All names: Gaia DR3 2388126100045184640, EC 23268-2300, UCAC4 337-204958, EC23268-2300, 2MASS J23292736-2244168, GALEX J232927.3-224415, GD 1580, Gaia DR2 2388126100045184640, Ton S 100, TIC 9178478, DENIS J232927.3-224417, Gaia EDR3 2388126130109548544, USNO-B1.0 0672-01073819, PHL 543
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Simbad |
|---|---|---|---|---|
| Right ascension | 23 29 22.23 (0.5) | 23 29 27.37 | 23 29 27.35 (0.06) | |
| Declination | -22 44 24.95 (0.6) | -22 44 16.26 | -22 44 16.87 (0.05) | |
| Spectral type | sdB | sdB | ||
| 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] | 2.19 (0.7) | -0.00 (0.1) | 0.40 (0.07) |
| Distance | [pc] | 456.48 (148) | 2495.63 (442) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 18.093 (0.7) | 11.617 (0.1) | 11.724 (0.06) |
| Proper motion (declination) | [mas/yr] | -11.737 (0.8) | -13.3 (0.1) | -13.783 (0.06) |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.50 | |||
| V magnitude | 16.50 | |||
| R magnitude | 16.10 | |||
| I magnitude | 16.31 (0.09) | |||
| J magnitude | 16.62 (0.1) | 16.62 (0.1) | ||
| H magnitude | 16.28 | |||
| K magnitude | 16.18 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.12 (0.008) | 16.00 (0.001) | 15.99 (0.003) | |
| BP magnitude | 20.41 (0.2) | 15.82 (0.01) | ||
| RP magnitude | 19.45 (0.07) | 16.21 (0.005) | ||
| Pan g magnitude | 15.83 (0.002) | |||
| Pan r magnitude | 16.23 (0.003) | |||
| Pan i magnitude | 16.53 (0.005) | |||
| Pan z magnitude | 16.80 (0.002) | |||
| Pan y magnitude | 16.91 (0.01) | |||
| E(B-V) | ||||
* 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.