All names: Gaia DR3 4612470524270521728, TIC 674976829, EC 05269-8712, Gaia DR2 4612470524270521728, EC05269-8712
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 05 07 18.78 | 05 07 18.75 (0.05) | ||
| Declination | -87 09 21.38 | -87 09 21.82 (0.05) | ||
| 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] | 0.26 (0.07) | 0.35 (0.05) | |
| Distance | [pc] | 3775.01 (980) | 2840.10 (400) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.579 (0.1) | 3.715 (0.07) | |
| Proper motion (declination) | [mas/yr] | 4.048 (0.2) | 4.278 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.38 | |||
| V magnitude | 16.62 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.56 (0.002) | 16.53 (0.003) | ||
| BP magnitude | 16.36 (0.008) | |||
| RP magnitude | 16.70 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.086 | |||
* 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.