All names: WDJ223418.67-553403.40, WDJ223418.67-553403.39, 2MASS J22341863-5534029, Gaia DR3 6505318682415051520, LEHPM 4867, Gaia DR2 6505318682415051520, 223418.67-553403.40, TIC 219332485, Gaia EDR3 6505318682415051520
| 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 | 22 34 18.86 (0.06) | 22 34 18.86 | 22 34 18.86 | 22 34 18.67 (0.06) | 22 34 18.86 | ||||
| Declination | -55 34 00.44 (0.08) | -55 34 00.53 | -55 34 00.44 | -55 34 03.39 (0.08) | -55 34 00.53 | ||||
| Spectral type | DC | DC | DC: | DC | |||||
| Effective temperature | [K] | 4687.0 (69) | 4690.0 (70) | 4720.0 (37) | |||||
| log(g) | [cgs] | 7.84 (0.05) | 7.84 (0.05) | 7.87 (0.02) | |||||
| Mass | [M☉] | 0.486 (0.02) | 0.502 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 26.51 (0.1) | 26.51 (0.1) | 26.50 (0.1) | 26.54 (0.2) | 26.51 | 26.51 (0.1) | 26.54 (0.2) | |
| Distance | [pc] | 37.72 (0.1) | 37.72 (0.1) | 37.74 (0.1) | 37.68 (0.2) | 37.72 | 37.72 (0.1) | 37.68 (0.2) | |
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 100.5685933 (0.09) | 100.7148946 (0.2) | 100.569 (0.09) | 100.7148946 | ||||
| Proper motion (declination) | [mas/yr] | 184.8838453 (0.1) | 185.2064442 (0.3) | 184.884 (0.1) | 185.2064442 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.52 (0.1) | ||||||||
| H magnitude | 16.17 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 17.87 (0.02) | 17.89 | 17.87 | 17.87 (0.003) | 17.89 | ||||
| BP magnitude | 18.42 (0.02) | 18.42 | 18.42 | ||||||
| RP magnitude | 17.17 (0.007) | 17.19 | 17.19 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.003 | ||||||||
* 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.