All names: GALEX J123259.6-280018, EC12303-2743, Gaia DR3 3472215668493007360, Gaia DR2 3472215668493007360, 2MASS J12325957-2800187, TIC 389304178, Gaia EDR3 3472215668493007360, EC 12303-2743
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 12 32 59.56 (0.04) | 12 32 59.62 | 12 32 59.57 (0.04) | ||
| Declination | -28 00 18.82 (0.02) | -28 00 18.70 | -28 00 18.71 (0.02) | ||
| 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] | 0.62 (0.05) | 0.61 (0.07) | 0.62 (0.05) | |
| Distance | [pc] | 1600.26 (132) | 1649.89 (186) | 1600.26 (132) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -11.253 (0.05) | -11.524 (0.1) | -11.253 (0.05) | |
| Proper motion (declination) | [mas/yr] | -6.645 (0.04) | -6.432 (0.07) | -6.645 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.90 | ||||
| V magnitude | 15.18 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.82 (0.08) | 15.82 (0.08) | |||
| H magnitude | 15.99 (0.2) | 15.99 (0.2) | |||
| K magnitude | 15.58 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.10 (0.003) | 15.12 (0.0005) | 15.10 (0.003) | ||
| BP magnitude | 14.96 (0.003) | 14.91 (0.008) | |||
| RP magnitude | 15.39 (0.005) | 15.39 (0.002) | |||
| Pan g magnitude | 14.98 (0.001) | ||||
| Pan r magnitude | 15.36 (0.002) | ||||
| Pan i magnitude | 15.72 (0.003) | ||||
| Pan z magnitude | 15.99 (0.002) | ||||
| Pan y magnitude | 16.16 (0.006) | ||||
| E(B-V) | 0.050 | ||||
* 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.