16.41 (0.02) | |||||
| G magnitude | 15.54 (0.002) | 15.55 (0.0007) | 15.55 | 15.54 (0.003) | |||||
| BP magnitude | 15.40 (0.002) | 15.35 (0.006) | 15.35 | ||||||
| RP magnitude | 15.79 (0.002) | 15.79 (0.002) | 15.79 | ||||||
| Pan g magnitude | 15.36 (0.005) | 15.36 (0.005) | |||||||
| Pan r magnitude | 15.77 (0.003) | 15.77 (0.003) | |||||||
| Pan i magnitude | 16.13 (0.004) | 16.13 (0.004) | |||||||
| Pan z magnitude | 16.39 (0.005) | 16.39 (0.005) | |||||||
| Pan y magnitude | 16.58 (0.005) | 16.58 (0.005) | |||||||
| E(B-V) | 0.027 | ||||||||
* 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.