All names: NLTT 49103, WDJ202221.76-582202.99, BPM 26734, L 210-160, LHS 3541, LFT 1540, Gaia DR2 6467585887187253760, WD 2018-58, GEN# +9.86210160, 2MASS J20222171-5822034, LAWD 81, LTT 8057, Gaia EDR3 6467585887187253760, TIC 219963669, WD 2018-585, Gaia DR3 6467585887187253760
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 22 22.34 (0.03) | 20 22 22.32 (0.05) | 20 22 22.34 | 20 22 21.76 (0.03) | 20 22 22.32 | 20 22 20.81 | ||
| Declination | -58 22 09.96 (0.04) | -58 22 09.74 (0.05) | -58 22 09.96 | -58 22 02.99 (0.04) | -58 22 09.74 | -58 21 23.76 | ||
| Spectral type | DC | DC? | DC? | |||||
| Effective temperature | [K] | 9745.0 (89) | ||||||
| log(g) | [cgs] | 8.06 (0.01) | ||||||
| Mass | [M☉] | 0.615 (0.01) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 17.42 (0.05) | 17.45 (0.06) | 17.42 | 17.42 (0.05) | 17.45 (0.06) | ||
| Distance | [pc] | 57.39 (0.2) | 57.32 (0.2) | 57.39 | 57.39 (0.2) | 57.32 (0.2) | ||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 281.1513803 (0.04) | 281.171 (0.1) | 281.151 (0.04) | 281.1705573 | |||
| Proper motion (declination) | [mas/yr] | -435.6284744 (0.04) | -435.654 (0.09) | -435.628 (0.04) | -435.6539424 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.84 | |||||||
| V magnitude | 15.55 | |||||||
| R magnitude | 15.50 | |||||||
| I magnitude | ||||||||
| J magnitude | 16.23 (0.1) | |||||||
| H magnitude | ||||||||
| K magnitude | 15.36 (0.2) | |||||||
| u magnitude | ||||||||
| g magnitude | ||||||||
| r magnitude | ||||||||
| i magnitude | ||||||||
| z magnitude | ||||||||
| G magnitude | 16.26 (0.004) | 16.29 | 16.26 | 16.26 (0.003) | 16.29 | |||
| BP magnitude | 16.30 (0.004) | 16.26 | 16.26 | |||||
| RP magnitude | 16.20 (0.004) | 16.19 | 16.19 | |||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.005 | |||||||
* 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.