WD 0031+150
All names: USNO-B1.0 1053-00006147, Gaia DR3 2780524585769652736, Gaia DR2 2780524585769652736, SDSS J003426.93+151801.8, NLTT 1849, WD 0031+150, G32-33, J0034+1517, SDSS J003426.93+151801.5, 2MASS J00342690+1518017, TIC 397560454, PSO J008.6122+15.2995, SDSS J003426.93+151801.7, LSPM J0034+1518, G 32-33, WDJ003426.93+151801.70, SDSS J003426.92+151801.4, SDSS J003426.92+151801.7, Gaia EDR3 2780524585769652736
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 00 34 26.94 (0.05) | 00 34 26.93 | 00 34 26.94 (0.08) | 00 34 26.94 | 00 34 26.93 (0.05) | 00 34 26.94 | 00 34 26.93 | 00 34 27.38 | 00 34 26.93 | 00 34 26.93 | |||||||||||
| Declination | 15 17 58.14 (0.04) | 15 18 01.50 | 15 17 58.25 (0.07) | 15 17 58.14 | 15 18 01.70 (0.04) | 15 17 58.25 | 15 18 01.75 | 15 18 07.56 | 15 18 01.77 | 15 18 01.76 | |||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA7.5 | DA | DA | DA7 | DA | DA | |||||||
| Effective temperature | [K] | 6902.0 (36) | 6876.0 (27) | 6902.0 (36) | 6830.0 (65) | 6863.0 | 6980.0 (117) | 6930.0 (20) | 6866.0 (39) | 7640.0 (19) | 6849.0 (23) | 7656.0 (19) | |||||||||
| log(g) | [cgs] | 8.03 (0.009) | 8.02 (0.008) | 8.03 (0.009) | 8.02 (0.02) | 8.02 | 8.07 (0.1) | 7.97 (0.05) | 8.02 (0.01) | 9.00 (0.006) | 7.89 (0.04) | 9.00 (0) | |||||||||
| Mass | [M☉] | 0.61 (0.008) | 0.602 (0.007) | 0.61 (0.009) | 0.601 (0.01) | 0.602 | 0.64 (0.08) | 0.57 (0.03) | 0.604 (0.009) | ||||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||||||
| Cooling age | [Gyr] | 1.6900 | 1.6570 (0.07) | 1.6400 | 1.5136 | ||||||||||||||||
| 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] | 22.34 (0.07) | 22.34 (0.1) | 22.34 (0.1) | 22.34 (0.1) | 22.34 | 22.34 (0.07) | 22.34 (0.1) | |||||||||||||
| Distance | [pc] | 44.77 (0.1) | 44.76 (0.2) | 44.76 (0.2) | 44.76 (0.2) | 43.00 | 44.77 | 44.77 (0.1) | 44.76 (0.2) | ||||||||||||
| Composition | H | H | H | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.097408673 (0.07) | 7.159805122 (0.2) | 7.097 (0.07) | 7.16 | 3.1 | -1.0 | ||||||||||||||
| Proper motion (declination) | [mas/yr] | -222.2033486 (0.06) | -222.1193126 (0.1) | -222.203 (0.06) | -222.119 | -223.4 | -223.0 | ||||||||||||||
| Variability | |||||||||||||||||||||
| Magnetic | |||||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||
| Binarity | |||||||||||||||||||||
| B magnitude | 17.90 | ||||||||||||||||||||
| V magnitude | |||||||||||||||||||||
| R magnitude | 16.60 | ||||||||||||||||||||
| I magnitude | |||||||||||||||||||||
| J magnitude | 16.08 (0.01) | 16.08 (0.1) | 16.07 (0.01) | ||||||||||||||||||
| H magnitude | 15.86 (0.02) | 15.94 (0.2) | 15.86 (0.02) | ||||||||||||||||||
| K magnitude | 15.83 (0.03) | 15.52 (0.2) | 15.83 (0.03) | ||||||||||||||||||
| u magnitude | 17.56 (0.01) | 17.55 (0.009) | 17.56 (0.01) | 17.54 (0.009) | 17.56 (0.02) | 17.55 | 17.57 (0.02) | 17.54 (0.02) | |||||||||||||
| g magnitude | 16.99 (0.004) | 16.98 (0.008) | 16.99 (0.004) | 16.99 (0.02) | 16.98 | 16.98 (0.02) | 16.99 (0.02) | ||||||||||||||
| r magnitude | 16.78 (0.005) | 16.81 (0.003) | 16.79 (0.004) | 16.82 (0.01) | 16.81 | 16.80 (0.01) | 16.81 (0.01) | ||||||||||||||
| i magnitude | 16.75 (0.005) | 16.77 (0.003) | 16.75 (0.004) | 16.74 (0.01) | 16.74 | 16.74 (0.01) | 16.74 (0.01) | ||||||||||||||
| z magnitude | 16.77 (0.01) | 16.80 (0.006) | 16.76 (0.01) | 16.79 (0.03) | 16.79 | 16.79 (0.03) | 16.81 (0.03) | ||||||||||||||
| G magnitude | 16.78 (0.005) | 16.80 | 16.78 | 16.78 (0.003) | 16.80 | ||||||||||||||||
| BP magnitude | 16.99 (0.005) | 16.98 | 16.98 | ||||||||||||||||||
| RP magnitude | 16.44 (0.004) | 16.44 | 16.44 | ||||||||||||||||||
| Pan g magnitude | 16.98 (0.008) | 16.98 (0.008) | 16.98 (0.008) | ||||||||||||||||||
| Pan r magnitude | 16.81 (0.003) | 16.81 (0.003) | 16.81 (0.003) | ||||||||||||||||||
| Pan i magnitude | 16.77 (0.003) | 16.77 (0.003) | 16.77 (0.003) | ||||||||||||||||||
| Pan z magnitude | 16.80 (0.006) | 16.80 (0.006) | 16.80 (0.006) | ||||||||||||||||||
| Pan y magnitude | 16.82 (0.008) | 16.82 (0.006) | 16.82 (0.006) | ||||||||||||||||||
| E(B-V) | 0.002 | ||||||||||||||||||||
* Constant surface field
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