Coord 2000 | 13040-1738 | Discov num | BU 798 | Comp | AB | Coord arcsec 2000 | 13 04 02.74 -17 37 29.9 | ||||
Date first | 1881 | Date last | 2019 | Obs | 23 | ||||||
Pa first | 174 | Pa last | 179.8 | P.A. Now (θ) | 182.4° | ||||||
Sep first | 0.5 | Sep last | 0.29 | Sep. Now (ρ) | 0.182" | ||||||
Mag pri | 9.16 | Mag sec | 9.67 | delta mag (ΔM) | 0.51 | Spectral class | K0V (yellow-orange) | ||||
Pri motion ra | +029 | Sec motion ra | |||||||||
Pri motion dec | -158 | 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 | HD 113460 | 157692 | 13 04 03 -17 37 30 | BU 798 AB | 2019 | 23 | 180 | 0.3 | 9.16 | 9.67 | 0.51 | Y | <=== |
Show | 157692 | 13 04 03 -17 37 30 | UC 2465 AC | 2016 | 3 | 204 | 121.9 | 9.16 | 12.92 | 3.76 |
Name | HD 113460 | Constellation | Virgo | SAO | 157692 | HIP | 63754 | ||||
Tycho2 | 6115-00154-1 | Gaia DR2 | 3511727649629197568 | HD | 113460 | ADS | 8764 | ||||
BD | BD-16 3591 | Distance | 58 | Distance ly | 189.2 |
Period (P) | 60.2y | Periastron (T) | 1980.3y | Semi-major axis (a) | 0.352a | |||
Eccentricity (e) | 0.431 | Inclination (i) | 84.8° | Longitude of periastron (ω) | 209.6° | |||
Node (Ω) | 170.9° | Notes | n | Reference | Zir2012b | |||
Equinox | 2000 | Last observation | 2009 | Grade | 3 | (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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