14404+2159 MCA  40

 
 
14H 40M 21.88S +21 58' 32.8" P.A. 303.4 SEP 0.03 MAG 6.05,7.10 SP G0V DIST. 116.28 PC (379.31 L.Y.)
 
 
Coord 2000
14404+2159
Discov num
MCA  40
Comp
Coord arcsec 2000
14 40 21.88 +21 58 32.8
Date first
1977
Date last
2012
Obs
48
Pa first
89
Pa last
222
P.A. Now (θ)
303.4°
Sep first
0.1
Sep last
0.0
Sep. Now (ρ)
0.03"
Mag pri
6.05
Mag sec
7.10
delta mag (ΔM)
1.05
Spectral class
G0V (yellow)
Pri motion ra
-019
Sec motion ra
Pri motion dec
+040
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
SAO
83458
HIP
71729
Tycho2
1483-00948-1
HD
129132
HR
5472
BD
BD+22 2731
Distance
116.28
Distance ly
379.31
last precise pa
222
last precise sep
0.031
 
 
ORBITAL ELEMENTS
 
 
Period (P)9.151y± 0.041 Periastron (T)2003.66y± 0.28 Semi-major axis (a)71m± 0.6
Eccentricity (e)0.049± 0.021 Inclination (i)107.4°± 0.6 Longitude of periastron (ω)265°± 13
Node (Ω)79°± 0.6 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.040 288.5
2001 0.066 266.9
2002 0.068 254.6
2003 0.041 234.7
2004 0.023 139.1
2005 0.056 92.0
2006 0.071 78.2
2007 0.058 64.7
2008 0.028 27.6
2009 0.035 295.0
2010 0.063 269.1
2011 0.069 256.5
2012 0.046 239.4
2013 0.021 158.4
2014 0.051 95.1
2015 0.071 80.0
2016 0.061 67.2
2017 0.032 37.7
2018 0.030 303.4
2019 0.060 271.4
2020 0.070 258.3
2021 0.051 243.1
2022 0.021 180.1
2023 0.046 98.8
2024 0.070 81.8
2025 0.064 69.5
2026 0.037 45.4
2027 0.026 314.7
2028 0.056 274.1
2029 0.071 260.1
2030 0.056 246.2

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