09327+0152 FIN 349

 
 
09H 32M 41.41S +01 51' 51.3" P.A. 123.8 SEP 0.11 MAG 6.87,7.12 SP F7IV-V DIST. 116.69 PC (380.64 L.Y.)
 
 
Coord 2000
09327+0152
Discov num
FIN 349
Comp
Coord arcsec 2000
09 32 41.41 +01 51 51.3
Date first
1959
Date last
2015
Obs
55
Pa first
253
Pa last
112
P.A. Now (θ)
123.8°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.11"
Mag pri
6.87
Mag sec
7.12
delta mag (ΔM)
0.25
Spectral class
F7IV-V (yellow-white)
Pri motion ra
-020
Sec motion ra
Pri motion dec
-038
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
111.7
Precise sep
0.091
Constellation
Hydra
SAO
117757
HIP
46840
Tycho2
0235-02367-1
HD
82543
HR
3794
BD
BD+02 2217
Distance
116.69
Distance ly
380.64
last precise pa
111.7
last precise sep
0.091
 
 
ORBITAL ELEMENTS
 
 
Period (P)40.57y± 0.19 Periastron (T)1972.12y± 0.16 Semi-major axis (a)0.154a± 0.001
Eccentricity (e)0.42± 0.009 Inclination (i)54.7°± 0.6 Longitude of periastron (ω)72.6°± 0.8
Node (Ω)318.6°± 0.6 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.121 253.8
2001 0.122 261.3
2002 0.124 268.5
2003 0.126 275.6
2004 0.128 282.5
2005 0.129 289.2
2006 0.128 295.9
2007 0.126 302.6
2008 0.122 309.8
2009 0.114 317.7
2010 0.102 327.2
2011 0.085 339.9
2012 0.066 359.4
2013 0.053 31.6
2014 0.057 70.5
2015 0.074 97.6
2016 0.094 113.5
2017 0.113 123.8
2018 0.129 131.3
2019 0.142 137.3
2020 0.152 142.3
2021 0.159 146.9
2022 0.164 151.1
2023 0.167 155.1
2024 0.168 159.0
2025 0.168 163.0
2026 0.166 166.9
2027 0.163 171.0
2028 0.160 175.2
2029 0.156 179.6
2030 0.151 184.3

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