All names: TIC 319312778, UCAC4 375-004986, Gaia DR3 5097968576529039232, EC 04050-1517, 2MASS J04072345-1509087, EC04050-1517, Gaia DR2 5097968576529039232, GALEX J040723.4-150908
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 07 23.46 | 04 07 23.46 (0.03) | ||
| Declination | -15 09 08.60 | -15 09 08.82 (0.03) | ||
| Spectral type | sdB+F | sdB+F | ||
| 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] | 0.29 (0.05) | 0.23 (0.04) | |
| Distance | [pc] | 3462.60 (631) | 4299.23 (813) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.267 (0.07) | 1.28 (0.04) | |
| Proper motion (declination) | [mas/yr] | 0.388 (0.06) | 0.448 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.51 (0.05) | |||
| V magnitude | 16.21 (0.06) | |||
| R magnitude | 15.85 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.61 (0.06) | 15.61 (0.06) | ||
| H magnitude | 15.57 (0.1) | 15.57 (0.1) | ||
| K magnitude | 15.30 (0.2) | 15.30 (0.2) | ||
| u magnitude | ||||
| g magnitude | 16.28 (0.01) | |||
| r magnitude | 16.17 (0.02) | |||
| i magnitude | 16.08 (0.1) | |||
| z magnitude | ||||
| G magnitude | 16.12 (0.0008) | 16.10 (0.003) | ||
| BP magnitude | 16.19 (0.003) | |||
| RP magnitude | 15.88 (0.003) | |||
| Pan g magnitude | 16.19 (0.0008) | |||
| Pan r magnitude | 16.18 (0.002) | |||
| Pan i magnitude | 16.22 (0.002) | |||
| Pan z magnitude | 16.29 (0.006) | |||
| Pan y magnitude | 16.30 (0.002) | |||
| 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.