All names: RE J031704-853235, 1RXS J031713.9-853231, Gaia DR2 4613612951211823104, WD 0316-849, WDS J03173-8532B, V* CL Oct, 2RE J031701-853241, 2EUVE J0317-85.5, WD 0325-857, UCAC3 9-2532, ** SLN 60B, [BTR99] J031720.0-853229, 2MASS J03171580-8532254, WDJ031715.85-853225.56, 2RE J0317-853, RBS 407, Gaia DR3 4613612951211823104, TIC 267166357, 031715.85-853225.56, EUVE J0317-85.5, Gaia EDR3 4613612951211823104, RE J0317853, UCAC4 023-001231, RE J0317-853
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Gaia DR2 | Stilism | Ferrario et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 17 14.83 (0.03) | 03 17 14.87 (0.04) | 03 17 14.83 | 03 17 15.85 (0.03) | 03 17 14.87 | 03 17 04.10 | |||||
| Declination | -85 32 25.75 (0.03) | -85 32 25.74 (0.04) | -85 32 25.75 | -85 32 25.56 (0.03) | -85 32 25.74 | -85 32 31.92 | |||||
| Spectral type | DAH | DAH | DA | DA | DAP | DAp | |||||
| Effective temperature | [K] | 26465.0 (1368) | 26470.0 (1370) | 33000.0 | 32184.0 (860) | ||||||
| log(g) | [cgs] | 9.17 (0.05) | 9.17 (0.05) | 9.35 (0.02) | |||||||
| Mass | [M☉] | 1.267 (0.02) | 1.34 (0.03) | 1.321 (0.006) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 34.04 (0.03) | 34.04 (0.03) | 34.04 (0.03) | 33.85 (0.05) | 34.04 | 34.04 (0.03) | 33.85 (0.05) | |||
| Distance | [pc] | 29.38 (0.02) | 29.38 (0.03) | 29.38 (0.03) | 29.54 (0.04) | 29.38 | 29.38 (0.02) | 29.54 (0.04) | |||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -73.81756932 (0.03) | -73.70036253 (0.08) | -73.818 (0.03) | -73.70036253 | ||||||
| Proper motion (declination) | [mas/yr] | -12.01064209 (0.03) | -11.8153427 (0.07) | -12.011 (0.03) | -11.8153427 | ||||||
| Variability | |||||||||||
| Magnetic | yes | ||||||||||
| Bd | [MG] | 317.5 (225) | |||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 13.78 (0.01) | ||||||||||
| V magnitude | 13.66 (0.01) | ||||||||||
| R magnitude | 15.19 (0.2) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.27 (0.05) | ||||||||||
| H magnitude | 15.44 (0.1) | ||||||||||
| K magnitude | 15.51 (0.2) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | 13.65 (0.01) | ||||||||||
| r magnitude | 13.87 (0.01) | ||||||||||
| i magnitude | 14.19 (0.01) | ||||||||||
| z magnitude | |||||||||||
| G magnitude | 14.75 (0.009) | 14.78 | 14.75 | 14.75 (0.004) | 14.78 | ||||||
| BP magnitude | 14.62 (0.009) | 14.56 | 14.56 | ||||||||
| RP magnitude | 14.99 (0.008) | 14.99 | 14.99 | ||||||||
| 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.