18063+3824 HU 1186

 
 
18h 06m 16.32s +38 24' 01.4" P.A. 190.8 sep 0.06 mag 9.12,9.34 Sp F8 dist. 87.18 pc (284.38 l.y.)
 
 
Coord 2000
18063+3824
Discov num
HU 1186
Comp
Coord arcsec 2000
18 06 16.32 +38 24 01.4
Date first
1905
Date last
2009
Obs
71
Pa first
130
Pa last
123
P.A. Now (θ)
190.8°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.06"
Mag pri
9.12
Mag sec
9.34
delta mag (ΔM)
0.22
Spectral class
F8 (yellow-white)
Pri motion ra
-017
Sec motion ra
-017
Pri motion dec
-010
Sec motion dec
-010
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
123.3
Precise sep
0.3
Constellation
Hercules
SAO
66634
HIP
88685
Tycho2
3102-02169-1
ADS
11071
BD
BD+38 3077
Distance
87.18
Distance ly
284.38
last precise pa
123.3
last precise sep
0.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)104.3y Periastron (T)1925.94y Semi-major axis (a)0.32a
Eccentricity (e)0.401 Inclination (i)76.3° Longitude of periastron (ω)355.8°
Node (Ω)281.2° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2000
label rho theta
2000 0.326 110.4
2001 0.314 111.2
2002 0.301 112.0
2003 0.288 112.9
2004 0.274 113.9
2005 0.259 114.9
2006 0.244 116.2
2007 0.228 117.5
2008 0.212 119.1
2009 0.195 121.0
2010 0.178 123.2
2011 0.161 125.9
2012 0.143 129.2
2013 0.126 133.5
2014 0.109 139.1
2015 0.093 146.7
2016 0.078 157.4
2017 0.067 172.0
2018 0.062 190.8
2019 0.063 210.8
2020 0.071 228.0
2021 0.084 241.0
2022 0.098 250.4
2023 0.114 257.2
2024 0.129 262.4
2025 0.144 266.5
2026 0.158 269.9
2027 0.170 272.7
2028 0.179 275.3
2029 0.186 277.5
2030 0.191 279.7

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds18063%2B3824a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18063+3824 HU 1186 2000 69 110 0.4 9.12 9.34 F8 NOD 180616.32+382401.4
18063+3824 HU 1186 2007 70 115 0.3 9.12 9.34 F8 NOD 180616.32+382401.4
18063+3824 HU 1186 2009 73 123 0.3 9.12 9.34 F8 NOD 180616.32+382401.4

If you need more information about this double, apply for a data request form to the WDS.