All names: TIC 280051980, UCAC4 082-004799, Gaia DR3 4640827650705169792, Gaia DR2 4640827650705169792, EC 03025-7349, 2MASS J03022379-7337587, GALEX J030223.6-733758, EC03025-7349
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 03 02 23.69 | 03 02 23.80 (0.03) | ||
| Declination | -73 37 57.72 | -73 37 58.45 (0.03) | ||
| Spectral type | sdB | sdB/B? | ||
| 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] | 0.01 (0.04) | 0.01 (0.04) | |
| Distance | [pc] | 97087.38 (396833) | 97087.38 (396833) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.822 (0.08) | 0.758 (0.04) | |
| Proper motion (declination) | [mas/yr] | -1.025 (0.08) | -0.987 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.41 | |||
| V magnitude | 15.48 | |||
| R magnitude | 16.07 (0.2) | |||
| I magnitude | ||||
| J magnitude | 16.06 (0.1) | 16.06 (0.1) | ||
| H magnitude | 16.27 (0.2) | 16.27 (0.2) | ||
| K magnitude | 16.83 | |||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 15.68 (0.001) | 15.66 (0.003) | ||
| BP magnitude | 15.56 (0.006) | |||
| RP magnitude | 15.81 (0.003) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.039 | |||
* 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.