NLTT 21580
All names: NLTT 21580, SDSS J092213.46+050438.2, GALEX J092213.4+050435, PM J09222+0504, LSPM J0922+0504, Gaia DR3 585488567401589248, 09222+0504, SDSS J092213.46+050438.3, J0922+0504, LP 547-35, WDJ092213.50+050438.31, Gaia EDR3 585488567401589248, Gaia DR2 585488567401589248, USNO-B1.0 0950-00175314
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 22 13.23 (0.1) | 09 22 13.24 (0.1) | 09 22 13.23 | 09 22 13.50 (0.1) | 09 22 13.24 | ||||||||
| Declination | 05 04 37.59 (0.1) | 05 04 37.61 (0.1) | 05 04 37.59 | 05 04 38.32 (0.1) | 05 04 37.61 | ||||||||
| Spectral type | DAH | DAH | DAH | DAH | DAH | DA | DAH | ||||||
| Effective temperature | [K] | 5760.0 (24) | 5754.0 (23) | 5759.0 (24) | 5694.0 | 5910.0 (77) | 5878.0 (68) | ||||||
| log(g) | [cgs] | 8.15 (0.01) | 8.15 (0.01) | 8.15 (0.01) | 8.12 | 8.00 (0) | 8.22 (0.02) | ||||||
| Mass | [M☉] | 0.683 (0.01) | 0.678 (0.01) | 0.677 (0.01) | 0.658 | 0.59 (0.1) | 0.724 (0.02) | ||||||
| log(Luminosity) | [L☉] | -3.75 | |||||||||||
| Cooling age | [Gyr] | 3.8700 | 3.5840 | ||||||||||
| 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] | 19.63 (0.1) | 19.52 (0.2) | 19.52 (0.2) | 19.63 | 19.63 (0.1) | 19.52 (0.2) | ||||||
| Distance | [pc] | 50.94 (0.4) | 51.23 (0.4) | 51.22 (0.4) | 59.30 (7) | 50.94 | 50.94 (0.4) | 51.22 (0.4) | |||||
| Composition | H | H | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -251.7224235 (0.1) | -251.4591742 (0.3) | -248.0 | -251.722 (0.1) | -251.4591742 | |||||||
| Proper motion (declination) | [mas/yr] | -45.40972624 (0.1) | -45.31153784 (0.2) | -43.0 | -45.41 (0.1) | -45.31153784 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 18.10 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 17.40 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.95 (0.02) | ||||||||||||
| H magnitude | 16.68 (0.04) | ||||||||||||
| K magnitude | 16.54 (0.04) | ||||||||||||
| u magnitude | 19.42 (0.03) | 19.37 | 19.41 (0.03) | 19.41 (0.03) | |||||||||
| g magnitude | 18.39 | 18.39 (0.007) | 18.39 (0.007) | ||||||||||
| r magnitude | 17.95 | 17.95 (0.006) | 17.95 (0.006) | ||||||||||
| i magnitude | 17.79 | 17.80 (0.007) | 17.80 (0.007) | ||||||||||
| z magnitude | 17.73 | 17.73 (0.02) | 17.73 (0.02) | ||||||||||
| G magnitude | 17.95 (0.02) | 17.98 | 17.95 | 17.95 (0.003) | 17.98 | ||||||||
| BP magnitude | 18.31 (0.02) | 18.34 | 18.34 | ||||||||||
| RP magnitude | 17.47 (0.01) | 17.44 | 17.44 | ||||||||||
| Pan g magnitude | 18.34 (0.007) | 18.34 (0.006) | |||||||||||
| Pan r magnitude | 17.94 (0.003) | 17.94 (0.003) | |||||||||||
| Pan i magnitude | 17.79 (0.007) | 17.79 (0.006) | |||||||||||
| Pan z magnitude | 17.76 (0.005) | 17.76 (0.006) | |||||||||||
| Pan y magnitude | 17.73 (0.01) | 17.73 (0.01) | |||||||||||
| E(B-V) | 0.001 | ||||||||||||
* Constant surface field
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