All names: UCAC4 158-213557, GALEX J194615.1-582916, EC19420-5836, WISE J194615.18-582917.5, Gaia DR3 6448064504912756352, TIC 320529836, Gaia EDR3 6448064607990756864, Gaia DR2 6448064504912756352, EC 19420-5836, 2MASS J19461517-5829174
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 46 20.14 (0.6) | 19 46 15.26 | 19 46 15.17 (0.02) | ||
| Declination | -58 27 31.19 (0.7) | -58 29 17.95 | -58 29 17.52 (0.02) | ||
| 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] | 1.99 (1) | 0.92 (0.04) | 0.92 (0.03) | |
| Distance | [pc] | 503.35 (253) | 1084.36 (47) | 1082.02 (35) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.982 (0.8) | 9.609 (0.06) | 10.01 (0.02) | |
| Proper motion (declination) | [mas/yr] | -8.086 (0.8) | -13.086 (0.05) | -13.268 (0.02) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.94 (0.01) | ||||
| V magnitude | 14.85 (0.01) | ||||
| R magnitude | 15.00 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 14.01 (0.03) | 14.01 (0.03) | |||
| H magnitude | 13.68 (0.03) | 13.68 (0.03) | |||
| K magnitude | 13.56 (0.04) | 13.56 (0.04) | |||
| u magnitude | |||||
| g magnitude | 14.87 (0.01) | ||||
| r magnitude | 14.82 (0.01) | ||||
| i magnitude | 14.81 (0.2) | ||||
| z magnitude | |||||
| G magnitude | 20.72 (0.01) | 14.65 (0.001) | 14.64 (0.003) | ||
| BP magnitude | 20.78 (0.1) | 14.68 (0.007) | |||
| RP magnitude | 20.09 (0.1) | 14.44 (0.005) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.041 | ||||
* 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.