All names: Gaia DR3 4880439443743424384, Gaia DR2 4880439443743424384, TIC 770554, Gaia EDR3 4880439443743424384, UCAC4 314-005973, EC04577-2719, 2MASS J04594421-2714353, GALEX J045944.1-271435, EC 04577-2719
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 59 44.22 (0.02) | 04 59 44.20 | 04 59 44.22 (0.02) | ||
| Declination | -27 14 35.32 (0.03) | -27 14 36.13 | -27 14 35.32 (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] | 0.55 (0.03) | 0.59 (0.05) | 0.55 (0.03) | |
| Distance | [pc] | 1809.30 (110) | 1688.05 (142) | 1809.30 (110) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.82 (0.03) | 3.882 (0.07) | 3.82 (0.03) | |
| Proper motion (declination) | [mas/yr] | -0.352 (0.04) | -0.353 (0.09) | -0.352 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.52 (0.06) | ||||
| V magnitude | 15.76 (0.1) | ||||
| R magnitude | 15.99 (0.4) | ||||
| I magnitude | |||||
| J magnitude | 16.44 (0.1) | 16.44 (0.1) | |||
| H magnitude | 16.07 | ||||
| K magnitude | 16.93 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.76 (0.003) | 15.77 (0.0007) | 15.76 (0.003) | ||
| BP magnitude | 15.63 (0.003) | 15.57 (0.007) | |||
| RP magnitude | 16.03 (0.005) | 16.03 (0.003) | |||
| Pan g magnitude | 15.59 (0.004) | ||||
| Pan r magnitude | 16.00 (0.003) | ||||
| Pan i magnitude | 16.36 (0.003) | ||||
| Pan z magnitude | 16.64 (0.005) | ||||
| Pan y magnitude | 16.78 (0.007) | ||||
| E(B-V) | 0.012 | ||||
* 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.