16115+0943 FIN 354

 
 
16H 11M 29.76S +09 42' 43.2" P.A. 258.3 SEP 0.05 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
84
P.A. Now (θ)
258.3°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.05"
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
 
 
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)82.9°± 1 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.023 275.0
2001 0.037 270.1
2002 0.050 267.9
2003 0.063 266.6
2004 0.075 265.7
2005 0.085 265.0
2006 0.094 264.5
2007 0.102 264.1
2008 0.107 263.7
2009 0.111 263.4
2010 0.112 263.1
2011 0.112 262.7
2012 0.109 262.4
2013 0.104 262.1
2014 0.096 261.6
2015 0.087 261.2
2016 0.076 260.5
2017 0.063 259.7
2018 0.049 258.3
2019 0.034 255.9
2020 0.018 249.3
2021 0.005 193.5
2022 0.015 99.9
2023 0.031 91.1
2024 0.046 88.2
2025 0.060 86.7
2026 0.074 85.8
2027 0.086 85.1
2028 0.097 84.6
2029 0.107 84.3
2030 0.115 83.9

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic