Coord 2000 | 12115+5325 | Discov num | STF1608 | Comp | AB | Coord arcsec 2000 | 12 11 27.76 +53 25 17.5 | ||||
Date first | 1823 | Date last | 2021 | Obs | 140 | ||||||
Pa first | 224 | Pa last | 220.5 | P.A. Now (θ) | 220.5° | ||||||
Sep first | 12.1 | Sep last | 13.603 | Sep. Now (ρ) | 13.603" | ||||||
Mag pri | 8.11 | Mag sec | 8.27 | delta mag (ΔM) | 0.16 | Spectral class | K0 (yellow-orange) | ||||
Pri motion ra | -164 | Sec motion ra | -169 | ||||||||
Pri motion dec | -123 | Sec motion dec | -136 | ||||||||
Notes | N C V (See Notes, Has orbit and linear solution, Proper motion indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | MZ UMa | 28287 | 12 11 28 +53 25 18 | STF 1608 AB | 2021 | 140 | 221 | 13.6 | 8.11 | 8.27 | 0.16 | Y | <=== |
Show | 28287 | 12 11 28 +53 25 18 | SHY 233 AC | 1999 | 3 | 117 | 999.9 | 8.10 | 11.27 | 3.17 |
Var name | MZ UMa | Constellation | Ursa Major | SAO | 28287 | HIP | 59431 | ||||
Tycho2 | 3834-01089-1 | Gaia DR2 | 1572914025633785728 | HD | 105963 | GC | 16648 | ||||
ADS | 8450 | GL | NN 3712B | BD | BD+54 1499 | Distance | 35.45 | ||||
Distance ly | 115.64 |
Period (P) | 2236.0301y | ± 817.4875 | Periastron (T) | 2434.5743y | ± 163.3266 | Semi-major axis (a) | 19.66795a | ± 9.16357 |
Eccentricity (e) | 0.6409 | ± 0.27401 | Inclination (i) | 92.932° | ± 1.869 | Longitude of periastron (ω) | 266.009° | ± 28.895 |
Node (Ω) | 36.653° | ± 1.36 | Notes | n | Reference | Izm2019 | ||
Equinox | Last observation | 2014 | 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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