NLTT 22401
All names: 09432+5134, NLTT 22401, USNO-B1.0 1415-00213882, WD 0939+518, PM J09432+5134, Gaia DR2 1020076452450631296, TIC 357167603, 2MASS J09431656+5134404, Gaia DR3 1020076452450631296, LP 126-40, SDSS J094316.61+513440.8, Gaia EDR3 1020076452450631296, J0943+5134, WDJ094316.59+513441.34, LSPM J0943+5134, PSO J145.8198+51.5771
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | 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 | 09 43 16.81 (0.09) | 09 43 16.80 (0.1) | 09 43 16.81 | 09 43 16.59 (0.09) | 09 43 16.80 | 09 43 16.75 | |||||||||
| Declination | 51 34 37.17 (0.08) | 51 34 37.30 (0.1) | 51 34 37.17 | 51 34 41.33 (0.08) | 51 34 37.30 | 51 34 33.24 | |||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | DC | ||||||
| Effective temperature | [K] | 4815.0 (22) | 4848.0 (22) | 4800.0 (25) | 4817.0 | 4495.0 | 4800.0 (75) | 4877.0 (45) | |||||||
| log(g) | [cgs] | 7.83 (0.01) | 7.86 (0.01) | 7.82 (0.03) | 7.83 | 7.59 | 8.00 (0) | 7.89 (0.02) | |||||||
| Mass | [M☉] | 0.482 (0.01) | 0.498 (0.01) | 0.473 (0.01) | 0.479 | 0.352 | 0.58 (0.1) | 0.512 (0.02) | |||||||
| log(Luminosity) | [L☉] | -4.12 | |||||||||||||
| Cooling age | [Gyr] | 5.0300 | 4.5380 (0.3) | 4.5750 | 3.4600 | ||||||||||
| 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] | 21.67 (0.1) | 21.59 (0.2) | 21.59 (0.2) | 21.59 (0.2) | 21.67 | 21.67 (0.1) | 21.59 (0.2) | |||||||
| Distance | [pc] | 46.14 (0.3) | 46.32 (0.4) | 46.33 (0.4) | 46.33 (0.4) | 41.90 (5) | 46.14 | 46.14 (0.3) | 46.33 (0.4) | ||||||
| Composition | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 126.7286481 (0.1) | 126.355662 (0.2) | 126.729 (0.1) | 126.355662 | ||||||||||
| Proper motion (declination) | [mas/yr] | -260.3821133 (0.1) | -260.4738016 (0.3) | -260.382 (0.1) | -260.4738016 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 19.10 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 17.50 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.72 (0.05) | 16.68 (0.1) | 16.68 | 16.72 (0.05) | |||||||||||
| H magnitude | 16.61 (0.06) | 16.60 (0.3) | 16.60 | 16.61 (0.06) | |||||||||||
| K magnitude | 16.53 (0.06) | 16.07 | 16.53 (0.06) | ||||||||||||
| u magnitude | 20.61 (0.08) | 20.77 | 20.63 (0.08) | 20.55 (0.06) | 20.52 | ||||||||||
| g magnitude | 18.89 | 18.80 (0.009) | 18.90 (0.009) | 18.89 | |||||||||||
| r magnitude | 18.14 | 18.11 (0.005) | 18.13 (0.007) | 18.13 | |||||||||||
| i magnitude | 17.83 | 17.83 (0.005) | 17.83 (0.008) | 17.84 | |||||||||||
| z magnitude | 17.72 | 17.73 (0.004) | 17.72 (0.02) | 17.75 | |||||||||||
| G magnitude | 18.16 (0.02) | 18.18 | 18.16 | 18.16 (0.003) | 18.18 | ||||||||||
| BP magnitude | 18.72 (0.02) | 18.72 | 18.72 | ||||||||||||
| RP magnitude | 17.50 (0.008) | 17.51 | 17.51 | ||||||||||||
| Pan g magnitude | 18.80 (0.008) | 18.80 (0.009) | 18.80 (0.009) | ||||||||||||
| Pan r magnitude | 18.11 (0.005) | 18.11 (0.006) | 18.11 (0.006) | ||||||||||||
| Pan i magnitude | 17.83 (0.004) | 17.83 (0.005) | 17.83 (0.005) | ||||||||||||
| Pan z magnitude | 17.73 (0.004) | 17.73 (0.004) | 17.73 (0.004) | ||||||||||||
| Pan y magnitude | 17.69 (0.007) | 17.69 (0.007) | 17.69 (0.007) | ||||||||||||
| E(B-V) | 0.001 | ||||||||||||||
* Constant surface field
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