NLTT 18922
All names: SDSS J080527.56+073534.2, J0805+0735, WDJ080527.58+073535.64, SDSS J080527.54+073533.3, TIC 443854829, SDSS J080527.54+073533.4, Gaia EDR3 3145802036649641472, 2MASS J08052755+0735355, PM J08054+0735, NLTT 18922, GALEX J080527.5+073533, 08054+0735, PSO J121.3646+07.5918, USNO-B1.0 0975-00190004, LSPM J0805+0735, SDSS J080527.56+073534.1, Gaia DR2 3145802036649641472, Gaia DR3 3145802036649641472, WIRED J080527.55+073534.1, LP 544-20
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | 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 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 05 27.49 (0.08) | 08 05 27.54 | 08 05 27.49 (0.1) | 08 05 27.49 (0.1) | 08 05 27.49 | 08 05 27.58 (0.08) | 08 05 27.49 | 08 05 27.56 | |||||||||||
| Declination | 07 35 29.57 (0.06) | 07 35 33.38 | 07 35 29.76 (0.06) | 07 35 29.76 (0.06) | 07 35 29.57 | 07 35 35.64 (0.06) | 07 35 29.76 | 07 35 34.16 | |||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DAH | DA | DAH | DA | ||||||
| Effective temperature | [K] | 5397.0 (17) | 5339.0 (67) | 5378.0 (16) | 5397.0 (17) | 5347.9 (36) | 5370.0 (35) | 5386.0 | 5370.0 (45) | 5492.0 (41) | 6300.0 (3) | ||||||||
| log(g) | [cgs] | 8.14 (0.007) | 8.10 (0.05) | 8.13 (0.008) | 8.13 (0.007) | 8.11 (0.03) | 8.12 (0.02) | 8.13 | 8.00 (0) | 8.19 (0.02) | 10.00 (0.006) | ||||||||
| Mass | [M☉] | 0.669 (0.007) | 0.641 (0.03) | 0.665 (0.007) | 0.667 (0.007) | 0.66 (0.01) | 0.663 | 0.58 (0.1) | 0.701 (0.01) | ||||||||||
| log(Luminosity) | [L☉] | -3.92 | |||||||||||||||||
| Cooling age | [Gyr] | 5.1900 | 5.1130 (0.3) | 5.0580 | |||||||||||||||
| 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] | 29.08 (0.1) | 29.08 (0.1) | 29.06 (0.1) | 29.06 (0.1) | 29.06 (0.1) | 29.06 (0.1) | 29.08 | 29.08 (0.1) | 29.06 (0.1) | |||||||||
| Distance | [pc] | 34.38 (0.1) | 34.39 (0.1) | 34.41 (0.2) | 34.41 (0.2) | 34.41 (0.2) | 34.41 (0.2) | 37.00 (4) | 34.38 | 34.38 (0.1) | 34.41 (0.2) | ||||||||
| Composition | H | H | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -79.99747113 (0.1) | -80.15028446 (0.2) | -75.0 | -79.997 (0.1) | -80.15 | |||||||||||||
| Proper motion (declination) | [mas/yr] | -379.4759362 (0.08) | -379.359934 (0.1) | -370.0 | -379.476 (0.08) | -379.36 | |||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | 17.80 | ||||||||||||||||||
| V magnitude | |||||||||||||||||||
| R magnitude | 17.00 | ||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 16.25 (0.01) | 16.24 (0.1) | 16.24 | 16.24 (0.1) | |||||||||||||||
| H magnitude | 15.96 (0.2) | 15.96 (0.2) | 15.95 | 15.96 (0.2) | |||||||||||||||
| K magnitude | 15.59 (0.2) | 15.59 (0.2) | 15.59 | 15.59 (0.2) | |||||||||||||||
| u magnitude | 19.20 (0.02) | 19.23 (0.03) | 19.21 | 19.20 (0.02) | 19.20 (0.02) | 19.19 (0.03) | |||||||||||||
| g magnitude | 17.90 (0.006) | 17.89 | 17.83 (0.008) | 17.89 (0.006) | 17.89 (0.01) | ||||||||||||||
| r magnitude | 17.34 (0.005) | 17.34 | 17.34 (0.003) | 17.34 (0.005) | 17.33 (0.01) | ||||||||||||||
| i magnitude | 17.13 (0.006) | 17.11 | 17.14 (0.002) | 17.13 (0.006) | 17.12 (0.01) | ||||||||||||||
| z magnitude | 17.06 (0.01) | 17.02 | 17.10 (0.002) | 17.06 (0.01) | 17.08 (0.02) | ||||||||||||||
| G magnitude | 17.36 (0.01) | 17.37 | 17.37 | 17.36 | 17.36 (0.003) | 17.37 | |||||||||||||
| BP magnitude | 17.77 (0.01) | 17.76 | 17.76 | ||||||||||||||||
| RP magnitude | 16.80 (0.009) | 16.80 | 16.80 | ||||||||||||||||
| Pan g magnitude | 17.83 (0.007) | 17.83 (0.008) | 17.83 (0.008) | ||||||||||||||||
| Pan r magnitude | 17.34 (0.003) | 17.34 (0.003) | 17.34 (0.003) | ||||||||||||||||
| Pan i magnitude | 17.14 (0.003) | 17.14 (0.002) | 17.14 (0.002) | ||||||||||||||||
| Pan z magnitude | 17.10 (0.002) | 17.10 (0.002) | 17.10 (0.002) | ||||||||||||||||
| Pan y magnitude | 17.07 (0.004) | 17.07 (0.005) | 17.07 (0.005) | ||||||||||||||||
| E(B-V) | 0.000 | ||||||||||||||||||
* Constant surface field
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