16115+0943 FIN 354

 
 
16h 11m 29.76s +09 42' 43.2" P.A. 259.7 sep 0.06 mag 7.19,7.52 Sp F0IV dist. 162.34 pc (529.55 l.y.)
 
 
Coord 2000
16115+0943
Discov num
FIN 354
Comp
Coord arcsec 2000
16 11 29.76 +09 42 43.2
Date first
1959
Date last
2015
Obs
44
Pa first
96
Pa last
264
P.A. Now (θ)
259.7°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.06"
Mag pri
7.19
Mag sec
7.52
delta mag (ΔM)
0.33
Spectral class
F0IV (yellow-white)
Pri motion ra
+026
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.1
Precise sep
0.126
Constellation
Hercules
SAO
121414
HIP
79337
Tycho2
0949-00316-1
HD
145589
HR
6032
BD
BD+10 2971
Distance
162.34
Distance ly
529.55
last precise pa
84.1
last precise sep
0.126
 
 
ORBITAL ELEMENTS
 
 
Period (P)50.16y± 2 Periastron (T)2014.57y± 0.57 Semi-major axis (a)0.122a± 0.002
Eccentricity (e)0.093± 0.03 Inclination (i)92.2°± 1 Longitude of periastron (ω)214.7°± 10
Node (Ω)262.9°± 1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.023 95.0
2001 0.037 90.1
2002 0.050 87.9
2003 0.063 86.6
2004 0.075 85.7
2005 0.085 85.0
2006 0.094 84.5
2007 0.102 84.1
2008 0.107 83.7
2009 0.111 83.4
2010 0.112 83.1
2011 0.112 82.7
2012 0.109 82.4
2013 0.104 82.1
2014 0.096 81.6
2015 0.087 81.2
2016 0.076 80.5
2017 0.063 79.7
2018 0.049 78.3
2019 0.034 75.9
2020 0.018 69.3
2021 0.005 13.5
2022 0.015 279.9
2023 0.031 271.1
2024 0.046 268.2
2025 0.060 266.7
2026 0.074 265.8
2027 0.086 265.1
2028 0.097 264.6
2029 0.107 264.3
2030 0.115 263.9

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

grafico orbita





wds16115%2B0943c.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
16115+0943 FIN 354 1992 39 79 0.1 7.19 7.52 F0IV O 161129.76+094243.2
16115+0943 FIN 354 2009 42 264 0.1 7.19 7.52 F0IV O 161129.76+094243.2
16115+0943 FIN 354 2015 44 264 0.1 7.19 7.52 F0IV NO 161129.76+094243.2

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