Coord 2000 | 09006+4147 | Discov num | KUI 37 | Comp | AB | Coord arcsec 2000 | 09 00 38.42 +41 46 57.6 | ||||
Date first | 1935 | Date last | 2017 | Obs | 270 | ||||||
Pa first | 37 | Pa last | 143.7 | P.A. Now (θ) | 31.5° | ||||||
Sep first | 0.6 | Sep last | 0.452 | Sep. Now (ρ) | 0.7" | ||||||
Mag pri | 4.18 | Mag sec | 6.48 | delta mag (ΔM) | 2.3 | Spectral class | F3V+K0V (yellow-white/yellow-orange) | ||||
Pri motion ra | -382 | Sec motion ra | |||||||||
Pri motion dec | -270 | Sec motion dec | |||||||||
Notes | N O (See Notes, Orbital solution) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 42642 | 09 00 38 +41 46 58 | KUI 37 AB | 2017 | 270 | 144 | 0.5 | 4.18 | 6.48 | 2.30 | Y | <=== | |
Show | 10 UMa | 42642 | 09 00 38 +41 46 58 | STT 566 AB,C | 2004 | 17 | 184 | 99.7 | 4.03 | 10.36 | 6.33 | ||
Show | 42642 | 09 00 38 +41 46 58 | BUP 122 AB,D | 2013 | 9 | 104 | 173.0 | 4.03 | 12.08 | 8.05 | |||
Show | 42642 | 09 00 38 +41 46 58 | STT 566 AB,E | 2012 | 10 | 101 | 260.4 | 4.03 | 11.19 | 7.16 |
Constellation | Lynx | SAO | 42642 | HIP | 44248 | Tycho2 | 2986-01978-1 | ||||
HD | 76943 | HR | 3579 | GC | 12434 | GL | Gl 332A | ||||
BD | BD+42 1956 | Flamsteed | 10 Ursae Majoris | Flamsteed name | 10 UMa | FK5 | 339 | ||||
Distance | 16.07 | Distance ly | 52.42 |
Period (P) | 7961d (21.8y) | ± 1.8 | Periastron (T) | 49262.6m (1993.754y) | ± 9.1 | Semi-major axis (a) | 0.64566a | ± 0.00065 |
Eccentricity (e) | 0.15075 | ± 0.00084 | Inclination (i) | 131.366° | ± 0.099 | Longitude of periastron (ω) | 32.3° | ± 0.44 |
Node (Ω) | 203.74° | ± 0.1 | Notes | n | Reference | Mut2010b | ||
Equinox | 2000 | Last observation | 2008 | Grade | 1 | (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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