All names: TIC 382039146, Gaia DR3 6433721203933491712, UCAC2 2345496, WISE J185840.34-675523.8, Gaia EDR3 6433721203933491712, WISEA J185840.35-675523.8, 2MASS J18584033-6755233, UCAC4 111-122049, GALEXJ18586-6755, GALEX J185840.2-675522, Gaia DR2 6433721203933491712
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 18 58 40.34 (0.01) | 18 58 40.24 | 18 58 40.34 (0.01) | ||
| Declination | -67 55 23.58 (0.02) | -67 55 22.49 | -67 55 23.50 (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] | 1.20 (0.03) | 1.20 (0.05) | 1.20 (0.03) | |
| Distance | [pc] | 832.02 (22) | 834.52 (32) | 832.02 (22) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 2.579 (0.02) | 2.656 (0.05) | 2.579 (0.02) | |
| Proper motion (declination) | [mas/yr] | -5.233 (0.03) | -5.148 (0.06) | -5.233 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.86 (0.1) | ||||
| V magnitude | 13.98 (0.03) | ||||
| R magnitude | 14.21 (0.09) | ||||
| I magnitude | |||||
| J magnitude | 14.52 (0.04) | 14.52 (0.04) | |||
| H magnitude | 14.60 (0.06) | 14.60 (0.06) | |||
| K magnitude | 14.86 (0.1) | 14.86 (0.1) | |||
| u magnitude | |||||
| g magnitude | 13.81 (0.07) | ||||
| r magnitude | 14.25 (0.01) | ||||
| i magnitude | 14.75 (0.1) | ||||
| z magnitude | |||||
| G magnitude | 13.98 (0.003) | 13.99 (0.0003) | 13.98 (0.003) | ||
| BP magnitude | 13.86 (0.003) | 13.81 (0.003) | |||
| RP magnitude | 14.21 (0.004) | 14.22 (0.001) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.047 | ||||
* 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.