WD 2340-102
All names: 2MASS J23424576-1001209, TIC 9030028, PSO J355.6905-10.0229, WD 2340-102, SDSS J234245.75-100121.4, SDSS J234245.76-100121.3, WDJ234245.76-100121.24, Gaia EDR3 2435433202010203264, Gaia DR3 2435433202010203264, J2342-1001, SDSS J234245.75-100121.3, Gaia DR2 2435433202010203264
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 42 45.73 (0.1) | 23 42 45.74 (0.2) | 23 42 45.73 | 23 42 45.76 (0.1) | 23 42 45.74 | 23 42 45.74 | ||||||||
| Declination | -10 01 22.68 (0.1) | -10 01 22.63 (0.2) | -10 01 22.68 | -10 01 21.24 (0.1) | -10 01 22.63 | -10 01 14.88 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA: | DA | DA10.7 | ||||||
| Effective temperature | [K] | 4944.0 (28) | 4925.0 (28) | 4942.0 (28) | 4980.0 (45) | 5003.0 | 5058.0 (82) | |||||||
| log(g) | [cgs] | 7.92 (0.02) | 7.89 (0.02) | 7.90 (0.02) | 7.93 (0.03) | 7.94 | 8.01 (0.04) | |||||||
| Mass | [M☉] | 0.534 (0.01) | 0.515 (0.01) | 0.521 (0.01) | 0.539 (0.02) | 0.545 | 0.585 (0.03) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 4.9300 | 4.9380 (0.5) | 4.9390 | ||||||||||
| 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] | 20.57 (0.2) | 20.31 (0.2) | 20.31 (0.2) | 20.31 (0.2) | 20.57 | 20.57 (0.2) | 20.31 (0.2) | ||||||
| Distance | [pc] | 48.61 (0.4) | 49.24 (0.5) | 49.24 (0.5) | 49.24 (0.5) | 48.61 | 48.61 (0.4) | 49.24 (0.5) | ||||||
| Composition | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -21.98224816 (0.2) | -21.58959407 (0.5) | -21.982 (0.2) | -21.58959407 | |||||||||
| Proper motion (declination) | [mas/yr] | -89.60472894 (0.2) | -89.51638872 (0.3) | -89.605 (0.2) | -89.51638872 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 17.08 (0.06) | 16.84 (0.2) | 17.08 (0.06) | |||||||||||
| H magnitude | 16.90 (0.06) | 16.58 (0.3) | 16.90 (0.06) | |||||||||||
| K magnitude | 16.79 (0.07) | 16.79 (0.07) | ||||||||||||
| u magnitude | 20.68 (0.07) | 20.67 (0.07) | 20.67 (0.07) | 20.35 | ||||||||||
| g magnitude | 18.94 (0.009) | 18.94 (0.009) | 18.83 | |||||||||||
| r magnitude | 18.23 (0.004) | 18.23 (0.007) | 18.12 | |||||||||||
| i magnitude | 17.96 (0.005) | 17.95 (0.008) | 17.86 | |||||||||||
| z magnitude | 17.87 (0.008) | 17.83 (0.02) | 17.82 | |||||||||||
| G magnitude | 18.26 (0.02) | 18.28 | 18.26 | 18.26 (0.003) | 18.28 | |||||||||
| BP magnitude | 18.74 (0.02) | 18.78 | 18.78 | |||||||||||
| RP magnitude | 17.63 (0.01) | 17.63 | 17.63 | |||||||||||
| Pan g magnitude | 18.81 (0.01) | 18.81 (0.01) | 18.81 (0.01) | |||||||||||
| Pan r magnitude | 18.23 (0.004) | 18.23 (0.004) | 18.23 (0.004) | |||||||||||
| Pan i magnitude | 17.96 (0.004) | 17.96 (0.005) | 17.96 (0.005) | |||||||||||
| Pan z magnitude | 17.87 (0.006) | 17.87 (0.008) | 17.88 (0.008) | |||||||||||
| Pan y magnitude | 17.82 (0.01) | 17.82 (0.009) | 17.82 (0.009) | |||||||||||
| E(B-V) | 0.001 | |||||||||||||
* Constant surface field
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