SDSS J165439.46+391103.4
All names: SDSS J165439.46+391103.4, Gaia DR2 1352055743437013760, SDSS J165439.46+391103.2, GALEX J165439.5+391102, Gaia DR3 1352055743437013760, Gaia EDR3 1352055743437013760, SDSS J165439.46+391103.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 54 39.44 (0.3) | 16 54 39.47 | 16 54 39.44 (0.4) | 16 54 39.46 (0.3) | 16 54 39.46 | ||||||
| Declination | 39 11 02.60 (0.4) | 39 11 03.28 | 39 11 02.63 (0.5) | 39 11 03.35 (0.4) | 39 11 03.36 | ||||||
| Spectral type | DA | DAH | DAH | DAH | DA | ||||||
| Effective temperature | [K] | 9266.8 (208) | 8535.0 | 9384.0 (150) | |||||||
| log(g) | [cgs] | 8.34 (0.1) | 8.16 | 9.13 (0.2) | |||||||
| Mass | [M☉] | 0.8124916327678126 (0.1) | 0.698 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.1640 | |||||||||
| 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] | 3.83 (0.4) | 3.55 (0.5) | 3.83 (0.4) | |||||||
| Distance | [pc] | 261.37 (27) | 281.88 (40) | 261.37 (27) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -19.84487861 (0.4) | -19.93102839 (0.9) | -19.845 (0.4) | |||||||
| Proper motion (declination) | [mas/yr] | -46.50908315 (0.5) | -46.9359189 (1) | -46.509 (0.5) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 20.65 (0.05) | 20.65 (0.05) | 20.57 (0.05) | ||||||||
| g magnitude | 20.24 (0.02) | 20.24 (0.02) | 20.26 (0.02) | ||||||||
| r magnitude | 20.28 (0.02) | 20.28 (0.02) | 20.28 (0.02) | ||||||||
| i magnitude | 20.34 (0.03) | 20.34 (0.03) | 20.32 (0.03) | ||||||||
| z magnitude | 20.54 (0.1) | 20.54 (0.1) | 20.32 (0.09) | ||||||||
| G magnitude | 20.21 (0.08) | 20.25 | 20.21 (0.006) | ||||||||
| BP magnitude | 20.44 (0.08) | 20.30 | |||||||||
| RP magnitude | 20.24 (0.08) | 19.98 | |||||||||
| Pan g magnitude | 20.27 (0.02) | ||||||||||
| Pan r magnitude | 20.28 (0.01) | ||||||||||
| Pan i magnitude | 20.35 (0.01) | ||||||||||
| Pan z magnitude | 20.41 (0.03) | ||||||||||
| Pan y magnitude | 20.24 (0.3) | ||||||||||
| E(B-V) | 0.019 | ||||||||||
* Constant surface field
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