LAMOST J074020.18+272724.2
All names: SDSS J074020.19+272725.7, Gaia DR3 872214953381370624, GALEX J074020.1+272726, SDSS J074020.20+272725.8, Gaia EDR3 872214953381370624, SDSS J074020.19+272725.8, Gaia DR2 872214953381370624, SDSS J074020.20+272725.78, LAMOST J074020.18+272724.2, SDSS J074020.20+272725.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 40 20.19 (0.08) | 07 40 20.20 | 07 40 20.19 (0.1) | 07 40 20.19 | 07 40 20.20 (0.08) | |||||||
| Declination | 27 27 25.70 (0.06) | 27 27 25.80 | 27 27 25.70 (0.09) | 27 27 25.70 | 27 27 25.80 (0.06) | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 18765.0 | 22135.0 (79) | 22014.0 (752) | ||||||||
| log(g) | [cgs] | 7.78 | 8.05 (0.01) | 7.97 (0.04) | ||||||||
| Mass | [M☉] | 0.507 | 0.652 (0.005) | 0.612 (0.03) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0568 | ||||||||||
| 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] | 5.09 (0.09) | 5.08 (0.1) | 5.09 | 5.09 (0.09) | |||||||
| Distance | [pc] | 196.54 (4) | 196.90 (6) | 196.54 | 196.54 (4) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.841762736 (0.1) | -3.10766824 (0.2) | -2.842 (0.1) | ||||||||
| Proper motion (declination) | [mas/yr] | -6.53846979 (0.07) | -6.43654435 (0.2) | -6.538 (0.07) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 17.59 (0.02) | |||||||||||
| H magnitude | 17.76 (0.09) | |||||||||||
| K magnitude | 17.60 (0.1) | |||||||||||
| u magnitude | 16.89 (0.008) | 16.90 (0.01) | 16.89 (0.008) | |||||||||
| g magnitude | 16.85 (0.004) | 16.86 (0.01) | 16.85 (0.004) | |||||||||
| r magnitude | 17.23 (0.005) | 17.24 (0.01) | 17.23 (0.005) | |||||||||
| i magnitude | 17.54 (0.007) | 17.55 (0.02) | 17.54 (0.007) | |||||||||
| z magnitude | 17.82 (0.02) | 17.82 (0.02) | 17.82 (0.02) | |||||||||
| G magnitude | 17.05 (0.006) | 17.08 | 17.05 | 17.05 (0.003) | ||||||||
| BP magnitude | 16.98 (0.006) | 16.93 | ||||||||||
| RP magnitude | 17.26 (0.01) | 17.28 | ||||||||||
| Pan g magnitude | 16.89 (0.004) | |||||||||||
| Pan r magnitude | 17.24 (0.002) | |||||||||||
| Pan i magnitude | 17.55 (0.003) | |||||||||||
| Pan z magnitude | 17.82 (0.008) | |||||||||||
| Pan y magnitude | 17.96 (0.01) | |||||||||||
| E(B-V) | 0.010 | |||||||||||
* Constant surface field
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