All names: Gaia DR2 4726624673324078976, EC02565-5950, GALEX J025747.7-593851, UCAC4 152-002677, TIC 207142885, 2MASS J02574790-5938513, Gaia DR3 4726624673324078976, Gaia EDR3 4726624673324078976, EC 02565-5950
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 02 57 47.89 (0.03) | 02 57 47.93 | 02 57 47.89 (0.03) | ||
| Declination | -59 38 51.45 (0.03) | -59 38 51.36 | -59 38 51.52 (0.03) | ||
| Spectral type | sdOB | sdOB | |||
| 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] | 0.51 (0.03) | 0.47 (0.04) | 0.51 (0.03) | |
| Distance | [pc] | 1970.06 (125) | 2130.38 (180) | 1970.06 (125) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 0.461 (0.04) | 0.459 (0.07) | 0.461 (0.04) | |
| Proper motion (declination) | [mas/yr] | 4.586 (0.05) | 4.548 (0.07) | 4.586 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.11 (0.03) | ||||
| V magnitude | 15.31 (0.05) | ||||
| R magnitude | 15.67 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 16.11 (0.09) | 16.11 (0.09) | |||
| H magnitude | 16.07 (0.2) | 16.07 (0.2) | |||
| K magnitude | 15.97 | ||||
| u magnitude | |||||
| g magnitude | 15.10 (0.02) | ||||
| r magnitude | 15.61 (0.03) | ||||
| i magnitude | 15.82 (0.09) | ||||
| z magnitude | |||||
| G magnitude | 15.33 (0.003) | 15.34 (0.0006) | 15.33 (0.003) | ||
| BP magnitude | 15.16 (0.004) | 15.10 (0.006) | |||
| RP magnitude | 15.65 (0.004) | 15.64 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.017 | ||||
* 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.