SDSS J080920.80+383357.9
All names: SDSS J080920.81+383358.1, Gaia DR2 908740248619979520, Gaia EDR3 908740248619979520, Gaia DR3 908740248619979520, GALEX J080920.8+383358, SDSS J080920.82+383358.10, SDSS J080920.80+383357.9, SDSS J080920.82+383358.1
| 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 09 20.80 (0.2) | 08 09 20.81 | 08 09 20.80 (0.2) | 08 09 20.81 (0.2) | ||||||
| Declination | 38 33 58.07 (0.2) | 38 33 57.95 | 38 33 58.07 (0.2) | 38 33 57.94 (0.2) | ||||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 20996.0 | 20094.0 (171) | |||||||
| log(g) | [cgs] | 8.16 | 8.07 (0.03) | |||||||
| Mass | [M☉] | 0.72 | 0.659 (0.02) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0833 | ||||||||
| 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] | 3.30 (0.2) | 3.34 (0.3) | 3.30 (0.2) | ||||||
| Distance | [pc] | 302.87 (21) | 299.18 (23) | 302.87 (21) | ||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -5.35213385 (0.2) | -5.597728344 (0.4) | -5.352 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | 7.82496024 (0.2) | 8.249820837 (0.4) | 7.825 (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 | 18.43 (0.01) | 18.43 (0.02) | 18.43 (0.01) | |||||||
| g magnitude | 18.25 (0.007) | 18.25 (0.03) | 18.25 (0.007) | |||||||
| r magnitude | 18.61 (0.009) | 18.61 (0.1) | 18.61 (0.009) | |||||||
| i magnitude | 18.85 (0.01) | 18.85 (0.4) | 18.85 (0.01) | |||||||
| z magnitude | 19.17 (0.05) | 19.16 (0.08) | 19.18 (0.05) | |||||||
| G magnitude | 18.45 (0.03) | 18.49 | 18.45 (0.004) | |||||||
| BP magnitude | 18.37 (0.03) | 18.20 | ||||||||
| RP magnitude | 18.47 (0.05) | 18.42 | ||||||||
| Pan g magnitude | 18.30 (0.005) | |||||||||
| Pan r magnitude | 18.61 (0.006) | |||||||||
| Pan i magnitude | 18.91 (0.004) | |||||||||
| Pan z magnitude | 19.12 (0.03) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.026 | |||||||||
* Constant surface field
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