All names: TIC 77110479, Gaia DR2 4963617807621683712, Gaia DR3 4963617807621683712, GALEX J021831.7-393632, LEHPM 2354, WDJ021831.50-393633.22, NLTT 7640, WD 0216-398, Gaia EDR3 4963617807621683712, LP 992-99, LHS 1385, 2MASS J02183149-3936332
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Subasavage et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 18 32.20 (0.02) | 02 18 32.18 (0.02) | 02 18 31.51 | 02 18 32.20 | 02 18 31.50 (0.02) | 02 18 32.18 | 02 18 31.39 | |||
| Declination | -39 36 31.93 (0.02) | -39 36 31.97 (0.02) | -39 36 33.20 | -39 36 31.93 | -39 36 33.22 (0.02) | -39 36 31.97 | -39 36 30.60 | |||
| Spectral type | DA | DA7.0 | DA | DA7.0 | DA6.8 | |||||
| Effective temperature | [K] | 7176.0 (51) | 7364.0 (241) | 7332.0 (26) | ||||||
| log(g) | [cgs] | 7.96 (0.02) | 8.01 (0.006) | |||||||
| Mass | [M☉] | 0.57 (0.01) | 0.599 (0.006) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(C/H) | ||||||||||
| log(N/H) | ||||||||||
| log(O/H) | ||||||||||
| log(Na/H) | ||||||||||
| log(Mg/H) | ||||||||||
| log(Al/H) | ||||||||||
| log(Si/H) | ||||||||||
| log(P/H) | ||||||||||
| log(S/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Ni/H) | ||||||||||
| Parallax | [mas] | 33.24 (0.03) | 33.24 (0.03) | 33.26 (0.03) | 33.24 | 33.24 (0.03) | 33.26 (0.03) | |||
| Distance | [pc] | 30.08 (0.02) | 30.08 (0.03) | 30.06 (0.03) | 29.90 | 30.08 | 30.08 (0.02) | 30.06 (0.03) | ||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 501.8217069 (0.02) | 501.8242749 (0.04) | 501.822 (0.02) | 501.8242749 | |||||
| Proper motion (declination) | [mas/yr] | 81.13740759 (0.03) | 81.17249731 (0.04) | 81.137 (0.03) | 81.17249731 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | 15.75 | |||||||||
| R magnitude | 15.55 | |||||||||
| I magnitude | 15.29 | |||||||||
| J magnitude | 15.09 (0.04) | 15.09 (0.04) | ||||||||
| H magnitude | 14.83 (0.06) | 14.83 (0.06) | ||||||||
| K magnitude | 14.89 (0.1) | 14.89 (0.1) | ||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 15.67 (0.002) | 15.68 | 15.67 | 15.67 (0.003) | 15.68 | |||||
| BP magnitude | 15.84 (0.002) | 15.83 | 15.83 | |||||||
| RP magnitude | 15.36 (0.002) | 15.37 | 15.37 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.000 | |||||||||
* 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.