All names: [DI91] 1551, EC04094-7513, Gaia EDR3 4629155441424591360, 2MASS J04081991-7506064, EC 04094-7513, GALEX J040819.8-750606, TIC 33735626, Gaia DR2 4629155441424591360, Gaia DR3 4629155441424591360
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 08 19.97 (0.03) | 04 08 19.95 | 04 08 19.95 (0.03) | ||
| Declination | -75 06 06.35 (0.03) | -75 06 05.76 | -75 06 06.51 (0.03) | ||
| 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] | 0.87 (0.04) | 0.82 (0.05) | 0.87 (0.04) | |
| Distance | [pc] | 1145.74 (47) | 1221.75 (71) | 1145.74 (47) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 5.748 (0.04) | 5.71 (0.07) | 5.748 (0.04) | |
| Proper motion (declination) | [mas/yr] | 10.179 (0.04) | 10.241 (0.09) | 10.179 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.20 | ||||
| V magnitude | 15.38 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.72 (0.07) | 15.72 (0.07) | |||
| H magnitude | 16.17 (0.2) | 16.17 (0.2) | |||
| K magnitude | 15.60 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.36 (0.003) | 15.37 (0.0008) | 15.36 (0.003) | ||
| BP magnitude | 15.25 (0.004) | 15.20 (0.009) | |||
| RP magnitude | 15.56 (0.005) | 15.56 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.069 | ||||
* 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.