SDSS J122014.22+271534.4
All names: SDSS J122014.21+271534.3, SDSS J122014.22+271534.4, Gaia DR3 4009528064476257920, SDSS J122014.21+271534.4, Gaia EDR3 4009528064476257920, Gaia DR2 4009528064476257920, GALEX J122014.2+271535
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 20 14.23 (0.4) | 12 20 14.21 | 12 20 14.23 (0.5) | 12 20 14.21 (0.4) | 12 20 14.22 | |||||
| Declination | 27 15 34.19 (0.3) | 27 15 34.38 | 27 15 34.20 (0.3) | 27 15 34.47 (0.3) | 27 15 34.40 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 14107.0 | 16082.0 (498) | |||||||
| log(g) | [cgs] | 7.37 | 7.95 (0.1) | |||||||
| Mass | [M☉] | 0.329 | 0.588 (0.07) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1157 | ||||||||
| 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] | 1.57 (0.4) | 1.38 (0.6) | 1.57 (0.4) | ||||||
| Distance | [pc] | 637.84 (159) | 722.20 (299) | 637.84 (159) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 15.39635505 (0.5) | 15.32180051 (0.9) | 15.396 (0.5) | ||||||
| Proper motion (declination) | [mas/yr] | -17.35948697 (0.4) | -17.09758527 (0.6) | -17.359 (0.4) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.85 (0.03) | 19.84 (0.03) | 19.89 (0.04) | |||||||
| g magnitude | 19.64 (0.01) | 19.64 (0.01) | 19.65 (0.02) | |||||||
| r magnitude | 19.96 (0.02) | 19.96 (0.02) | 19.97 (0.02) | |||||||
| i magnitude | 20.18 (0.03) | 20.18 (0.03) | 20.17 (0.03) | |||||||
| z magnitude | 20.37 (0.1) | 20.37 (0.1) | 20.40 (0.1) | |||||||
| G magnitude | 19.84 (0.05) | 19.91 | 19.84 (0.005) | |||||||
| BP magnitude | 19.77 (0.05) | 19.74 | ||||||||
| RP magnitude | 19.94 (0.06) | 19.89 | ||||||||
| Pan g magnitude | 19.69 (0.02) | |||||||||
| Pan r magnitude | 19.97 (0.008) | |||||||||
| Pan i magnitude | 20.25 (0.02) | |||||||||
| Pan z magnitude | 20.46 (0.03) | |||||||||
| Pan y magnitude | 20.44 (0.2) | |||||||||
| E(B-V) | 0.016 | |||||||||
* Constant surface field
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