All names: Gaia DR3 4640895541252246272, [DI91] 1377, TIC 471015276, Gaia DR2 4640895541252246272, EC02551-7326, GALEX J025510.2-731414, EC 02551-7326, TIC 650208301
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 55 10.31 | 02 55 10.34 (0.04) | ||
| Declination | -73 14 14.24 | -73 14 14.46 (0.04) | ||
| 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] | 0.00 (0.06) | 0.00 (0.06) | |
| Distance | [pc] | 2500000.00 (388125000) | 2500000.00 (388125000) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.796 (0.1) | 1.786 (0.05) | |
| Proper motion (declination) | [mas/yr] | -0.821 (0.1) | -0.834 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.28 | |||
| V magnitude | 16.55 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.48 (0.002) | 16.45 (0.003) | ||
| BP magnitude | 16.32 (0.01) | |||
| RP magnitude | 16.68 (0.006) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.035 | |||
* 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.