12446-5717 FIN 65 AB (HD 110698)
12h 44m 34.99s -57° 17' 12.8" P.A. 79.00 sep 0.3 mag 6.99,8.18 Sp A0IV/V dist. 111.23 pc (362.83 l.y.)
Coord 2000 |
12446-5717 |
|
Discov num |
FIN 65 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 44 34.99 -57 17 12.8 |
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Date first |
1928 |
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Date last |
2019 |
|
Obs |
22 |
|
Pa first |
237 |
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Pa last |
79.4 |
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P.A. Now (θ) |
79.4° |
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Sep first |
0.2 |
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Sep last |
0.31 |
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Sep. Now (ρ) |
0.31" |
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Mag pri |
6.99 |
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Mag sec |
8.18 |
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delta mag (ΔM) |
1.19 |
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Spectral class |
A0IV/V (white) |
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Pri motion ra |
-031 |
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Sec motion ra |
|
|
Pri motion dec |
-014 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
12446-5717 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 110698 |
240203 |
12 44 35 -57 17 13 |
FIN 65 AB |
2019 |
22 |
79 |
0.3 |
6.99 |
8.18 |
1.19 |
Y |
<=== |
Show |
|
240203 |
12 44 35 -57 17 13 |
KOU 16 AC |
2015 |
4 |
130 |
12.4 |
7.20 |
14.00 |
6.80 |
|
|
Show |
|
240203 |
12 44 35 -57 17 13 |
KOU 16 AD |
2000 |
1 |
256 |
4.5 |
7.20 |
14.60 |
7.40 |
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Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 110698 |
|
Constellation |
Crux |
|
SAO |
240203 |
|
HIP |
62179 |
|
Tycho2 |
8655-04051-1 |
|
Gaia DR2 |
6060946629969578240 |
|
HD |
110698 |
|
GC |
17320 |
|
CP |
CP-56 5410 |
|
Distance |
111.23 |
|
Distance ly |
362.83 |
|
ORBITAL ELEMENTS
Period (P) | 200y | ± 10 |
Periastron (T) | 1952.75y | ± 0.5 |
Semi-major axis (a) | 0.404a | ± 0.01 |
Eccentricity (e) | 0.518 | ± 0.01 |
Inclination (i) | 111.3° | ± 0.5 |
Longitude of periastron (ω) | 143.7° | ± 2 |
Node (Ω) | 48.7° | ± 1 |
Notes | n | |
Reference | Doc2013d | |
Equinox | 2000 | |
Last observation | 2010 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
107.5 |
0.201 |
2001 |
105.3 |
0.207 |
2002 |
103.2 |
0.213 |
2003 |
101.3 |
0.220 |
2004 |
99.4 |
0.226 |
2005 |
97.7 |
0.233 |
2006 |
96.1 |
0.240 |
2007 |
94.5 |
0.247 |
2008 |
93.1 |
0.254 |
2009 |
91.7 |
0.261 |
2010 |
90.4 |
0.268 |
2011 |
89.1 |
0.275 |
2012 |
88.0 |
0.282 |
2013 |
86.8 |
0.289 |
2014 |
85.8 |
0.296 |
2015 |
84.8 |
0.303 |
2016 |
83.8 |
0.310 |
2017 |
82.8 |
0.317 |
2018 |
82.0 |
0.323 |
2019 |
81.1 |
0.330 |
2020 |
80.3 |
0.337 |
2021 |
79.5 |
0.344 |
2022 |
78.7 |
0.350 |
2023 |
78.0 |
0.357 |
2024 |
77.3 |
0.364 |
2025 |
76.6 |
0.370 |
2026 |
76.0 |
0.376 |
2027 |
75.3 |
0.383 |
2028 |
74.7 |
0.389 |
2029 |
74.1 |
0.395 |
2030 |
73.6 |
0.401 |
|
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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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