SDSS J082840.66+213115.0
All names: SDSS J082840.68+213114.8, Gaia DR3 665693199004363776, SDSS J082840.67+213114.9, Gaia DR2 665693199004363776, GALEX J082840.7+213115, SDSS J082840.66+213115.0, SDSS J082840.67+213114.8, SDSS J082840.67+213115.1, SDSS J082840.67+213115.0, Gaia EDR3 665693199004363776
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 28 40.69 (0.2) | 08 28 40.67 | 08 28 40.69 (0.2) | 08 28 40.69 | 08 28 40.66 (0.2) | 08 28 40.67 | |||||
| Declination | 21 31 14.64 (0.1) | 21 31 14.90 | 21 31 14.66 (0.1) | 21 31 14.64 | 21 31 15.15 (0.1) | 21 31 15.09 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 19627.0 | 21410.0 (1803) | 21511.0 (275) | |||||||
| log(g) | [cgs] | 7.76 | 7.85 (0.1) | 7.80 (0.04) | |||||||
| Mass | [M☉] | 0.499 | 0.548 (0.08) | 0.531 (0.02) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0455 | |||||||||
| 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] | 2.71 (0.2) | 2.66 (0.3) | 2.71 | 2.71 (0.2) | ||||||
| Distance | [pc] | 369.17 (26) | 376.21 (40) | 369.17 | 369.17 (26) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 27.31107201 (0.2) | 26.33999041 (0.5) | 27.311 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -31.78925003 (0.1) | -31.67524895 (0.3) | -31.789 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.08 (0.01) | 18.08 (0.01) | 18.18 (0.02) | ||||||||
| g magnitude | 18.13 (0.006) | 18.13 (0.006) | 18.10 (0.02) | ||||||||
| r magnitude | 18.49 (0.009) | 18.49 (0.009) | 18.57 (0.02) | ||||||||
| i magnitude | 18.79 (0.01) | 18.79 (0.01) | 18.79 (0.02) | ||||||||
| z magnitude | 19.19 (0.05) | 19.19 (0.06) | 19.11 (0.05) | ||||||||
| G magnitude | 18.33 (0.02) | 18.37 | 18.33 | 18.33 (0.003) | |||||||
| BP magnitude | 18.21 (0.02) | 18.19 | |||||||||
| RP magnitude | 18.54 (0.04) | 18.45 | |||||||||
| Pan g magnitude | 18.19 (0.008) | ||||||||||
| Pan r magnitude | 18.53 (0.01) | ||||||||||
| Pan i magnitude | 18.85 (0.006) | ||||||||||
| Pan z magnitude | 19.11 (0.02) | ||||||||||
| Pan y magnitude | 19.32 (0.05) | ||||||||||
| E(B-V) | 0.023 | ||||||||||
* Constant surface field
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