All names: ** SLN 60A, EQ J0317-855, WDS J03173-8532A, LB 9802, 2MASS J03171915-8532312, WD 0317-855J, UCAC4 023-001232, Gaia EDR3 4613612951211823616, WDJ031719.13-853231.29, 031719.13-853231.29, WDJ031719.13-853231.28, TIC 267166358, Gaia DR3 4613612951211823616, Gaia DR2 4613612951211823616, WD 0325-857
| 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 | 03 17 18.28 (0.02) | 03 17 18.31 | 03 17 18.28 | 03 17 19.13 (0.02) | 03 17 18.31 | ||||
| Declination | -85 32 31.65 (0.02) | -85 32 31.64 | -85 32 31.65 | -85 32 31.29 (0.02) | -85 32 31.64 | ||||
| Spectral type | DA | DA | DA | DA | |||||
| Effective temperature | [K] | 16534.0 (287) | 16530.0 (290) | 16513.0 (116) | |||||
| log(g) | [cgs] | 8.38 (0.02) | 8.38 (0.02) | 8.38 (0.005) | |||||
| Mass | [M☉] | 0.851 (0.01) | 0.854 (0.004) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 34.02 (0.02) | 34.02 (0.02) | 34.02 (0.02) | 33.86 (0.04) | 34.02 | 34.02 (0.02) | 33.86 (0.04) | |
| Distance | [pc] | 29.39 (0.02) | 29.39 (0.02) | 29.39 (0.02) | 29.53 (0.03) | 29.39 | 29.39 (0.02) | 29.53 (0.03) | |
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -61.77217653 (0.02) | -61.76685556 (0.06) | -61.772 (0.02) | -61.76685556 | ||||
| Proper motion (declination) | [mas/yr] | -22.36577522 (0.02) | -22.36039774 (0.06) | -22.366 (0.02) | -22.36039774 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 13.78 (0.01) | ||||||||
| V magnitude | 13.66 (0.01) | ||||||||
| R magnitude | 14.43 (0.1) | ||||||||
| I magnitude | |||||||||
| J magnitude | 14.47 (0.04) | ||||||||
| H magnitude | 14.44 (0.05) | ||||||||
| K magnitude | 14.55 (0.1) | ||||||||
| u magnitude | |||||||||
| g magnitude | 13.65 (0.01) | ||||||||
| r magnitude | 13.87 (0.01) | ||||||||
| i magnitude | 14.19 (0.01) | ||||||||
| z magnitude | |||||||||
| G magnitude | 14.08 (0.0009) | 14.09 | 14.08 | 14.08 (0.003) | 14.09 | ||||
| BP magnitude | 14.03 (0.0009) | 14.01 | 14.01 | ||||||
| RP magnitude | 14.21 (0.001) | 14.21 | 14.21 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.001 | ||||||||
* 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.