18068+0853 TOK 696 Aa,Ab
18h 06m 50.78s +08° 52' 33.4" P.A. 207.00 sep 0.0 mag 7.60,7.90 Sp F5 dist. 40.42 pc (131.85 l.y.)
Coord 2000 |
18068+0853 |
|
Discov num |
TOK 696 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 06 50.78 +08 52 33.4 |
|
Date first |
2015 |
|
Date last |
2015 |
|
Obs |
1 |
|
Pa first |
207 |
|
Pa last |
206.9 |
|
P.A. Now (θ) |
206.9° |
|
Sep first |
0.0 |
|
Sep last |
0.012 |
|
Sep. Now (ρ) |
0.012" |
|
Mag pri |
7.60 |
|
Mag sec |
7.90 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
+039 |
|
Sec motion ra |
|
|
Pri motion dec |
-150 |
|
Sec motion dec |
|
|
Notes |
N
X
(See Notes, Dubious double) |
|
Nature of this double is uncertain.
18068+0853 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
123133 |
18 06 51 +08 52 33 |
TOK 696 Aa,Ab |
2015 |
1 |
207 |
0.0 |
7.60 |
7.90 |
0.30 |
|
<=== |
Show |
HD 165670 |
123133 |
18 06 51 +08 52 33 |
ENG 63 AB |
2015 |
18 |
247 |
129.1 |
7.02 |
10.58 |
3.56 |
|
|
Show |
|
123133 |
18 06 51 +08 52 33 |
BUP 179 AC |
2015 |
5 |
316 |
79.9 |
7.02 |
14.49 |
7.47 |
|
|
Show |
|
123133 |
18 06 51 +08 52 33 |
SLE 133 AD |
2015 |
5 |
10 |
127.1 |
7.02 |
13.36 |
6.34 |
|
|
Show |
|
123133 |
18 06 51 +08 52 33 |
SLE 133 AE |
2015 |
8 |
76 |
148.9 |
7.02 |
11.80 |
4.78 |
|
|
Show |
|
123133 |
18 06 51 +08 52 33 |
SLE 133 AF |
2015 |
7 |
334 |
172.8 |
7.02 |
12.88 |
5.86 |
|
|
Show |
|
123133 |
18 06 51 +08 52 33 |
DEA 58 AH |
2015 |
3 |
169 |
8.0 |
5.74 |
9.88 |
4.14 |
|
|
Show |
|
|
18 06 43 +08 51 40 |
SLE 133 BF |
2015 |
9 |
12 |
210.5 |
10.58 |
12.88 |
2.30 |
|
|
Show |
|
|
18 06 43 +08 51 40 |
BUP 179 BG |
2015 |
8 |
37 |
80.0 |
10.58 |
13.13 |
2.55 |
|
|
Ninefold system
8 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Ophiuchus |
|
SAO |
123133 |
|
HIP |
88728 |
|
Tycho2 |
1008-00401-1 |
|
Gaia DR2 |
4482248936925366400 |
|
HD |
165670 |
|
BD |
BD+08 3581 |
|
Distance |
40.42 |
|
Distance ly |
131.85 |
|
SUSPECTED ORBITAL ELEMENTS
Identifier | 18068+0853 |
coord_arcsec_2000 | 180650.75+085234.7 |
Period (P) | 1044.2089d (2.86y) | ± 112.8658 |
Periastron (T) | 47504.1719d (1988.938y) | ± 90.7798 |
Semi-major axis (a) | 14.25m | ± 1.28 |
Eccentricity (e) | 0 | |
Inclination (i) | 119.94° | ± 6.95 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 12.19° | ± 8.6 |
Notes | n | |
Reference | HIP1997d | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
40.4 |
0.011 |
2001-01-01 |
303.7 |
0.008 |
2002-01-01 |
179.2 |
0.013 |
2003-01-01 |
27.8 |
0.013 |
2004-01-01 |
269.1 |
0.007 |
2005-01-01 |
167.6 |
0.012 |
2006-01-01 |
18.0 |
0.014 |
2007-01-01 |
240.0 |
0.009 |
2008-01-01 |
151.0 |
0.009 |
2009-01-01 |
9.1 |
0.014 |
2010-01-01 |
221.1 |
0.011 |
2011-01-01 |
125.2 |
0.008 |
2012-01-01 |
359.7 |
0.013 |
2013-01-01 |
208.3 |
0.013 |
2014-01-01 |
90.7 |
0.007 |
2015-01-01 |
348.2 |
0.012 |
2016-01-01 |
198.4 |
0.014 |
2017-01-01 |
61.0 |
0.009 |
2018-01-01 |
331.9 |
0.009 |
2019-01-01 |
189.5 |
0.014 |
2020-01-01 |
41.8 |
0.011 |
2021-01-01 |
306.6 |
0.008 |
2022-01-01 |
180.1 |
0.013 |
2023-01-01 |
28.8 |
0.013 |
2024-01-01 |
272.2 |
0.007 |
2025-01-01 |
168.8 |
0.012 |
2026-01-01 |
18.8 |
0.014 |
2027-01-01 |
242.1 |
0.009 |
2028-01-01 |
152.8 |
0.010 |
2029-01-01 |
9.9 |
0.014 |
2030-01-01 |
222.5 |
0.011 |
|
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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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