SDSS J081807.83+122304.4
All names: Gaia EDR3 649483648831197952, SDSS J081807.83+122304.4, Gaia DR3 649483648831197952, SDSS J081807.83+122304.45, GALEX J081807.7+122304, Gaia DR2 649483648831197952
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 18 07.82 (0.4) | 08 18 07.84 | 08 18 07.82 (0.6) | 08 18 07.85 (0.4) | ||||||
| Declination | 12 23 04.64 (0.2) | 12 23 04.46 | 12 23 04.63 (0.3) | 12 23 04.37 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 7282.0 | 7262.0 (73) | |||||||
| log(g) | [cgs] | 7.20 | 7.89 (0.1) | |||||||
| Mass | [M☉] | 0.246 | 0.535 (0.06) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.6332 | ||||||||
| 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] | 3.22 (0.4) | 3.18 (0.7) | 3.22 (0.4) | ||||||
| Distance | [pc] | 310.58 (41) | 314.50 (65) | 310.58 (41) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -27.60845618 (0.5) | -28.06405323 (1) | -27.608 (0.5) | ||||||
| Proper motion (declination) | [mas/yr] | 16.74109444 (0.3) | 16.83546073 (0.6) | 16.741 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.45 (0.05) | 20.45 (0.05) | 20.45 (0.05) | |||||||
| g magnitude | 19.87 (0.02) | 19.86 (0.02) | 19.87 (0.02) | |||||||
| r magnitude | 19.73 (0.02) | 19.73 (0.02) | 19.73 (0.02) | |||||||
| i magnitude | 19.71 (0.02) | 19.70 (0.02) | 19.71 (0.02) | |||||||
| z magnitude | 19.74 (0.07) | 19.73 (0.07) | 19.74 (0.07) | |||||||
| G magnitude | 19.74 (0.05) | 19.77 | 19.74 (0.004) | |||||||
| BP magnitude | 19.98 (0.05) | 19.98 | ||||||||
| RP magnitude | 19.52 (0.05) | 19.49 | ||||||||
| Pan g magnitude | 19.87 (0.01) | |||||||||
| Pan r magnitude | 19.77 (0.01) | |||||||||
| Pan i magnitude | 19.77 (0.01) | |||||||||
| Pan z magnitude | 19.80 (0.02) | |||||||||
| Pan y magnitude | 19.75 (0.05) | |||||||||
| E(B-V) | 0.017 | |||||||||
* Constant surface field
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