All names: uvby98 601107394, TIC 111184069, GALEX J225741.2-133548, UCAC4 383-165066, Gaia DR2 2411099536514256384, PB 7394, GALEXJ22576-1335, Gaia EDR3 2411099536514256384, EC 22550-1351, Gaia DR3 2411099536514256384, 2MASS J22574146-1335476
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 57 41.45 (0.04) | 22 57 41.30 | 22 57 41.47 (0.04) | ||
| Declination | -13 35 47.97 (0.03) | -13 35 48.88 | -13 35 47.69 (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] | 1.67 (0.04) | 1.67 (0.06) | 1.67 (0.04) | |
| Distance | [pc] | 599.74 (15) | 597.84 (23) | 599.74 (15) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -15.942 (0.05) | -16.005 (0.09) | -15.942 (0.05) | |
| Proper motion (declination) | [mas/yr] | -17.9 (0.04) | -17.923 (0.08) | -17.9 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.62 (0.03) | ||||
| V magnitude | 13.84 (0.02) | ||||
| R magnitude | 14.17 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.48 (0.03) | 14.48 (0.03) | |||
| H magnitude | 14.63 (0.04) | 14.63 (0.04) | |||
| K magnitude | 14.78 (0.09) | 14.78 (0.09) | |||
| u magnitude | |||||
| g magnitude | 13.59 (0.01) | ||||
| r magnitude | 14.04 (0.02) | ||||
| i magnitude | 14.41 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 13.82 (0.003) | 13.83 (0.0008) | 13.82 (0.003) | ||
| BP magnitude | 13.67 (0.003) | 13.63 (0.009) | |||
| RP magnitude | 14.10 (0.004) | 14.10 (0.001) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | 20.61 (0.07) | ||||
| Pan z magnitude | |||||
| Pan y magnitude | 19.27 (0.2) | ||||
| E(B-V) | 0.032 | ||||
* 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.