12479-5127 TOK 720 (V940 Cen)
12h 47m 51.87s -51° 26' 38.2" P.A. 75.00 sep 0.1 mag 10.10,10.50 Sp G9IVe dist. 130.55 pc (425.85 l.y.)
Coord 2000 |
12479-5127 |
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Discov num |
TOK 720 |
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Comp |
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Coord arcsec 2000 |
12 47 51.87 -51 26 38.2 |
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Date first |
2016 |
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Date last |
2021 |
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Obs |
9 |
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Pa first |
176 |
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Pa last |
74.9 |
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P.A. Now (θ) |
74.9° |
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Sep first |
0.0 |
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Sep last |
0.055 |
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Sep. Now (ρ) |
0.055" |
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Mag pri |
10.10 |
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Mag sec |
10.50 |
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delta mag (ΔM) |
0.4 |
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Spectral class |
G9IVe (yellow) |
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Pri motion ra |
-031 |
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Sec motion ra |
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Pri motion dec |
-014 |
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Sec motion dec |
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Notes |
O
R
(Orbital solution, Red magnitudes) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Var name |
V940 Cen |
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Constellation |
Centaurus |
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SAO |
240263 |
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HIP |
62445 |
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Tycho2 |
8257-01308-1 |
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Gaia DR2 |
6078309189863610880 |
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HD |
111170 |
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CD |
CD-50 7276 |
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CP |
CP-50 5475 |
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Distance |
130.55 |
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Distance ly |
425.85 |
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ORBITAL ELEMENTS
Period (P) | 15.91y | |
Periastron (T) | 2016.06y | |
Semi-major axis (a) | 0.064a | |
Eccentricity (e) | 0.05 | |
Inclination (i) | 142.2° | |
Longitude of periastron (ω) | 297° | |
Node (Ω) | 123.7° | |
Notes | | |
Reference | Tok2021f | |
Equinox | | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
185.2 |
0.050 |
2001 |
158.9 |
0.056 |
2002 |
137.4 |
0.061 |
2003 |
118.3 |
0.063 |
2004 |
99.3 |
0.061 |
2005 |
78.4 |
0.057 |
2006 |
54.3 |
0.054 |
2007 |
28.3 |
0.053 |
2008 |
3.3 |
0.056 |
2009 |
341.6 |
0.060 |
2010 |
323.0 |
0.064 |
2011 |
305.7 |
0.065 |
2012 |
288.1 |
0.063 |
2013 |
268.0 |
0.057 |
2014 |
243.1 |
0.051 |
2015 |
213.0 |
0.048 |
2016 |
182.6 |
0.051 |
2017 |
156.8 |
0.056 |
2018 |
135.6 |
0.061 |
2019 |
116.6 |
0.063 |
2020 |
97.5 |
0.061 |
2021 |
76.3 |
0.057 |
2022 |
52.0 |
0.053 |
2023 |
25.9 |
0.053 |
2024 |
1.2 |
0.056 |
2025 |
339.9 |
0.061 |
2026 |
321.4 |
0.065 |
2027 |
304.2 |
0.065 |
2028 |
286.5 |
0.063 |
2029 |
266.0 |
0.057 |
2030 |
240.5 |
0.051 |
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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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