16416+3053 LSC 66 (HD 150710)
16h 41m 34.73s +30° 52' 32.7" P.A. 98.00 sep 0.0 mag 7.60,8.10 Sp F5 dist. 57.67 pc (188.12 l.y.)
Coord 2000 |
16416+3053 |
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Discov num |
LSC 66 |
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Comp |
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Coord arcsec 2000 |
16 41 34.73 +30 52 32.7 |
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Date first |
2011 |
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Date last |
2014 |
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Obs |
4 |
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Pa first |
111 |
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Pa last |
98.2 |
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P.A. Now (θ) |
98.2° |
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Sep first |
0.0 |
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Sep last |
0.033 |
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Sep. Now (ρ) |
0.033" |
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Mag pri |
7.60 |
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Mag sec |
8.10 |
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delta mag (ΔM) |
0.5 |
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Spectral class |
F5 (yellow-white) |
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Pri motion ra |
-049 |
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Sec motion ra |
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Pri motion dec |
+007 |
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Sec motion dec |
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Notes |
N
(See Notes) |
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Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 150710 |
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Constellation |
Hercules |
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SAO |
65487 |
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HIP |
81726 |
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Tycho2 |
2582-00686-1 |
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Gaia DR2 |
1312345747129055744 |
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HD |
150710 |
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GC |
22471 |
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BD |
BD+31 2886 |
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Distance |
57.67 |
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Distance ly |
188.12 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 16416+3053 |
coord_arcsec_2000 | 164134.77+305232.7 |
Period (P) | 919.8579d (2.52y) | ± 29.352 |
Periastron (T) | 48087.6484d (1990.535y) | ± 88.6555 |
Semi-major axis (a) | 13.6m | ± 0.94 |
Eccentricity (e) | 0.0946 | ± 0.1374 |
Inclination (i) | 82.98° | ± 4.98 |
Longitude of periastron (ω) | 101.06° | ± 40.07 |
Node (Ω) | 95.75° | ± 4.03 |
Notes | n | |
Reference | HIP1997d | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
96.1 |
0.014 |
2001-01-01 |
274.1 |
0.013 |
2002-01-01 |
82.1 |
0.007 |
2003-01-01 |
128.0 |
0.003 |
2004-01-01 |
285.3 |
0.009 |
2005-01-01 |
95.5 |
0.014 |
2006-01-01 |
273.3 |
0.012 |
2007-01-01 |
79.2 |
0.006 |
2008-01-01 |
117.2 |
0.004 |
2009-01-01 |
283.9 |
0.009 |
2010-01-01 |
94.9 |
0.014 |
2011-01-01 |
272.5 |
0.012 |
2012-01-01 |
75.1 |
0.005 |
2013-01-01 |
111.4 |
0.005 |
2014-01-01 |
282.6 |
0.010 |
2015-01-01 |
94.3 |
0.014 |
2016-01-01 |
271.5 |
0.011 |
2017-01-01 |
68.8 |
0.004 |
2018-01-01 |
107.8 |
0.006 |
2019-01-01 |
281.6 |
0.011 |
2020-01-01 |
93.6 |
0.013 |
2021-01-01 |
270.4 |
0.010 |
2022-01-01 |
58.6 |
0.003 |
2023-01-01 |
105.4 |
0.008 |
2024-01-01 |
280.6 |
0.012 |
2025-01-01 |
92.9 |
0.013 |
2026-01-01 |
269.1 |
0.009 |
2027-01-01 |
40.0 |
0.002 |
2028-01-01 |
103.5 |
0.009 |
2029-01-01 |
279.8 |
0.012 |
2030-01-01 |
92.2 |
0.013 |
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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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