All names: LEHPM 5911, Gaia DR2 6389551313580046464, GALEX J233145.3-665608, 2MASS J23314533-6656078, Gaia EDR3 6389551313580046464, WDJ233145.31-665607.80, TIC 410155962, LEP2331-6656, Gaia DR3 6389551313580046464
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Subasavage et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 31 45.77 (0.03) | 23 31 45.75 | 23 31 45.77 | 23 31 45.31 (0.03) | 23 31 45.75 | ||||
| Declination | -66 56 08.86 (0.03) | -66 56 08.82 | -66 56 08.86 | -66 56 07.80 (0.03) | -66 56 08.82 | ||||
| Spectral type | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 7658.0 (85) | 7653.0 (226) | 7735.0 (41) | |||||
| log(g) | [cgs] | 8.05 (0.03) | 8.05 (0.05) | 8.07 (0.009) | |||||
| Mass | [M☉] | 0.621 (0.02) | 0.623 (0.04) | 0.637 (0.008) | |||||
| 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] | 25.31 (0.04) | 25.31 (0.04) | 25.31 (0.05) | 25.31 (0.05) | 25.31 | 25.31 (0.04) | 25.31 (0.05) | |
| Distance | [pc] | 39.51 (0.06) | 39.51 (0.06) | 39.50 (0.09) | 39.50 (0.08) | 39.51 | 39.51 (0.06) | 39.50 (0.08) | |
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 169.0427244 (0.04) | 169.1132065 (0.08) | 169.043 (0.04) | 169.1132065 | ||||
| Proper motion (declination) | [mas/yr] | -65.89185324 (0.05) | -65.7835766 (0.09) | -65.892 (0.05) | -65.7835766 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.51 | ||||||||
| V magnitude | 16.22 | ||||||||
| R magnitude | 16.04 | ||||||||
| I magnitude | 15.84 | ||||||||
| J magnitude | 15.63 | 15.63 (0.06) | |||||||
| H magnitude | 15.40 | 15.40 (0.09) | |||||||
| K magnitude | 15.59 | 15.59 (0.2) | |||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 16.15 (0.003) | 16.17 | 16.15 | 16.15 (0.003) | 16.17 | ||||
| BP magnitude | 16.30 (0.003) | 16.31 | 16.31 | ||||||
| RP magnitude | 15.88 (0.004) | 15.89 | 15.89 | ||||||
| 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.