All names: LTT 6143, Gaia DR2 6206195620664214400, WDJ152316.52-341207.39, UCAC4 279-080247, LAWD 57, WDJ152316.52-341207.40, Gaia DR3 6206195620664214400, WD 1520-34, L 551-74, UCAC3 112-177474, Gaia EDR3 6206195620664214400, TIC 54073900, NLTT 40053, DENIS J152316.5-341207, 2MASS J15231655-3412070
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 23 16.05 (0.03) | 15 23 16.07 | 15 23 16.05 | 15 23 16.52 (0.03) | 15 23 16.07 | |||
| Declination | -34 12 11.36 (0.02) | -34 12 11.24 | -34 12 11.36 | -34 12 07.40 (0.02) | -34 12 11.24 | |||
| Spectral type | DC | DQ | DC | |||||
| Effective temperature | [K] | 8711.0 (95) | 8002.0 (39) | |||||
| log(g) | [cgs] | 8.03 (0.03) | 7.83 (0.009) | |||||
| Mass | [M☉] | 0.597 (0.02) | 0.481 (0.007) | |||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 30.64 (0.04) | 30.64 (0.04) | 30.60 (0.08) | 30.64 | 30.64 (0.04) | 30.60 (0.08) | |
| Distance | [pc] | 32.64 (0.04) | 32.64 (0.04) | 32.68 (0.08) | 32.64 | 32.64 (0.04) | 32.68 (0.08) | |
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -364.3565782 (0.04) | -364.1051025 (0.1) | -364.357 (0.04) | -364.1051025 | |||
| Proper motion (declination) | [mas/yr] | -247.8479269 (0.03) | -247.8598981 (0.08) | -247.848 (0.03) | -247.8598981 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.62 (0.08) | |||||||
| V magnitude | 15.43 (0.03) | |||||||
| R magnitude | ||||||||
| I magnitude | 15.13 (0.04) | |||||||
| J magnitude | 15.24 (0.05) | |||||||
| H magnitude | 15.28 (0.1) | |||||||
| K magnitude | 15.30 (0.2) | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 15.37 (0.002) | 15.39 | 15.37 | 15.37 (0.003) | 15.39 | |||
| BP magnitude | 15.44 (0.002) | 15.43 | 15.43 | |||||
| RP magnitude | 15.23 (0.003) | 15.23 | 15.23 | |||||
| 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.