All names: EC 04147-2518, UCAC4 325-004938, 2MASS J04165050-2511380, Gaia DR3 4895930531786688384, EC04147-2518, TIC 179034615, GALEX J041650.4-251138, Gaia DR2 4895930531786688384
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 04 16 50.52 | 04 16 50.51 (0.02) | ||
| Declination | -25 11 37.72 | -25 11 37.95 (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] | 0.05 (0.05) | 0.13 (0.03) | |
| Distance | [pc] | 20242.91 (19423) | 7763.98 (1977) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 6.508 (0.06) | 6.734 (0.02) | |
| Proper motion (declination) | [mas/yr] | -6.171 (0.07) | -6.319 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.50 (0.06) | |||
| V magnitude | 15.51 (0.04) | |||
| R magnitude | 15.79 (0.2) | |||
| I magnitude | ||||
| J magnitude | 15.45 (0.07) | 15.45 (0.07) | ||
| H magnitude | 15.63 (0.1) | 15.63 (0.1) | ||
| K magnitude | 15.48 (0.2) | 15.48 (0.2) | ||
| u magnitude | ||||
| g magnitude | 15.42 (0.08) | |||
| r magnitude | 15.61 (0.07) | |||
| i magnitude | 15.83 (0.04) | |||
| z magnitude | ||||
| G magnitude | 15.43 (0.001) | 15.41 (0.003) | ||
| BP magnitude | 15.39 (0.004) | |||
| RP magnitude | 15.40 (0.005) | |||
| Pan g magnitude | 15.34 (0.01) | |||
| Pan r magnitude | 15.54 (0.002) | |||
| Pan i magnitude | 15.73 (0.003) | |||
| Pan z magnitude | 15.89 (0.002) | |||
| Pan y magnitude | 15.92 (0.0008) | |||
| E(B-V) | 0.016 | |||
* 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.