Coord 2000 | 21522+0538 | Discov num | JOD 23 | Comp | AB | Coord arcsec 2000 | 21 52 10.41 +05 37 35.8 | ||||
Date first | 2008 | Date last | 2021 | Obs | 10 | ||||||
Pa first | 61 | Pa last | 287.9 | P.A. Now (θ) | 287.9° | ||||||
Sep first | 0.1 | Sep last | 0.163 | Sep. Now (ρ) | 0.163" | ||||||
Mag pri | 14.00 | Mag sec | 14.50 | delta mag (ΔM) | 0.5 | Spectral class | M3Ve (red) | ||||
Pri motion ra | +119 | Sec motion ra | |||||||||
Pri motion dec | -150 | Sec motion dec | |||||||||
Notes | O R (Orbital solution, Red magnitudes) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 21 52 10 +05 37 36 | JOD 23 AB | 2021 | 10 | 288 | 0.2 | 14.00 | 14.50 | 0.50 | Y | <=== | ||
Show | 21 52 10 +05 37 36 | JOD 23 AC | 2021 | 10 | 35 | 0.7 | 14.00 | 16.10 | 2.10 |
Constellation | Pegasus | HIP | 107948 | Gaia DR2 | 2697021694161423872 | Distance | 30.5 | ||||
Distance ly | 99.49 |
Period (P) | 9.08y | ± 0.11 | Periastron (T) | 2019.38y | ± 0.02 | Semi-major axis (a) | 0.1406a | ± 0.0013 |
Eccentricity (e) | 0.447 | ± 0.008 | Inclination (i) | 0° | Longitude of periastron (ω) | 0° | ||
Node (Ω) | 163.7° | ± 1.2 | Notes | Reference | Tok2020e | |||
Equinox | Last observation | 2019 | Grade | 4 | (1=Definitive, 9=Indet.) |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. |
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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