13539+1008 BU  614AB

 
 
13H 53M 56.79S +10 08' 19.9" P.A. 99.2 SEP 0.45 MAG 8.02,9.95 SP F0 DIST. 141.84 PC (462.68 L.Y.)
 
 
Coord 2000
13539+1008
Discov num
BU  614
Comp
AB
Coord arcsec 2000
13 53 56.79 +10 08 19.9
Date first
1878
Date last
2010
Obs
36
Pa first
270
Pa last
105
P.A. Now (θ)
99.2°
Sep first
0.6
Sep last
0.4
Sep. Now (ρ)
0.45"
Mag pri
8.02
Mag sec
9.95
delta mag (ΔM)
1.93
Spectral class
F0 (yellow-white)
Pri motion ra
-023
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
13539+1008 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 100758 13539+1008 BU 614 AB 1878 2010 36 99 0.4 8.02 9.95 1.93 Y <===
Show 100758 13539+1008 FOX 179 AB,C 1910 2003 9 43 98.3 7.85 10.48 2.63
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
SAO
100758
HIP
67860
Tycho2
0903-01025-1
HD
121215
ADS
9047
BD
BD+10 2603
Distance
141.84
Distance ly
462.68
last precise pa
104.9
last precise sep
0.44
 
 
ORBITAL ELEMENTS
 
 
Period (P)830.72y Periastron (T)1969.06y Semi-major axis (a)0.899a
Eccentricity (e)0.543 Inclination (i)125.9° Longitude of periastron (ω)333.1°
Node (Ω)128.3° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.445 114.7
2001 0.446 113.9
2002 0.446 113.0
2003 0.446 112.1
2004 0.447 111.3
2005 0.447 110.4
2006 0.447 109.5
2007 0.447 108.7
2008 0.447 107.8
2009 0.447 106.9
2010 0.447 106.1
2011 0.447 105.2
2012 0.447 104.4
2013 0.447 103.5
2014 0.446 102.6
2015 0.446 101.8
2016 0.446 100.9
2017 0.445 100.0
2018 0.445 99.2
2019 0.445 98.3
2020 0.444 97.4
2021 0.444 96.5
2022 0.444 95.7
2023 0.443 94.8
2024 0.443 93.9
2025 0.442 93.0
2026 0.442 92.1
2027 0.442 91.3
2028 0.441 90.4
2029 0.441 89.5
2030 0.441 88.6

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