All names: Gaia EDR3 5093494045240239232, Gaia DR2 5093494045240239232, Gaia DR3 5093494045240239232, UCAC4 363-005380, TIC 70963660, GALEXJ04200-1727, GALEX J042004.7-172707, EC 04178-1734, 2MASS J04200465-1727090
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 20 04.66 (0.02) | 04 20 04.74 | 04 20 04.66 (0.02) | ||
| Declination | -17 27 08.91 (0.02) | -17 27 07.78 | -17 27 09.03 (0.02) | ||
| 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] | 1.07 (0.03) | 1.12 (0.05) | 1.07 (0.03) | |
| Distance | [pc] | 931.10 (27) | 891.11 (36) | 931.10 (27) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 6.58 (0.03) | 6.562 (0.06) | 6.58 (0.03) | |
| Proper motion (declination) | [mas/yr] | 7.49 (0.03) | 7.582 (0.06) | 7.49 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.24 (0.06) | ||||
| V magnitude | 14.41 (0.03) | ||||
| R magnitude | 14.78 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.71 (0.04) | 14.71 (0.04) | |||
| H magnitude | 14.75 (0.07) | 14.75 (0.07) | |||
| K magnitude | 14.61 (0.09) | 14.61 (0.09) | |||
| u magnitude | |||||
| g magnitude | 14.22 (0.03) | ||||
| r magnitude | 14.64 (0.01) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.35 (0.003) | 14.37 (0.0004) | 14.35 (0.003) | ||
| BP magnitude | 14.24 (0.003) | 14.19 (0.005) | |||
| RP magnitude | 14.56 (0.004) | 14.56 (0.002) | |||
| Pan g magnitude | 14.23 (0.01) | ||||
| Pan r magnitude | 14.60 (0.002) | ||||
| Pan i magnitude | 14.90 (0.002) | ||||
| Pan z magnitude | 15.14 (0.004) | ||||
| Pan y magnitude | 15.25 (0.007) | ||||
| E(B-V) | 0.035 | ||||
* 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.