14540+2335 REU   2

 
 
14H 53M 51.40S +23 33' 20.9" P.A. 81.7 SEP 0.73 MAG 12.24,12.66 SP M5V DIST. 10.16 PC (33.14 L.Y.)
 
 
Coord 2000
14540+2335
Discov num
REU   2
Comp
Coord arcsec 2000
14 53 51.40 +23 33 20.9
Date first
1940
Date last
2014
Obs
19
Pa first
103
Pa last
93
P.A. Now (θ)
81.7°
Sep first
0.9
Sep last
1.0
Sep. Now (ρ)
0.73"
Mag pri
12.24
Mag sec
12.66
delta mag (ΔM)
0.42
Spectral class
M5V (red)
Pri motion ra
-680
Sec motion ra
Pri motion dec
+103
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
HIP
72896
Tycho2
2017-00588-3
GL
Gl 568A
Distance
10.16
Distance ly
33.14
last precise pa
92.5
last precise sep
0.957
 
 
ORBITAL ELEMENTS
 
 
Period (P)30.96y Periastron (T)1994.4y Semi-major axis (a)0.666a
Eccentricity (e)0.73 Inclination (i)123° Longitude of periastron (ω)22°
Node (Ω)292° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.784 118.3
2001 0.866 115.5
2002 0.933 113.1
2003 0.987 111.0
2004 1.030 109.2
2005 1.063 107.4
2006 1.086 105.7
2007 1.100 104.1
2008 1.106 102.6
2009 1.103 101.0
2010 1.092 99.4
2011 1.074 97.8
2012 1.047 96.1
2013 1.013 94.2
2014 0.972 92.3
2015 0.922 90.2
2016 0.865 87.8
2017 0.799 85.0
2018 0.725 81.7
2019 0.643 77.6
2020 0.552 72.2
2021 0.454 64.5
2022 0.352 52.5
2023 0.255 30.9
2024 0.198 350.9
2025 0.192 300.3
2026 0.127 217.7
2027 0.264 150.9
2028 0.432 134.2
2029 0.573 126.5
2030 0.690 121.7

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