14540+2335 REU   2

 
 
14h 53m 51.40s +23 33' 20.9" P.A. 66.50 sep 0.5 mag 12.24,12.66 Sp M3V 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
2019
Obs
21
Pa first
103
Pa last
79
P.A. Now (θ)
66.5°
Sep first
0.9
Sep last
0.6
Sep. Now (ρ)
0.47"
Mag pri
12.24
Mag sec
12.66
delta mag (ΔM)
0.42
Spectral class
M3V (red)
Pri motion ra
-694
Sec motion ra
Pri motion dec
+090
Sec motion dec
Notes
N O (See Notes, Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
79.1
Precise sep
0.642
Constellation
Bootes
HIP
72896
Tycho2
2017-00588-3
GL
Gl 568A
Distance
10.16
Distance ly
33.14
last precise pa
79.1
last precise sep
0.642
 
 
ORBITAL ELEMENTS
 
 
Period (P)31.45y± 0.42 Periastron (T)1992.61y± 0.53 Semi-major axis (a)0.626a± 0.033
Eccentricity (e)0.839± 0.046 Inclination (i)143°± 15 Longitude of periastron (ω)25°± 25
Node (Ω)303°± 22 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.919 117.2
2001 0.971 115.0
2002 1.014 113.1
2003 1.049 111.2
2004 1.076 109.5
2005 1.095 107.8
2006 1.108 106.2
2007 1.115 104.7
2008 1.115 103.1
2009 1.108 101.5
2010 1.096 99.9
2011 1.077 98.3
2012 1.051 96.6
2013 1.020 94.7
2014 0.981 92.8
2015 0.935 90.7
2016 0.882 88.3
2017 0.820 85.6
2018 0.750 82.5
2019 0.670 78.6
2020 0.578 73.6
2021 0.474 66.5
2022 0.353 54.9
2023 0.218 29.7
2024 0.102 294.4
2025 0.225 163.5
2026 0.401 142.4
2027 0.540 133.5
2028 0.653 128.1
2029 0.747 124.1
2030 0.826 120.9

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






wds14540%2B2335c.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
14540+2335 REU 2 1991 13 35 0.2 12.24 12.66 M5V NO 145351.90+233319.9
14540+2335 REU 2 2008 14 102 1.1 12.24 12.66 M5V NO 145351.90+233319.9
14540+2335 REU 2 2010 15 99 1.1 12.24 12.66 M5V NO 145351.90+233319.9
14540+2335 REU 2 2014 17 93 1.0 12.24 12.66 M5V NO 145351.90+233319.9
14540+2335 REU 2 2019 21 79 0.6 12.24 12.66 M3V NO 145351.40+233320.9

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