All names: Gaia DR3 2974314025563737344, TIC 146323153, Gaia DR2 2974314025563191168, GALAH 151231002601136, Gaia DR1 2974314021266372992, 2MASS J04554700-2034168, GALEXJ04557-2034, GALEX J045547.2-203417, TYC 5907-647-1
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 55 47.21 | 04 55 47.00 (0.02) | ||
| Declination | -20 34 17.66 | -20 34 16.90 (0.02) | ||
| Spectral type | sdB+MS | 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] | 1.17 (0.03) | 1.22 (0.03) | |
| Distance | [pc] | 851.93 (21) | 817.26 (17) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 6.467 (0.04) | 6.597 (0.02) | |
| Proper motion (declination) | [mas/yr] | -3.134 (0.05) | -3.304 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.25 (0.1) | |||
| V magnitude | 12.32 (0.2) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 11.77 (0.02) | 11.77 (0.02) | ||
| H magnitude | 11.68 (0.02) | 11.68 (0.02) | ||
| K magnitude | 11.62 (0.03) | 11.62 (0.03) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.15 (0.0003) | 12.14 (0.003) | ||
| BP magnitude | 12.20 (0.003) | |||
| RP magnitude | 11.98 (0.001) | |||
| Pan g magnitude | 13.82 (0.001) | |||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.021 | |||
* 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.