Coord 2000 | 14462-2111 |
Discov num | FIN 309 |
Comp | Coord arcsec 2000 | 14 46 10.92 -21 10 32.6 |
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Date first | 1935 |
Date last | 2020 |
Obs | 69 |
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Pa first | 127 |
Pa last | 225 |
P.A. Now (θ) | 301.7° |
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Sep first | 0.3 |
Sep last | 0.1 |
Sep. Now (ρ) | 0.07" |
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Mag pri | 7.30 |
Mag sec | 7.30 |
delta mag (ΔM) | 0 |
Spectral class | G1V (yellow) |
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Pri motion ra | -058 |
Sec motion ra | |||||||||
Pri motion dec | -097 |
Sec motion dec | |||||||||
Notes |
Precise pa | 224.9 |
Precise sep | 0.107 |
Name | 17 Lib |
Constellation | Libra |
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SAO | 182858 |
HIP | 72217 |
Tycho2 | 6166-00454-1 |
HD | 129980 |
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HR | 5504 |
BD | BD-20 4087 |
Flamsteed | 17 Librae |
Flamsteed name | 17 Lib |
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Distance | 41.25 |
Distance ly | 134.56 |
last precise pa | 224.9 |
last precise sep | 0.107 |
Period (P) | 12.929y | ± 0.021 | Periastron (T) | 1995.249y | ± 0.055 | Semi-major axis (a) | 0.1814a | ± 0.0021 |
Eccentricity (e) | 0.6428 | ± 0.0051 | Inclination (i) | 25.9° | ± 2.6 | Longitude of periastron (ω) | 39.5° | ± 4.7 |
Node (Ω) | 281.9° | ± 4.1 | Note | Grade | 2 | (1=Definitive, 9=Indet.) | ||
Equinox | 2000 | Last observation | 2009 |
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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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coord_2000 | discov_num | comp | epoch | obs | pa | sep | mag_pri | mag_sec | spectr | notes | coord_arcsec_2000 |
14462-2111 | FIN 309 | 2001 | 55 | 317 | 0.3 | 7.30 | 7.30 | G1V | NOD | 144610.92-211032.6 | |
14462-2111 | FIN 309 | 2009 | 59 | 70 | 0.1 | 7.30 | 7.30 | G1V | NOD | 144610.92-211032.6 | |
14462-2111 | FIN 309 | 2010 | 61 | 94 | 0.2 | 7.30 | 7.30 | G1V | NOD | 144610.92-211032.6 | |
14462-2111 | FIN 309 | 2011 | 62 | 110 | 0.2 | 7.30 | 7.30 | G1V | NOD | 144610.92-211032.6 | |
14462-2111 | FIN 309 | 2014 | 63 | 136 | 0.3 | 7.30 | 7.30 | G1V | NO | 144610.92-211032.6 | |
14462-2111 | FIN 309 | 2015 | 64 | 143 | 0.3 | 7.30 | 7.30 | G1V | NO | 144610.92-211032.6 | |
14462-2111 | FIN 309 | 2017 | 66 | 164 | 0.2 | 7.30 | 7.30 | G1V | NO | 144610.92-211032.6 | |
14462-2111 | FIN 309 | 2018 | 67 | 173 | 0.2 | 7.30 | 7.30 | G1V | NO | 144610.92-211032.6 | |
14462-2111 | FIN 309 | 2019 | 68 | 191 | 0.2 | 7.30 | 7.30 | G1V | NO | 144610.92-211032.6 |