All names: GALEX J055808.4+822218, FBS 0547+824, FBS B 1045, Gaia DR3 557301216730452864, Gaia DR2 557301216730452864, SDSS J055808.85+822218.4, Gaia EDR3 557301216730452864, 2MASS J05580874+8222182, TIC 138399349, SDSSJ055808.88+822218.6
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 05 58 08.84 (0.03) | 05 58 08.88 | 05 58 08.85 (0.03) | ||
| Declination | 82 22 18.45 (0.03) | 82 22 18.60 | 82 22 18.48 (0.03) | ||
| Spectral type | sdOB | sdOB | |||
| Effective temperature | [K] | 35684.0 (930) | |||
| log(g) | [cgs] | 5.81 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.60 (0.04) | 0.61 (0.06) | 0.60 (0.04) | |
| Distance | [pc] | 1653.44 (109) | 1648.80 (175) | 1653.44 (109) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -1.116 (0.05) | -1.399 (0.1) | -1.116 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.555 (0.04) | -1.562 (0.1) | -1.555 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.46 (0.1) | 16.46 (0.1) | |||
| H magnitude | 16.50 | ||||
| K magnitude | 15.87 | ||||
| u magnitude | 15.42 (0.004) | 15.42 (0.004) | |||
| g magnitude | 15.63 (0.003) | 15.63 (0.003) | |||
| r magnitude | 16.09 (0.003) | 16.09 (0.003) | |||
| i magnitude | 16.40 (0.004) | 16.40 (0.004) | |||
| z magnitude | 16.68 (0.01) | 16.68 (0.01) | |||
| G magnitude | 15.86 (0.003) | 15.88 (0.001) | 15.86 (0.003) | ||
| BP magnitude | 15.75 (0.004) | 15.70 (0.009) | |||
| RP magnitude | 16.10 (0.006) | 16.11 (0.004) | |||
| Pan g magnitude | 15.73 (0.002) | ||||
| Pan r magnitude | 16.10 (0.002) | ||||
| Pan i magnitude | 16.44 (0.003) | ||||
| Pan z magnitude | 16.72 (0.004) | ||||
| Pan y magnitude | 16.86 (0.01) | ||||
| E(B-V) | 0.054 | ||||
* 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.