Coord 2000 | 14426+1929 | Discov num | HU 575 | Comp | AB | Coord arcsec 2000 | 14 42 33.63 +19 28 46.9 | ||||
Date first | 1902 | Date last | 2017 | Obs | 160 | ||||||
Pa first | 171 | Pa last | 284.2 | P.A. Now (θ) | 39.7° | ||||||
Sep first | 0.7 | Sep last | 0.355 | Sep. Now (ρ) | 0.413" | ||||||
Mag pri | 9.77 | Mag sec | 10.05 | delta mag (ΔM) | 0.28 | Spectral class | M0 (red) | ||||
Pri motion ra | -247 | Sec motion ra | |||||||||
Pri motion dec | -174 | 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 | 14 42 34 +19 28 47 | HU 575 AB | 2017 | 160 | 284 | 0.4 | 9.77 | 10.05 | 0.28 | Y | <=== | ||
Show | 14 42 34 +19 28 47 | LDS 968 AB,C | 2016 | 14 | 309 | 135.2 | 9.25 | 10.28 | 1.03 |
Constellation | Bootes | HIP | 71914 | Tycho2 | 1480-00302-1 | ADS | 9352 | ||||
GL | Wo 9490B | BD | BD+20 3010 | Distance | 21.58 | Distance ly | 70.39 |
Period (P) | 51.7y | Periastron (T) | 1982y | Semi-major axis (a) | 0.64a | |||
Eccentricity (e) | 0.09 | Inclination (i) | 120° | Longitude of periastron (ω) | 204° | |||
Node (Ω) | 178° | Notes | n | Reference | Sod1999 | |||
Equinox | 2000 | Last observation | Grade | 2 | (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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