12157-8047 FIN 195 (HD 106508)
12h 15m 44.74s -80° 47' 04.9" P.A. 57.00 sep 0.1 mag 8.41,9.15 Sp B9.5V dist. 296.74 pc (967.97 l.y.)
Coord 2000 |
12157-8047 |
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Discov num |
FIN 195 |
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Comp |
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Coord arcsec 2000 |
12 15 44.74 -80 47 04.9 |
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Date first |
1928 |
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Date last |
2019 |
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Obs |
6 |
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Pa first |
318 |
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Pa last |
57 |
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P.A. Now (θ) |
57° |
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Sep first |
0.4 |
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Sep last |
0.113 |
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Sep. Now (ρ) |
0.113" |
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Mag pri |
8.41 |
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Mag sec |
9.15 |
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delta mag (ΔM) |
0.74 |
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Spectral class |
B9.5V (blue-white) |
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Pri motion ra |
-031 |
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Sec motion ra |
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Pri motion dec |
+002 |
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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 106508 |
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Constellation |
Chamaeleon |
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HIP |
59798 |
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Tycho2 |
9424-00872-1 |
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Gaia DR2 |
5787161156518623616 |
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HD |
106508 |
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CP |
CP-80 646 |
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Distance |
296.74 |
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Distance ly |
967.97 |
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ORBITAL ELEMENTS
Period (P) | 280y | |
Periastron (T) | 2032.74y | |
Semi-major axis (a) | 0.322a | |
Eccentricity (e) | 0.754 | |
Inclination (i) | 60° | |
Longitude of periastron (ω) | 44.6° | |
Node (Ω) | 96.1° | |
Notes | | |
Reference | Tok2020g | |
Equinox | 2000 | |
Last observation | 2019 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
4.0 |
0.151 |
2001 |
6.0 |
0.148 |
2002 |
8.0 |
0.145 |
2003 |
10.2 |
0.142 |
2004 |
12.4 |
0.139 |
2005 |
14.7 |
0.137 |
2006 |
17.1 |
0.134 |
2007 |
19.5 |
0.132 |
2008 |
22.1 |
0.130 |
2009 |
24.7 |
0.127 |
2010 |
27.5 |
0.125 |
2011 |
30.3 |
0.124 |
2012 |
33.2 |
0.122 |
2013 |
36.2 |
0.120 |
2014 |
39.3 |
0.119 |
2015 |
42.4 |
0.118 |
2016 |
45.6 |
0.116 |
2017 |
48.9 |
0.115 |
2018 |
52.2 |
0.114 |
2019 |
55.6 |
0.113 |
2020 |
59.0 |
0.112 |
2021 |
62.5 |
0.111 |
2022 |
66.0 |
0.110 |
2023 |
69.7 |
0.109 |
2024 |
73.4 |
0.108 |
2025 |
77.2 |
0.106 |
2026 |
81.2 |
0.104 |
2027 |
85.4 |
0.101 |
2028 |
89.9 |
0.097 |
2029 |
94.8 |
0.092 |
2030 |
100.4 |
0.086 |
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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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