SDSS J200817.98-123853.5
All names: SDSS J200817.98-123853.5, Gaia EDR3 6880458408999139328, SDSS J200817.97-123853.5, Gaia DR3 6880458408999139328, Gaia DR2 6880458408999139328
| 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 | 20 08 17.97 (0.3) | 20 08 17.97 | 20 08 17.97 (0.4) | 20 08 17.97 (0.3) | 20 08 17.98 | ||||||
| Declination | -12 38 53.57 (0.3) | -12 38 53.51 | -12 38 53.57 (0.3) | -12 38 53.57 (0.3) | -12 38 53.53 | ||||||
| Spectral type | DA | DAH | DAH | DAH | DA | ||||||
| Effective temperature | [K] | 17526.4 (434) | 20563.0 | 22611.0 (649) | |||||||
| log(g) | [cgs] | 7.83 (0.2) | 7.97 | 7.77 (0.09) | |||||||
| Mass | [M☉] | 0.5284778366448236 (0.2) | 0.61 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0565 | |||||||||
| 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] | 2.02 (0.4) | 1.84 (0.5) | 2.02 (0.4) | |||||||
| Distance | [pc] | 496.23 (96) | 544.68 (141) | 496.23 (96) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.661902563 (0.4) | 0.995576974 (0.8) | 0.662 (0.4) | |||||||
| Proper motion (declination) | [mas/yr] | -0.205683347 (0.3) | 0.163981573 (0.6) | -0.206 (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 | 19.82 (0.05) | 19.82 (0.05) | 19.91 (0.1) | ||||||||
| g magnitude | 19.65 (0.02) | 19.65 (0.02) | 19.75 (0.07) | ||||||||
| r magnitude | 19.80 (0.03) | 19.80 (0.03) | 19.92 (0.2) | ||||||||
| i magnitude | 20.07 (0.04) | 20.07 (0.04) | 20.14 (0.05) | ||||||||
| z magnitude | 20.37 (0.2) | 20.37 (0.2) | 20.35 (0.2) | ||||||||
| G magnitude | 19.70 (0.04) | 19.75 | 19.70 (0.005) | ||||||||
| BP magnitude | 19.74 (0.04) | 19.67 | |||||||||
| RP magnitude | 19.84 (0.08) | 19.53 | |||||||||
| Pan g magnitude | 19.63 (0.01) | ||||||||||
| Pan r magnitude | 19.79 (0.005) | ||||||||||
| Pan i magnitude | 20.03 (0.02) | ||||||||||
| Pan z magnitude | 20.21 (0.03) | ||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.139 | ||||||||||
* Constant surface field
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