All names: EC 04369-6203, GALEX J043734.0-615744, Gaia EDR3 4677213647268641152, UCAC4 141-004404, TIC 471013460, EC04369-6203, TIC 684956409, Gaia DR3 4677213647268641152, BPS CS 29520-0048, TIC 471013513, Gaia DR2 4677213647268641152
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 37 34.09 (0.03) | 04 37 34.10 | 04 37 34.07 (0.03) | ||
| Declination | -61 57 42.78 (0.03) | -61 57 42.84 | -61 57 43.12 (0.03) | ||
| Spectral type | He-sdO | sdOC9VIIHe39 | |||
| 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] | 0.77 (0.03) | 0.71 (0.05) | 0.77 (0.03) | |
| Distance | [pc] | 1293.66 (51) | 1416.23 (104) | 1293.66 (51) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 9.891 (0.04) | 9.91 (0.09) | 9.891 (0.04) | |
| Proper motion (declination) | [mas/yr] | 21.195 (0.04) | 21.691 (0.1) | 21.195 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.32 (0.02) | ||||
| V magnitude | 14.57 (0.01) | ||||
| R magnitude | 15.03 (0.1) | ||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | |||||
| g magnitude | 14.35 (0.04) | ||||
| r magnitude | 14.84 (0.01) | ||||
| i magnitude | 15.08 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 14.55 (0.003) | 14.56 (0.0008) | 14.55 (0.003) | ||
| BP magnitude | 14.39 (0.003) | 14.29 (0.01) | |||
| RP magnitude | 14.86 (0.004) | 14.85 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.020 | ||||
* 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.