All names: Gaia DR2 4942248352459388544, Gaia EDR3 4942248352459862400, WDJ015658.48-470907.10, WDJ015658.48-470907.09, JL 270, TIC 184397946, GALEX J015658.4-470908, Gaia DR3 4942248352459862400, USNO-A2.0 0375-00608069, 2MASS J01565843-4709069
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 01 56 58.54 (0.03) | 01 56 58.54 | 01 56 58.54 | 01 56 58.48 (0.03) | 01 56 58.54 | ||
| Declination | -47 09 09.30 (0.03) | -47 09 09.23 | -47 09 09.30 | -47 09 07.10 (0.03) | -47 09 09.23 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 9558.0 (59) | |||||
| log(g) | [cgs] | 7.96 (0.01) | |||||
| Mass | [M☉] | 0.576 (0.009) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 16.12 (0.04) | 16.21 (0.06) | 16.12 | 16.12 (0.04) | 16.21 (0.06) | |
| Distance | [pc] | 62.03 (0.2) | 61.69 (0.2) | 62.03 | 62.03 (0.2) | 61.69 (0.2) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 43.38426625 (0.04) | 43.4883995 (0.1) | 43.384 (0.04) | 43.4883995 | ||
| Proper motion (declination) | [mas/yr] | -137.6651423 (0.04) | -137.6400339 (0.1) | -137.665 (0.04) | -137.6400339 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.20 | ||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 16.11 (0.09) | ||||||
| H magnitude | 15.98 (0.2) | ||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 16.24 (0.002) | 16.24 | 16.24 | 16.24 (0.003) | 16.24 | ||
| BP magnitude | 16.30 (0.002) | 16.29 | 16.29 | ||||
| RP magnitude | 16.11 (0.004) | 16.11 | 16.11 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.001 | ||||||
* 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.