Coord 2000 | 09100-2845 |
Discov num | B 179 |
Comp | Coord arcsec 2000 | 09 09 57.24 -28 45 20.7 |
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Date first | 1927 |
Date last | 2020 |
Obs | 40 |
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Pa first | 161 |
Pa last | 113 |
P.A. Now (θ) | 112.7° |
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Sep first | 0.4 |
Sep last | 0.1 |
Sep. Now (ρ) | 0.12" |
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Mag pri | 9.44 |
Mag sec | 9.64 |
delta mag (ΔM) | 0.2 |
Spectral class | K0V (yellow-orange) |
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Pri motion ra | -013 |
Sec motion ra | -013 |
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Pri motion dec | -077 |
Sec motion dec | -077 |
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Notes | O
(Orbital solution) |
Precise pa | 112.9 |
Precise sep | 0.126 |
Constellation | Pyxis |
SAO | 177059 |
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HIP | 45003 |
Tycho2 | 6598-01373-1 |
Gaia DR2 | 5636015416217477504 |
HD | 78921 |
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ADS | 7223 |
CD | CD-28 6981 |
CP | CP-28 3635 |
Distance | 55.9 |
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Distance ly | 182.35 |
last precise pa | 112.9 |
last precise sep | 0.126 |
Period (P) | 80.35y | ± 0.84 | Periastron (T) | 2026.88y | ± 0.62 | Semi-major axis (a) | 0.372a | ± 0.006 |
Eccentricity (e) | 0.562 | ± 0.025 | Inclination (i) | 116.3° | ± 1.3 | Longitude of periastron (ω) | 158.5° | ± 3 |
Node (Ω) | 169.4° | ± 1.1 | Note | Grade | 3 | (1=Definitive, 9=Indet.) | ||
Equinox | Last observation | 2018 |
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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 |
09100-2845 | B 179 | 1998 | 29 | 349 | 0.4 | 9.44 | 9.64 | K0V | NOD | 090957.24-284520.7 | |
09100-2845 | B 179 | 2009 | 30 | 160 | 0.4 | 9.44 | 9.64 | K0V | NOD | 090957.24-284520.7 | |
09100-2845 | B 179 | 2010 | 31 | 159 | 0.4 | 9.44 | 9.64 | K0V | NOD | 090957.24-284520.7 | |
09100-2845 | B 179 | 2011 | 32 | 158 | 0.4 | 9.44 | 9.64 | K0V | NOD | 090957.24-284520.7 | |
09100-2845 | B 179 | 2013 | 33 | 155 | 0.3 | 9.44 | 9.64 | K0V | NOD | 090957.24-284520.7 | |
09100-2845 | B 179 | 2015 | 34 | 148 | 0.3 | 9.44 | 9.64 | K0V | O | 090957.24-284520.7 | |
09100-2845 | B 179 | 2016 | 35 | 144 | 0.2 | 9.44 | 9.64 | K0V | O | 090957.24-284520.7 | |
09100-2845 | B 179 | 2018 | 37 | 139 | 0.2 | 9.44 | 9.64 | K0V | O | 090957.24-284520.7 | |
09100-2845 | B 179 | 2019 | 38 | 132 | 0.2 | 9.44 | 9.64 | K0V | O | 090957.24-284520.7 |