Coord 2000 | 15332-2429 | Discov num | CHR 232 | Comp | Aa,Ab | Coord arcsec 2000 | 15 33 09.52 -24 29 25.6 | ||||
Date first | 1996 | Date last | 2021 | Obs | 13 | ||||||
Pa first | 178 | Pa last | 207 | P.A. Now (θ) | 192.6° | ||||||
Sep first | 0.1 | Sep last | 0.124 | Sep. Now (ρ) | 0.117" | ||||||
Mag pri | 7.20 | Mag sec | 8.80 | delta mag (ΔM) | 1.6 | Spectral class | A7+F8 (white/yellow-white) | ||||
Pri motion ra | -030 | Sec motion ra | |||||||||
Pri motion dec | -037 | 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 | 183567 | 15 33 10 -24 29 26 | CHR 232 Aa,Ab | 2021 | 13 | 207 | 0.1 | 7.20 | 8.80 | 1.60 | Y | <=== | |
Show | HD 138488 | 183567 | 15 33 10 -24 29 26 | LAL 123 AB | 2016 | 47 | 302 | 9.3 | 6.94 | 7.00 | 0.06 | ||
Show | 183565 | 15 33 09 -24 29 21 | SEE 238 Ba,Bb | 2021 | 56 | 144 | 0.3 | 7.00 | 8.26 | 1.26 | Y |
Constellation | Libra | SAO | 183567 | HIP | 76143 | Tycho2 | 6768-01536-1 | ||||
Gaia DR2 | 6238804592922052224 | HD | 138488 | HR | 5765 | ADS | 9689 | ||||
CD | CD-2412155 | Distance | 96.71 | Distance ly | 315.47 |
Period (P) | 16.468y | ± 0.194 | Periastron (T) | 2011.536y | ± 0.064 | Semi-major axis (a) | 0.0933a | ± 0.0019 |
Eccentricity (e) | 0.419 | ± 0.009 | Inclination (i) | 123.9° | ± 0.9 | Longitude of periastron (ω) | 321.6° | ± 2.6 |
Node (Ω) | 10.4° | ± 1.9 | Notes | n | Reference | Tok2016e | ||
Equinox | 2000 | Last observation | 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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