11495-4604 FIN 366 AB (HD 102703)
11h 49m 27.90s -46° 04' 03.1" P.A. 122.00 sep 0.1 mag 7.58,8.75 Sp Fm dist. 162.87 pc (531.28 l.y.)
| Coord 2000 |
11495-4604 |
|
Discov num |
FIN 366 |
|
Comp |
AB |
|
Coord arcsec 2000 |
11 49 27.90 -46 04 03.1 |
|
| Date first |
1960 |
|
Date last |
2020 |
|
Obs |
20 |
|
| Pa first |
327 |
|
Pa last |
121.9 |
|
P.A. Now (θ) |
133.7° |
|
| Sep first |
0.1 |
|
Sep last |
0.118 |
|
Sep. Now (ρ) |
0.141" |
|
| Mag pri |
7.58 |
|
Mag sec |
8.75 |
|
delta mag (ΔM) |
1.17 |
|
Spectral class |
Fm (yellow-white) |
|
| Pri motion ra |
-053 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
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|
| Notes |
O
W
(Orbital solution, ) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 102703 |
|
Constellation |
Centaurus |
|
SAO |
223042 |
|
HIP |
57657 |
|
| Tycho2 |
8216-00270-1 |
|
HD |
102703 |
|
GC |
16197 |
|
CD |
CD-45 7312 |
|
| CP |
CP-45 5630 |
|
Distance |
162.87 |
|
Distance ly |
531.28 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 11495-4604 FIN 366 |
| coord_arcsec_2000 | 114927.90-460403.1 |
| Period (P) | 67.6y | ± 13.3 |
Periastron (T) | 1966.3y | ± 2.5 |
Semi-major axis (a) | 0.237a | ± 0.056 |
| Eccentricity (e) | 0.595 | ± 0.097 |
Inclination (i) | 75.4° | ± 4.7 |
Longitude of periastron (ω) | 71° | ± 16 |
| Node (Ω) | 155.1° | ± 4.8 |
Notes | | |
Reference | Tok2014a | |
| Equinox | 2000 | |
Last observation | 2013 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
11.0 |
0.153 |
| 2001 |
13.8 |
0.145 |
| 2002 |
16.8 |
0.138 |
| 2003 |
20.2 |
0.130 |
| 2004 |
24.0 |
0.122 |
| 2005 |
28.3 |
0.115 |
| 2006 |
33.2 |
0.108 |
| 2007 |
38.6 |
0.102 |
| 2008 |
44.7 |
0.097 |
| 2009 |
51.5 |
0.093 |
| 2010 |
58.7 |
0.090 |
| 2011 |
66.4 |
0.088 |
| 2012 |
74.3 |
0.088 |
| 2013 |
82.1 |
0.089 |
| 2014 |
89.7 |
0.091 |
| 2015 |
96.7 |
0.095 |
| 2016 |
103.2 |
0.099 |
| 2017 |
109.1 |
0.104 |
| 2018 |
114.3 |
0.110 |
| 2019 |
119.1 |
0.117 |
| 2020 |
123.3 |
0.123 |
| 2021 |
127.1 |
0.129 |
| 2022 |
130.6 |
0.135 |
| 2023 |
133.7 |
0.141 |
| 2024 |
136.7 |
0.146 |
| 2025 |
139.5 |
0.150 |
| 2026 |
142.1 |
0.152 |
| 2027 |
144.7 |
0.152 |
| 2028 |
147.4 |
0.150 |
| 2029 |
150.1 |
0.145 |
| 2030 |
153.2 |
0.136 |
|
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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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