01089-2937 I 262 (HD 6868)
01h 08m 51.80s -29° 37' 21.0" P.A. 84.00 sep 0.5 mag 8.66,9.41 Sp F5V dist. 100.5 pc (327.83 l.y.)
Coord 2000 |
01089-2937 |
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Discov num |
I 262 |
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Comp |
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Coord arcsec 2000 |
01 08 51.80 -29 37 21.0 |
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Date first |
1898 |
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Date last |
2008 |
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Obs |
23 |
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Pa first |
170 |
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Pa last |
83.8 |
|
P.A. Now (θ) |
83.8° |
|
Sep first |
0.8 |
|
Sep last |
0.519 |
|
Sep. Now (ρ) |
0.519" |
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Mag pri |
8.66 |
|
Mag sec |
9.41 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
F5V (yellow-white) |
|
Pri motion ra |
+027 |
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Sec motion ra |
+027 |
|
Pri motion dec |
-037 |
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Sec motion dec |
-037 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 6868 |
|
Constellation |
Sculptor |
|
SAO |
166834 |
|
HIP |
5383 |
|
Tycho2 |
6427-00533-1 |
|
Gaia DR2 |
5032808081492470784 |
|
HD |
6868 |
|
CD |
CD-30 360 |
|
CP |
CP-30 118 |
|
Distance |
100.5 |
|
Distance ly |
327.83 |
|
ORBITAL ELEMENTS
Period (P) | 663.9y | |
Periastron (T) | 1398.89y | |
Semi-major axis (a) | 0.939a | |
Eccentricity (e) | 0.369 | |
Inclination (i) | 130.9° | |
Longitude of periastron (ω) | 1.2° | |
Node (Ω) | 34.7° | |
Notes | | |
Reference | Zir2013d | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
93.2 |
0.511 |
2001 |
92.1 |
0.512 |
2002 |
91.0 |
0.513 |
2003 |
89.9 |
0.514 |
2004 |
88.8 |
0.515 |
2005 |
87.7 |
0.516 |
2006 |
86.6 |
0.517 |
2007 |
85.5 |
0.518 |
2008 |
84.4 |
0.519 |
2009 |
83.4 |
0.521 |
2010 |
82.3 |
0.522 |
2011 |
81.2 |
0.523 |
2012 |
80.2 |
0.525 |
2013 |
79.1 |
0.526 |
2014 |
78.1 |
0.528 |
2015 |
77.0 |
0.530 |
2016 |
76.0 |
0.531 |
2017 |
75.0 |
0.533 |
2018 |
73.9 |
0.535 |
2019 |
72.9 |
0.537 |
2020 |
71.9 |
0.538 |
2021 |
70.9 |
0.540 |
2022 |
69.9 |
0.542 |
2023 |
69.0 |
0.544 |
2024 |
68.0 |
0.546 |
2025 |
67.0 |
0.548 |
2026 |
66.0 |
0.550 |
2027 |
65.1 |
0.552 |
2028 |
64.1 |
0.554 |
2029 |
63.2 |
0.556 |
2030 |
62.2 |
0.557 |
2031 |
61.3 |
0.559 |
2032 |
60.4 |
0.561 |
2033 |
59.5 |
0.563 |
2034 |
58.5 |
0.565 |
2035 |
57.6 |
0.567 |
2036 |
56.7 |
0.568 |
2037 |
55.8 |
0.570 |
2038 |
54.9 |
0.572 |
2039 |
54.0 |
0.573 |
2040 |
53.2 |
0.575 |
2041 |
52.3 |
0.576 |
2042 |
51.4 |
0.578 |
2043 |
50.5 |
0.579 |
2044 |
49.7 |
0.581 |
2045 |
48.8 |
0.582 |
2046 |
48.0 |
0.583 |
2047 |
47.1 |
0.584 |
2048 |
46.3 |
0.585 |
2049 |
45.4 |
0.586 |
2050 |
44.6 |
0.587 |
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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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