SDSS J121215.51+520439.7
All names: SDSS J121215.51+520439.75, SDSS J121215.51+520439.7, Gaia DR3 1548737031955703808, GALEX J121215.4+520441, Gaia EDR3 1548737031955703808, Gaia DR2 1548737031955703808, SDSS J121215.51+520439.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 12 15.51 (0.3) | 12 12 15.52 | 12 12 15.51 (0.4) | 12 12 15.52 (0.3) | ||||||
| Declination | 52 04 39.33 (0.3) | 52 04 39.41 | 52 04 39.33 (0.4) | 52 04 39.45 (0.3) | ||||||
| Spectral type | DA: | DA: | DA | DA | ||||||
| Effective temperature | [K] | 7481.0 | 7958.0 (94) | |||||||
| log(g) | [cgs] | 8.08 | 8.07 (0.1) | |||||||
| Mass | [M☉] | 0.644 | 0.552 (0.07) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.4300 | ||||||||
| 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] | 3.62 (0.5) | 4.08 (0.7) | 3.62 (0.5) | ||||||
| Distance | [pc] | 276.62 (38) | 245.21 (41) | 276.63 (38) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -7.782849119 (0.4) | -7.524523246 (0.7) | -7.783 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -7.738082479 (0.5) | -9.185744589 (0.8) | -7.738 (0.5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.80 (0.06) | 20.79 (0.07) | 20.80 (0.07) | |||||||
| g magnitude | 20.32 (0.02) | 20.34 (0.03) | 20.32 (0.02) | |||||||
| r magnitude | 20.31 (0.03) | 20.34 (0.03) | 20.32 (0.03) | |||||||
| i magnitude | 20.31 (0.03) | 20.28 (0.03) | 20.31 (0.03) | |||||||
| z magnitude | 20.34 (0.1) | 20.33 (0.1) | 20.34 (0.1) | |||||||
| G magnitude | 20.26 (0.07) | 20.32 | 20.26 (0.005) | |||||||
| BP magnitude | 20.45 (0.07) | 20.40 | ||||||||
| RP magnitude | 20.15 (0.07) | 20.15 | ||||||||
| Pan g magnitude | 20.39 (0.03) | |||||||||
| Pan r magnitude | 20.28 (0.03) | |||||||||
| Pan i magnitude | 20.33 (0.03) | |||||||||
| Pan z magnitude | 20.38 (0.06) | |||||||||
| Pan y magnitude | 20.31 (0.05) | |||||||||
| E(B-V) | 0.017 | |||||||||
* Constant surface field
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