All names: WDJ123156.66-503247.99, UCAC4 198-073015, DENIS J123156.6-503247, 2MASS J12315667-5032479, 123156.66-503247.99, WDJ123156.66-503247.98, WDS J12320-5032B, Gaia DR3 6127190796769848960, TIC 401283890, Gaia EDR3 6127190796769848960, Gaia DR2 6127190796769848960, ** LDS 412B
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 31 56.57 (0.01) | 12 31 56.58 | 12 31 56.57 | 12 31 56.66 (0.01) | 12 31 56.58 | ||||
| Declination | -50 32 49.96 (0.01) | -50 32 49.90 | -50 32 49.96 | -50 32 47.99 (0.01) | -50 32 49.90 | ||||
| Spectral type | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 18012.0 (347) | 18010.0 (350) | 19160.0 (121) | |||||
| log(g) | [cgs] | 7.93 (0.02) | 7.94 (0.02) | 8.01 (0.005) | |||||
| Mass | [M☉] | 0.583 (0.01) | 0.628 (0.004) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 30.48 (0.03) | 30.48 (0.03) | 30.48 (0.03) | 30.46 (0.06) | 30.48 | 30.48 (0.03) | 30.46 (0.06) | |
| Distance | [pc] | 32.81 (0.03) | 32.81 (0.03) | 32.81 (0.03) | 32.83 (0.06) | 32.81 | 32.81 (0.03) | 32.83 (0.06) | |
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -49.81747369 (0.02) | -49.86402616 (0.07) | -49.817 (0.02) | -49.86402616 | ||||
| Proper motion (declination) | [mas/yr] | -123.1360135 (0.02) | -123.2101314 (0.04) | -123.136 (0.02) | -123.2101314 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | 13.64 (0.1) | ||||||||
| I magnitude | 13.58 (0.02) | ||||||||
| J magnitude | 13.74 (0.07) | ||||||||
| H magnitude | 13.73 (0.1) | ||||||||
| K magnitude | 13.75 (0.1) | ||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 13.47 (0.0006) | 13.49 | 13.47 | 13.47 (0.003) | 13.49 | ||||
| BP magnitude | 13.40 (0.0006) | 13.38 | 13.38 | ||||||
| RP magnitude | 13.63 (0.001) | 13.63 | 13.63 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.002 | ||||||||
* 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.