All names: 2MASS J03171209-2911337, LHS 5070, Gaia EDR3 5058635403471767680, LEHPM 3221, Gaia DR2 5058635403471767680, Gaia DR3 5058635403471767680, J0317-2911, WDJ031712.10-291134.21, TIC 144480642, LP 887-66, WD 0315-293, NLTT 10480
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Gaia DR2 | Stilism | Ferrario et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 17 12.31 (0.03) | 03 17 12.30 (0.04) | 03 17 12.31 | 03 17 12.10 (0.03) | 03 17 12.30 | ||||||
| Declination | -29 11 41.72 (0.05) | -29 11 41.49 (0.06) | -29 11 41.72 | -29 11 34.21 (0.05) | -29 11 41.49 | ||||||
| Spectral type | DAZH | DAZ | DAZ | DA | DAZ | ||||||
| Effective temperature | [K] | 5367.0 (39) | 5486.0 (26) | 5340.0 (190) | 5437.0 (21) | ||||||
| log(g) | [cgs] | 8.15 (0.03) | 8.22 (0.009) | 8.19 (0.009) | |||||||
| Mass | [M☉] | 0.68 (0.02) | 0.723 (0.008) | 0.58 | 0.704 (0.008) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 5.5300 | |||||||||
| 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] | 31.75 (0.07) | 31.75 (0.07) | 31.67 (0.08) | 31.67 (0.08) | 31.75 | 31.75 (0.07) | 31.67 (0.08) | |||
| Distance | [pc] | 31.50 (0.07) | 31.50 (0.07) | 31.58 (0.08) | 31.58 (0.08) | 31.50 | 31.50 (0.07) | 31.58 (0.08) | |||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 174.8721549 (0.04) | 174.8808507 (0.09) | 174.872 (0.04) | 174.8808507 | ||||||
| Proper motion (declination) | [mas/yr] | -469.3965016 (0.06) | -469.4820453 (0.1) | -469.397 (0.06) | -469.4820453 | ||||||
| Variability | |||||||||||
| Magnetic | yes | ||||||||||
| Bd | [MG] | 0.5 * | |||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 17.60 | ||||||||||
| V magnitude | 17.49 (0.05) | ||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.00 (0.08) | 16.00 (0.08) | |||||||||
| H magnitude | 15.84 (0.2) | 15.84 (0.2) | |||||||||
| K magnitude | 15.76 (0.01) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 17.23 (0.006) | 17.24 | 17.23 | 17.23 (0.003) | 17.24 | ||||||
| BP magnitude | 17.63 (0.006) | 17.65 | 17.65 | ||||||||
| RP magnitude | 16.66 (0.003) | 16.66 | 16.66 | ||||||||
| Pan g magnitude | 17.67 (0.009) | 17.67 (0.009) | |||||||||
| Pan r magnitude | 17.20 (0.005) | 17.20 (0.005) | |||||||||
| Pan i magnitude | 17.00 (0.004) | 17.00 (0.004) | |||||||||
| Pan z magnitude | 16.96 (0.006) | 16.96 (0.005) | |||||||||
| Pan y magnitude | 16.94 (0.01) | 16.94 (0.01) | |||||||||
| 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.