All names: GALEX J062825.6-184453, Gaia DR3 2940254694388783104, EVR-HSD-002, GALEXJ06284-1844, UCAC2 24524467, 2MASS J06282553-1844541, DENIS J062825.5-184454, UCAC4 357-014218, ATO J097.1064-18.7484, Gaia DR2 2940254694388783104, WISE J062825.53-184454.2, TIC 47549129, WISEA J062825.53-184454.2
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 06 28 25.62 | 06 28 25.54 (0.01) | ||
| Declination | -18 44 53.32 | -18 44 54.18 (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] | 1.32 (0.03) | 1.24 (0.02) | |
| Distance | [pc] | 758.78 (18) | 804.83 (14) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.406 (0.06) | 4.382 (0.02) | |
| Proper motion (declination) | [mas/yr] | -8.549 (0.06) | -8.651 (0.02) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.10 (0.02) | |||
| V magnitude | 13.20 (0.01) | |||
| R magnitude | 13.39 (0.08) | |||
| I magnitude | 13.33 (0.03) | |||
| J magnitude | 13.52 (0.03) | 13.52 (0.03) | ||
| H magnitude | 13.57 (0.03) | 13.57 (0.03) | ||
| K magnitude | 13.53 (0.04) | 13.53 (0.04) | ||
| u magnitude | ||||
| g magnitude | 13.04 (0.02) | |||
| r magnitude | 13.40 (0.02) | |||
| i magnitude | 13.62 (0.05) | |||
| z magnitude | ||||
| G magnitude | 13.19 (0.002) | 13.18 (0.003) | ||
| BP magnitude | 13.06 (0.007) | |||
| RP magnitude | 13.32 (0.005) | |||
| Pan g magnitude | 13.29 | |||
| Pan r magnitude | 13.35 (0.005) | |||
| Pan i magnitude | 13.62 (0.003) | |||
| Pan z magnitude | 13.93 (0.005) | |||
| Pan y magnitude | 14.03 (0.002) | |||
| E(B-V) | 0.069 | |||
* 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.