All names: HE 0123-3330, BPS CS 29504-0011, GD 1453, GALEX J012522.2-331508, UCAC4 284-001423, 2MASS J01252228-3315096, Gaia DR3 5015999121387949312, MCT0123-3330, MCT 0123-3330, Gaia DR2 5015999121387949312, TIC 140494440, Gaia EDR3 5015999121387949312
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 01 25 22.30 (0.03) | 01 25 22.24 | 01 25 22.29 (0.03) | ||
| Declination | -33 15 09.68 (0.03) | -33 15 09.42 | -33 15 09.67 (0.03) | ||
| Spectral type | sdB | sdBHe1 | |||
| Effective temperature | [K] | 36602.0 (500) | |||
| log(g) | [cgs] | 5.87 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.66 (0.05) | 0.70 (0.07) | 0.66 (0.05) | |
| Distance | [pc] | 1508.98 (105) | 1425.11 (135) | 1508.98 (105) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 13.918 (0.04) | 14.01 (0.08) | 13.918 (0.04) | |
| Proper motion (declination) | [mas/yr] | -0.586 (0.03) | -0.552 (0.06) | -0.586 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.43 (0) | ||||
| V magnitude | 15.64 (0.03) | ||||
| R magnitude | 15.58 | ||||
| I magnitude | |||||
| J magnitude | 16.11 (0.09) | 16.11 (0.09) | |||
| H magnitude | 16.82 | ||||
| K magnitude | 15.59 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.68 (0.003) | 15.70 (0.001) | 15.68 (0.003) | ||
| BP magnitude | 15.53 (0.003) | 15.45 (0.006) | |||
| RP magnitude | 15.99 (0.005) | 15.98 (0.002) | |||
| Pan g magnitude | 15.50 | ||||
| Pan r magnitude | 16.01 | ||||
| Pan i magnitude | 16.31 (0.002) | ||||
| Pan z magnitude | 16.69 | ||||
| Pan y magnitude | 16.93 | ||||
| E(B-V) | 0.008 | ||||
* 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.