All names: GALEXJ05009-2941, Gaia DR2 4876527450091397376, Gaia EDR3 4876527450091397376, TIC 778852, UCAC4 302-006076, 2MASS J05005440-2941217, Gaia DR3 4876527450091397376, GALEX J050054.4-294120, EC 04589-2945
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 05 00 54.42 (0.02) | 05 00 54.43 | 05 00 54.40 (0.02) | ||
| Declination | -29 41 21.69 (0.02) | -29 41 20.98 | -29 41 21.64 (0.02) | ||
| Spectral type | sdB+WD? | 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] | 1.69 (0.03) | 1.71 (0.04) | 1.69 (0.03) | |
| Distance | [pc] | 590.01 (1e+01) | 585.45 (12) | 590.01 (1e+01) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 10.909 (0.03) | 11.074 (0.06) | 10.909 (0.03) | |
| Proper motion (declination) | [mas/yr] | -3.318 (0.03) | -3.424 (0.06) | -3.318 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.28 (0.06) | ||||
| V magnitude | 13.50 (0.03) | ||||
| R magnitude | 13.91 (0.05) | ||||
| I magnitude | |||||
| J magnitude | 14.13 (0.03) | 14.13 (0.03) | |||
| H magnitude | 14.18 (0.04) | 14.18 (0.04) | |||
| K magnitude | 14.23 (0.08) | 14.23 (0.08) | |||
| u magnitude | |||||
| g magnitude | 13.24 (0.01) | ||||
| r magnitude | 13.69 (0.02) | ||||
| i magnitude | 14.07 (0.03) | ||||
| z magnitude | |||||
| G magnitude | 13.47 (0.003) | 13.48 (0.0006) | 13.47 (0.003) | ||
| BP magnitude | 13.33 (0.003) | 13.28 (0.008) | |||
| RP magnitude | 13.75 (0.004) | 13.74 (0.003) | |||
| Pan g magnitude | 13.35 | ||||
| Pan r magnitude | 13.74 (0.006) | ||||
| Pan i magnitude | 14.09 (0.002) | ||||
| Pan z magnitude | 14.37 (0.004) | ||||
| Pan y magnitude | 14.53 (0.007) | ||||
| E(B-V) | 0.010 | ||||
* 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.