SDSS J120247.83+314030.6
All names: GALEX J120247.8+314030, SDSS J120247.83+314030.6, SDSS J120247.84+314030.7, LAMOST J120247.83+314030.6, Gaia DR2 4026472672530656000, SDSS J120247.84+314030.6, Gaia DR3 4026472672530656000, Gaia EDR3 4026472672530656000
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 02 47.86 (0.2) | 12 02 47.84 | 12 02 47.86 (0.2) | 12 02 47.86 | 12 02 47.83 (0.2) | 12 02 47.84 | ||||||
| Declination | 31 40 30.47 (0.1) | 31 40 30.66 | 31 40 30.48 (0.1) | 31 40 30.47 | 31 40 30.77 (0.1) | 31 40 30.65 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 11850.0 | 12184.0 (715) | 12657.0 (213) | ||||||||
| log(g) | [cgs] | 7.84 | 7.92 (0.07) | 8.25 (0.07) | ||||||||
| Mass | [M☉] | 0.519 | 0.56 (0.05) | 0.751 (0.04) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3173 | ||||||||||
| 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] | 4.19 (0.2) | 4.08 (0.2) | 4.19 | 4.19 (0.2) | |||||||
| Distance | [pc] | 238.83 (10) | 245.24 (15) | 238.83 | 238.83 (10) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 25.19892919 (0.2) | 25.4701396 (0.4) | 25.199 (0.2) | ||||||||
| Proper motion (declination) | [mas/yr] | -18.74787532 (0.2) | -18.6164174 (0.3) | -18.748 (0.2) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 18.76 (0.02) | 18.76 (0.02) | 18.78 (0.03) | |||||||||
| g magnitude | 18.34 (0.007) | 18.34 (0.007) | 18.36 (0.02) | |||||||||
| r magnitude | 18.55 (0.009) | 18.55 (0.009) | 18.56 (0.02) | |||||||||
| i magnitude | 18.79 (0.01) | 18.79 (0.01) | 18.79 (0.02) | |||||||||
| z magnitude | 19.08 (0.06) | 19.08 (0.06) | 19.08 (0.05) | |||||||||
| G magnitude | 18.45 (0.02) | 18.47 | 18.45 | 18.45 (0.003) | ||||||||
| BP magnitude | 18.50 (0.02) | 18.47 | ||||||||||
| RP magnitude | 18.51 (0.03) | 18.51 | ||||||||||
| Pan g magnitude | 18.38 (0.01) | |||||||||||
| Pan r magnitude | 18.56 (0.01) | |||||||||||
| Pan i magnitude | 18.77 (0.01) | |||||||||||
| Pan z magnitude | 18.98 (0.02) | |||||||||||
| Pan y magnitude | 19.17 (0.04) | |||||||||||
| E(B-V) | 0.016 | |||||||||||
* Constant surface field
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