All names: UCAC4 469-001101, LAMOST J004759.46+033744.6, 2MASS J00475946+0337448, GALEXJ004759.62+033742.88, BPS BS 17579-0012, PB 6168, Gaia DR3 2550973079312403712, GALEX J004759.5+033742, uvby98 601106168, GALEX J004759.6+033742, Gaia DR2 2550973079312403712
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 00 47 59.62 | 00 47 59.46 (0.03) | ||
| Declination | 03 37 42.88 | 03 37 44.56 (0.02) | ||
| Spectral type | sdB+F6V | sdB | ||
| Effective temperature | [K] | 38620.0 (2250) | ||
| log(g) | [cgs] | 6.14 (0.2) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.61 (0.06) | 1.72 (0.03) | |
| Distance | [pc] | 621.16 (22) | 582.14 (11) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.609 (0.1) | 1.783 (0.04) | |
| Proper motion (declination) | [mas/yr] | 8.89 (0.07) | 8.695 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.52 (0.03) | |||
| V magnitude | 12.32 (0.06) | |||
| R magnitude | 12.53 (0.08) | |||
| I magnitude | ||||
| J magnitude | 11.88 (0.03) | 11.88 (0.04) | ||
| H magnitude | 11.63 (0.04) | 11.63 (0.04) | ||
| K magnitude | 11.70 (0.04) | 11.70 (0.04) | ||
| u magnitude | 12.86 (0.004) | |||
| g magnitude | 12.36 (0.02) | |||
| r magnitude | 14.90 (0.01) | 12.32 (0.05) | ||
| i magnitude | 15.30 (0.01) | 12.33 (0.08) | ||
| z magnitude | 12.89 (0.005) | |||
| G magnitude | 12.36 (0.0002) | 12.35 (0.003) | ||
| BP magnitude | 12.39 (0.003) | |||
| RP magnitude | 12.18 (0.002) | |||
| Pan g magnitude | 19.29 (0.02) | |||
| Pan r magnitude | ||||
| Pan i magnitude | 19.41 (0.03) | |||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.026 | |||
* 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.