SDSS J083446.91+304959.2
All names: Gaia DR2 709600306073392000, Gaia DR3 709600306073392000, SDSS J083446.91+304959.02, SDSS J083446.91+304959.0, Gaia EDR3 709600306073392000, SDSS J083446.91+304959.2, GALEX J083446.8+304959, LAMOST J083446.91+304958.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 34 46.91 (0.3) | 08 34 46.91 | 08 34 46.91 (0.3) | 08 34 46.91 (0.3) | ||||||||
| Declination | 30 49 58.80 (0.2) | 30 49 59.28 | 30 49 58.82 (0.2) | 30 49 59.38 (0.2) | ||||||||
| Spectral type | DA | DAH: | DA? | DAH: | DAH | DA | ||||||
| Effective temperature | [K] | 17132.1 (167) | 13832.0 | 18221.0 (343) | ||||||||
| log(g) | [cgs] | 7.33 (0.2) | 7.16 | 7.05 (0.07) | ||||||||
| Mass | [M☉] | 0.3288489382915114 (0.1) | 0.27 | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.1035 | ||||||||||
| 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] | 1.32 (0.3) | 1.66 (0.5) | 1.32 (0.3) | ||||||||
| Distance | [pc] | 756.94 (179) | 601.41 (176) | 756.94 (179) | ||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.511943832 (0.3) | 1.297344903 (0.7) | 0.512 (0.3) | ||||||||
| Proper motion (declination) | [mas/yr] | -35.91848765 (0.2) | -35.56246343 (0.5) | -35.918 (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 | 19.21 (0.02) | 19.20 (0.03) | 19.21 (0.02) | |||||||||
| g magnitude | 18.95 (0.009) | 18.96 (0.02) | 18.95 (0.009) | |||||||||
| r magnitude | 19.26 (0.01) | 19.26 (0.02) | 19.26 (0.01) | |||||||||
| i magnitude | 19.51 (0.02) | 19.49 (0.02) | 19.51 (0.02) | |||||||||
| z magnitude | 19.73 (0.09) | 19.71 (0.09) | 19.73 (0.09) | |||||||||
| G magnitude | 19.12 (0.02) | 19.17 | 19.12 (0.004) | |||||||||
| BP magnitude | 19.09 (0.02) | 18.99 | ||||||||||
| RP magnitude | 19.31 (0.05) | 19.11 | ||||||||||
| Pan g magnitude | 19.00 (0.01) | |||||||||||
| Pan r magnitude | 19.30 (0.01) | |||||||||||
| Pan i magnitude | 19.58 (0.02) | |||||||||||
| Pan z magnitude | 19.78 (0.02) | |||||||||||
| Pan y magnitude | 19.79 (0.06) | |||||||||||
| E(B-V) | 0.025 | |||||||||||
* Constant surface field
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