All names: UCAC4 384-005577, 2MASS J04225284-1321109, TIC 71013467, GALEX J042252.7-132112, Gaia DR2 3176909488340492288, GALEXJ04228-1321, EC 04205-1328, Gaia DR3 3176909488340492288, [HH95] AH Eri-2
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 22 52.79 | 04 22 52.85 (0.01) | ||
| Declination | -13 21 12.04 | -13 21 11.02 (0.01) | ||
| Spectral type | sdB+MS | sdB+F | ||
| 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] | 0.59 (0.03) | 0.58 (0.02) | |
| Distance | [pc] | 1701.26 (87) | 1738.22 (47) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.81 (0.04) | 3.792 (0.01) | |
| Proper motion (declination) | [mas/yr] | 2.496 (0.03) | 2.462 (0.01) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.58 (0.01) | |||
| V magnitude | 13.44 (0.03) | |||
| R magnitude | 13.64 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.09 (0.03) | 13.09 (0.03) | ||
| H magnitude | 13.02 (0.03) | 13.02 (0.03) | ||
| K magnitude | 12.99 (0.03) | 12.99 (0.03) | ||
| u magnitude | ||||
| g magnitude | 13.43 (0.03) | |||
| r magnitude | 13.49 (0.04) | |||
| i magnitude | 13.58 (0.07) | |||
| z magnitude | ||||
| G magnitude | 13.42 (0.0003) | 13.40 (0.003) | ||
| BP magnitude | 13.44 (0.004) | |||
| RP magnitude | 13.28 (0.001) | |||
| Pan g magnitude | 13.42 (0.0004) | |||
| Pan r magnitude | 13.51 (0.003) | |||
| Pan i magnitude | 13.62 (0.003) | |||
| Pan z magnitude | 13.75 (0.006) | |||
| Pan y magnitude | 13.76 (0.003) | |||
| E(B-V) | 0.047 | |||
* 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.