Coord 2000 | 09013+1516 | Discov num | STF1300 | Comp | AB | Coord arcsec 2000 | 09 01 17.48 +15 15 56.8 | ||||
Date first | 1830 | Date last | 2022 | Obs | 188 | ||||||
Pa first | 210 | Pa last | 177.5 | P.A. Now (θ) | 177.5° | ||||||
Sep first | 4.1 | Sep last | 4.989 | Sep. Now (ρ) | 4.989" | ||||||
Mag pri | 9.47 | Mag sec | 9.73 | delta mag (ΔM) | 0.26 | Spectral class | M0V:p (red) | ||||
Pri motion ra | -126 | Sec motion ra | -108 | ||||||||
Pri motion dec | -318 | Sec motion dec | -318 | ||||||||
Notes | N O W (See Notes, Orbital solution, ) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | HD 77175 | 98295 | 09 01 17 +15 15 57 | STF 1300 AB | 2022 | 188 | 178 | 5.0 | 9.47 | 9.73 | 0.26 | Y | <=== |
Show | 98295 | 09 01 17 +15 15 57 | ENG 9001 AC | 2015 | 8 | 13 | 202.5 | 9.47 | 9.93 | 0.46 | |||
Show | 98295 | 09 01 17 +15 15 57 | ENG 9001 AD | 2015 | 8 | 61 | 198.4 | 9.47 | 10.21 | 0.74 |
Name | HD 77175 | Constellation | Cancer | SAO | 98295 | HIP | 44295 | ||||
Tycho2 | 1394-01884-1 | HD | 77175 | GC | 12463 | ADS | 7139 | ||||
GL | GJ 1120A | BD | BD+15 1957 | Distance | 15.97 | Distance ly | 52.09 |
Period (P) | 878.8788y | ± 403.0795 | Periastron (T) | 1734.0729y | ± 60.7265 | Semi-major axis (a) | 5.03669a | ± 1.51389 |
Eccentricity (e) | 0.41763 | ± 0.28989 | Inclination (i) | 117.434° | ± 8.351 | Longitude of periastron (ω) | 76.263° | ± 48.002 |
Node (Ω) | 23.968° | ± 15.634 | Notes | n | Reference | Izm2019 | ||
Equinox | Last observation | 2015 | 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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