SDSS J121229.82+505401.5
All names: SBSS 1209+512, SDSS J121229.80+505401.5, USNO-B1.0 1409-00228175, Gaia EDR3 1548267368689027840, SDSS J121229.82+505401.5, SDSS J121229.83+505401.6, GALEX J121229.8+505401, SDSS J121229.83+505401.5, SBSS 1210+511, Gaia DR2 1548267368689027840, Gaia DR3 1548267368689027840
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 12 29.81 (0.05) | 12 12 29.83 | 12 12 29.81 (0.07) | 12 12 29.81 | 12 12 29.84 (0.05) | 12 12 29.83 | ||||||
| Declination | 50 54 01.54 (0.06) | 50 54 01.56 | 50 54 01.54 (0.08) | 50 54 01.54 | 50 54 01.56 (0.06) | 50 54 01.58 | ||||||
| Spectral type | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 55489.0 (1293) | 29906.0 | 57553.0 (11888) | 56885.0 (899) | |||||||
| log(g) | [cgs] | 7.57 (0.08) | 7.22 | 7.76 (3) | 7.78 (0.05) | |||||||
| Mass | [M☉] | 0.53 (0.03) | 0.354 | 0.601 (266) | 0.605 (0.02) | |||||||
| log(Luminosity) | [L☉] | 0.53 (0.07) | ||||||||||
| Cooling age | [Gyr] | 0.0009 (0.0004) | 0.0094 | |||||||||
| 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] | 1.39 (0.09) | 1.39 (0.1) | 1.39 | 1.39 (0.09) | |||||||
| Distance | [pc] | 721.50 (49) | 720.65 (74) | 721.50 | 721.50 (49) | |||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -18.43589244 (0.07) | -18.60051489 (0.1) | -18.436 (0.07) | ||||||||
| Proper motion (declination) | [mas/yr] | -0.815879112 (0.08) | -0.910920604 (0.2) | -0.816 (0.08) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 18.20 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.30 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | ||||||||||||
| H magnitude | ||||||||||||
| K magnitude | ||||||||||||
| u magnitude | 17.29 (0.009) | 17.29 (0.009) | 17.35 (0.03) | |||||||||
| g magnitude | 17.69 (0.005) | 17.69 (0.005) | 17.73 (0.04) | |||||||||
| r magnitude | 18.19 (0.007) | 18.19 (0.007) | 18.21 (0.01) | |||||||||
| i magnitude | 18.57 (0.01) | 18.57 (0.01) | 18.59 (0.02) | |||||||||
| z magnitude | 18.94 (0.04) | 18.94 (0.04) | 18.99 (0.04) | |||||||||
| G magnitude | 17.95 (0.01) | 17.98 | 17.95 | 17.95 (0.003) | ||||||||
| BP magnitude | 17.77 (0.01) | 17.69 | ||||||||||
| RP magnitude | 18.24 (0.02) | 18.24 | ||||||||||
| Pan g magnitude | 17.76 (0.003) | |||||||||||
| Pan r magnitude | 18.21 (0.005) | |||||||||||
| Pan i magnitude | 18.58 (0.007) | |||||||||||
| Pan z magnitude | 18.88 (0.02) | |||||||||||
| Pan y magnitude | 19.04 (0.02) | |||||||||||
| E(B-V) | 0.018 | |||||||||||
* Constant surface field
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