All names: Gaia DR3 6446572158396829440, GALEX J193549.4-585351, UCAC4 156-209651, Gaia EDR3 6446571707424406144, BPS CS 22891-0227, EC19315-5900, Gaia DR2 6446572158396829440, 2MASS J19354962-5853521, TIC 320173712, EC 19315-5900
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 35 57.35 (0.5) | 19 35 49.65 | 19 35 49.63 (0.02) | ||
| Declination | -58 55 33.39 (0.6) | -58 53 51.47 | -58 53 52.01 (0.02) | ||
| Spectral type | sdO | sdOHe | |||
| 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] | 1.76 (0.9) | 0.31 (0.05) | 0.34 (0.04) | |
| Distance | [pc] | 566.89 (290) | 3211.30 (490) | 2898.55 (300) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.3 (0.7) | -16.355 (0.07) | -16.441 (0.03) | |
| Proper motion (declination) | [mas/yr] | -7.07 (0.7) | -21.91 (0.06) | -21.877 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.15 (0.02) | ||||
| V magnitude | 15.28 (0.01) | ||||
| R magnitude | 15.42 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 15.69 (0.07) | 15.69 (0.07) | |||
| H magnitude | 15.77 (0.1) | 15.77 (0.1) | |||
| K magnitude | 15.74 (0.2) | 15.74 (0.2) | |||
| u magnitude | |||||
| g magnitude | 15.16 (0.01) | ||||
| r magnitude | 15.51 (0.01) | ||||
| i magnitude | 15.94 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 20.48 (0.008) | 15.22 (0.0008) | 15.20 (0.003) | ||
| BP magnitude | 20.79 (0.1) | 15.04 (0.01) | |||
| RP magnitude | 20.01 (0.09) | 15.39 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.046 | ||||
* 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.