All names: EC 04013-4017, GALEX J040304.5-400941, TIC 369377398, EC04013-4017, WISE J040304.52-400941.1, Gaia EDR3 4844000803764527360, 2MASS J04030453-4009409, UCAC4 250-004235, Gaia DR2 4844000803764527360, Gaia DR3 4844000803764527360
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 04 03 04.53 (0.02) | 04 03 04.42 | 04 03 04.54 (0.02) | ||
| Declination | -40 09 41.29 (0.03) | -40 09 41.08 | -40 09 41.09 (0.03) | ||
| Spectral type | He-sdB | sdBC1VIIHe32 | |||
| 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] | 1.41 (0.03) | 1.41 (0.04) | 1.41 (0.03) | |
| Distance | [pc] | 711.69 (15) | 708.42 (19) | 711.69 (15) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -8.479 (0.03) | -8.503 (0.06) | -8.479 (0.03) | |
| Proper motion (declination) | [mas/yr] | -12.387 (0.04) | -12.325 (0.07) | -12.387 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.20 (0.03) | ||||
| V magnitude | 14.40 (0.02) | ||||
| R magnitude | 14.66 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.18 (0.04) | 15.18 (0.04) | |||
| H magnitude | 15.14 (0.07) | 15.14 (0.07) | |||
| K magnitude | 15.23 (0.1) | 15.23 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.21 (0.04) | ||||
| r magnitude | 14.64 (0.03) | ||||
| i magnitude | 15.04 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 14.37 (0.003) | 14.38 (0.0006) | 14.37 (0.003) | ||
| BP magnitude | 14.21 (0.003) | 14.13 (0.009) | |||
| RP magnitude | 14.67 (0.004) | 14.67 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| 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.