All names: Gaia DR2 4643946965193162624, WISE J025121.49-723433.0, EC 02512-7246, FAUST 483, Gaia EDR3 4643946965193162624, Gaia DR3 4643946965193162624, GALEX J025121.3-723432, GALEXJ02513-7234, TIC 426017248, UCAC4 088-006577, LB 3289, [DI91] 1344, 2MASS J02512154-7234333
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 51 21.56 (0.03) | 02 51 21.33 | 02 51 21.54 (0.03) | ||
| Declination | -72 34 33.38 (0.03) | -72 34 32.97 | -72 34 33.43 (0.03) | ||
| Spectral type | He-sdO | sdBN0.2VIIHe29 | |||
| 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] | 0.88 (0.03) | 0.80 (0.04) | 0.88 (0.03) | |
| Distance | [pc] | 1137.14 (36) | 1255.02 (64) | 1137.14 (36) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.11 (0.04) | 5.035 (0.1) | 5.11 (0.04) | |
| Proper motion (declination) | [mas/yr] | 2.721 (0.03) | 2.677 (0.07) | 2.721 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.39 (0.04) | ||||
| V magnitude | 14.66 (0.03) | ||||
| R magnitude | 14.76 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.36 (0.06) | 15.36 (0.06) | |||
| H magnitude | 15.51 (0.1) | 15.51 (0.1) | |||
| K magnitude | 15.78 | ||||
| u magnitude | |||||
| g magnitude | 14.42 (0.03) | ||||
| r magnitude | 14.90 (0.07) | ||||
| i magnitude | 15.18 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 14.62 (0.003) | 14.63 (0.0006) | 14.62 (0.003) | ||
| BP magnitude | 14.46 (0.003) | 14.40 (0.007) | |||
| RP magnitude | 14.92 (0.004) | 14.91 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.032 | ||||
* 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.