SDSS J082009.57+124941.8
All names: SDSS J082009.57+124941.8, GALEX J082009.6+124941, Gaia EDR3 649615452788022144, SDSS J082009.57+124941.7, Gaia DR2 649615452788022144, Gaia DR3 649615452788022144
| 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 | 08 20 09.57 (0.3) | 08 20 09.57 | 08 20 09.57 (0.4) | 08 20 09.58 (0.3) | 08 20 09.57 | |||||
| Declination | 12 49 41.76 (0.2) | 12 49 41.81 | 12 49 41.76 (0.2) | 12 49 41.81 (0.2) | 12 49 41.82 | |||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 17207.0 | 17260.0 (408) | |||||||
| log(g) | [cgs] | 8.19 | 7.77 (0.1) | |||||||
| Mass | [M☉] | 0.732 | 0.507 (0.05) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.1771 | ||||||||
| 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] | 2.33 (0.4) | 2.58 (0.5) | 2.33 (0.4) | ||||||
| Distance | [pc] | 429.25 (66) | 386.86 (77) | 429.26 (66) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -8.346163312 (0.3) | -8.735440268 (0.9) | -8.346 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -2.976635052 (0.2) | -2.72480185 (0.6) | -2.977 (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 | 19.30 (0.03) | 19.30 (0.03) | 19.31 (0.03) | |||||||
| g magnitude | 19.10 (0.01) | 19.10 (0.01) | 19.09 (0.02) | |||||||
| r magnitude | 19.42 (0.01) | 19.42 (0.01) | 19.43 (0.02) | |||||||
| i magnitude | 19.74 (0.02) | 19.74 (0.02) | 19.75 (0.03) | |||||||
| z magnitude | 20.09 (0.1) | 20.09 (0.1) | 20.07 (0.1) | |||||||
| G magnitude | 19.32 (0.04) | 19.36 | 19.32 (0.004) | |||||||
| BP magnitude | 19.33 (0.04) | 19.21 | ||||||||
| RP magnitude | 19.46 (0.06) | 19.48 | ||||||||
| Pan g magnitude | 19.14 (0.007) | |||||||||
| Pan r magnitude | 19.47 (0.006) | |||||||||
| Pan i magnitude | 19.75 (0.01) | |||||||||
| Pan z magnitude | 19.99 (0.03) | |||||||||
| Pan y magnitude | 20.07 (0.1) | |||||||||
| E(B-V) | 0.024 | |||||||||
* Constant surface field
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