13081-7719 HDS 1839 (HD 113693)
13h 08m 02.87s -77° 18' 35.3" P.A. 201.00 sep 0.2 mag 9.03,11.30 Sp K3V dist. 42.84 pc (139.74 l.y.)
Coord 2000 |
13081-7719 |
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Discov num |
HDS1839 |
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Comp |
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Coord arcsec 2000 |
13 08 02.87 -77 18 35.3 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
10 |
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Pa first |
163 |
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Pa last |
201.4 |
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P.A. Now (θ) |
190.1° |
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Sep first |
0.2 |
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Sep last |
0.17 |
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Sep. Now (ρ) |
0.2" |
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Mag pri |
9.03 |
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Mag sec |
11.30 |
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delta mag (ΔM) |
2.27 |
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Spectral class |
K3V (yellow-orange) |
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Pri motion ra |
+047 |
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Sec motion ra |
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Pri motion dec |
-068 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 113693 |
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Constellation |
Chamaeleon |
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HIP |
64091 |
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Tycho2 |
9417-00642-1 |
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Gaia DR2 |
5788964286871098624 |
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HD |
113693 |
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GL |
NN 3761 |
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CP |
CP-76 747 |
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Distance |
42.84 |
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Distance ly |
139.74 |
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ORBITAL ELEMENTS SOLUTION #1
Period (P) | 17.44y | ± 1.03 |
Periastron (T) | 2014.11y | ± 0.84 |
Semi-major axis (a) | 0.2007a | ± 0.0124 |
Eccentricity (e) | 0.168 | ± 0.104 |
Inclination (i) | 120.5° | ± 2.5 |
Longitude of periastron (ω) | 320.5° | ± 19 |
Node (Ω) | 349.2° | ± 5.4 |
Notes | | |
Reference | Tok2016e | |
Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
319.5 |
0.148 |
2001 |
296.6 |
0.123 |
2002 |
264.8 |
0.110 |
2003 |
233.2 |
0.124 |
2004 |
211.0 |
0.153 |
2005 |
196.4 |
0.185 |
2006 |
185.8 |
0.210 |
2007 |
177.1 |
0.224 |
2008 |
168.9 |
0.224 |
2009 |
160.0 |
0.207 |
2010 |
148.6 |
0.175 |
2011 |
130.6 |
0.131 |
2012 |
95.6 |
0.094 |
2013 |
46.0 |
0.098 |
2014 |
14.3 |
0.135 |
2015 |
356.2 |
0.166 |
2016 |
342.1 |
0.173 |
2017 |
327.3 |
0.159 |
2018 |
307.8 |
0.133 |
2019 |
279.6 |
0.113 |
2020 |
246.2 |
0.115 |
2021 |
219.6 |
0.139 |
2022 |
202.1 |
0.171 |
2023 |
190.1 |
0.200 |
2024 |
180.8 |
0.220 |
2025 |
172.5 |
0.226 |
2026 |
164.1 |
0.216 |
2027 |
154.1 |
0.191 |
2028 |
139.8 |
0.151 |
2029 |
113.9 |
0.107 |
2030 |
67.1 |
0.090 |
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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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ORBITAL ELEMENTS SOLUTION #2
Period (P) | 17.01y | ± 0.36 |
Periastron (T) | 2015.01y | ± 0.36 |
Semi-major axis (a) | 0.205a | ± 0.005 |
Eccentricity (e) | 0.16 | ± 0.026 |
Inclination (i) | 119.5° | ± 1.2 |
Longitude of periastron (ω) | 163.6° | ± 7.6 |
Node (Ω) | 167.8° | ± 1.5 |
Notes | | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
325.2 |
0.152 |
2001 |
301.5 |
0.120 |
2002 |
264.8 |
0.103 |
2003 |
227.7 |
0.120 |
2004 |
204.4 |
0.157 |
2005 |
190.3 |
0.194 |
2006 |
180.3 |
0.222 |
2007 |
172.1 |
0.235 |
2008 |
164.3 |
0.233 |
2009 |
155.7 |
0.214 |
2010 |
144.6 |
0.179 |
2011 |
126.8 |
0.135 |
2012 |
93.4 |
0.099 |
2013 |
46.5 |
0.101 |
2014 |
14.8 |
0.137 |
2015 |
356.2 |
0.167 |
2016 |
341.5 |
0.172 |
2017 |
325.4 |
0.152 |
2018 |
301.8 |
0.120 |
2019 |
265.2 |
0.103 |
2020 |
228.0 |
0.119 |
2021 |
204.6 |
0.156 |
2022 |
190.4 |
0.194 |
2023 |
180.4 |
0.221 |
2024 |
172.2 |
0.235 |
2025 |
164.4 |
0.233 |
2026 |
155.8 |
0.214 |
2027 |
144.7 |
0.180 |
2028 |
127.1 |
0.136 |
2029 |
93.9 |
0.099 |
2030 |
46.9 |
0.101 |
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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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