GJ 3031
All names: Gaia DR2 385105360675267840, GALEX J002215.0+423639, PSO J005.5622+42.6105, NLTT 1139, LSPM J0022+4236, WD 0019+42, J0022+4236, USNO-B1.0 1326-00008914, Gaia DR3 385105360675267840, PM J00222+4236, GJ 3031, Gaia EDR3 385105360675267840, 00222+4236, WDJ002215.19+423642.15, TIC 440160112, WD 0019+423, G 171-52, EGGR 459, 2MASS J00221520+4236425
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 22 14.92 (0.04) | 00 22 14.93 (0.05) | 00 22 14.93 (0.05) | 00 22 14.92 | 00 22 15.19 (0.04) | 00 22 14.93 | 00 22 15.34 | ||||||||
| Declination | 42 36 37.82 (0.03) | 42 36 37.95 (0.03) | 42 36 37.95 (0.03) | 42 36 37.82 | 42 36 42.15 (0.03) | 42 36 37.95 | 42 36 50.04 | ||||||||
| Spectral type | DC | DC | DC | DA | DA | DA | DA | DC9 | DC9 | ||||||
| Effective temperature | [K] | 5625.0 (30) | 5357.0 (14) | 5572.3 (16) | 5700.0 (25) | 5723.0 | 5590.0 (782) | 5801.0 (17) | |||||||
| log(g) | [cgs] | 7.58 (0.02) | 7.33 (0.006) | 7.58 (0.01) | 7.59 (0.02) | 7.59 | 8.00 (0) | 7.61 (0.007) | |||||||
| Mass | [M☉] | 0.388 (0.008) | 0.256 (0.003) | 0.371 (0.007) | 0.374 | 0.58 (0.1) | 0.382 (0.005) | ||||||||
| log(Luminosity) | [L☉] | -3.85 | |||||||||||||
| Cooling age | [Gyr] | 1.6400 | 1.4920 (0.03) | 1.4880 | |||||||||||
| log(H/He) | |||||||||||||||
| log(C/He) | |||||||||||||||
| log(Ca/He) | |||||||||||||||
| log(Ca/H) | |||||||||||||||
| log(N/He) | |||||||||||||||
| log(O/He) | |||||||||||||||
| log(Na/He) | |||||||||||||||
| log(Mg/He) | |||||||||||||||
| log(Al/He) | |||||||||||||||
| log(Si/He) | |||||||||||||||
| log(P/He) | |||||||||||||||
| log(S/He) | |||||||||||||||
| log(Cl/He) | |||||||||||||||
| log(Sc/He) | |||||||||||||||
| log(Ti/He) | |||||||||||||||
| log(V/He) | |||||||||||||||
| log(Cr/He) | |||||||||||||||
| log(Mn/He) | |||||||||||||||
| log(Fe/He) | |||||||||||||||
| log(Co/He) | |||||||||||||||
| log(Ni/He) | |||||||||||||||
| log(Cu/He) | |||||||||||||||
| log(Zn/He) | |||||||||||||||
| log(Ga/He) | |||||||||||||||
| log(Ge/He) | |||||||||||||||
| log(Sr/He) | |||||||||||||||
| Parallax | [mas] | 28.99 (0.05) | 28.99 (0.05) | 29.32 (0.06) | 29.32 (0.06) | 29.32 (0.06) | 29.32 (0.06) | 28.99 | 28.99 (0.05) | 29.32 (0.06) | |||||
| Distance | [pc] | 34.49 (0.06) | 34.49 (0.06) | 34.11 (0.07) | 34.11 (0.07) | 34.11 (0.07) | 34.11 (0.07) | 12.90 (3) | 34.49 | 34.49 (0.06) | 34.11 (0.07) | ||||
| Composition | He | He | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -184.4473911 (0.04) | -184.6710344 (0.08) | -184.447 (0.04) | -184.6710344 | ||||||||||
| Proper motion (declination) | [mas/yr] | -271.17449 (0.03) | -270.8237075 (0.04) | -271.174 (0.03) | -270.8237075 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 17.22 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 16.60 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 15.38 (0.007) | 15.34 (0.05) | 15.34 (0.05) | ||||||||||||
| H magnitude | 15.12 (0.07) | 15.12 (0.07) | 15.12 (0.07) | ||||||||||||
| K magnitude | 14.94 (0.1) | 14.94 (0.1) | 14.94 (0.1) | ||||||||||||
| u magnitude | |||||||||||||||
| g magnitude | 16.75 (0.0001) | ||||||||||||||
| r magnitude | 16.35 (0.002) | ||||||||||||||
| i magnitude | 16.21 (0.003) | ||||||||||||||
| z magnitude | 16.17 (0.005) | ||||||||||||||
| G magnitude | 16.37 (0.003) | 16.38 | 16.38 | 16.37 | 16.37 (0.003) | 16.38 | |||||||||
| BP magnitude | 16.70 (0.003) | 16.72 | 16.72 | ||||||||||||
| RP magnitude | 15.86 (0.002) | 15.87 | 15.87 | ||||||||||||
| Pan g magnitude | 16.77 (0.002) | 16.75 (0) | 16.75 (0) | ||||||||||||
| Pan r magnitude | 16.36 (0.002) | 16.35 (0.002) | 16.35 (0.002) | ||||||||||||
| Pan i magnitude | 16.21 (0.002) | 16.21 (0.003) | 16.21 (0.003) | ||||||||||||
| Pan z magnitude | 16.18 (0.004) | 16.17 (0.005) | 16.17 (0.005) | ||||||||||||
| Pan y magnitude | 16.16 (0.006) | 16.18 (0.001) | 16.18 (0.001) | ||||||||||||
| E(B-V) | 0.001 | ||||||||||||||
* Constant surface field
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