14135+5147 STF1821AB (Kap2 Boo)

 
 
14H 13M 29.00S +51 47' 23.8" P.A. 235 SEP 13.7 MAG 4.53,6.62 SP A7V+F1V DIST. 50.1 PC (163.43 L.Y.)
 
 
Coord 2000
14135+5147
Discov num
STF1821
Comp
AB
Coord arcsec 2000
14 13 29.00 +51 47 23.8
Date first
1779
Date last
2017
Obs
201
Pa first
240
Pa last
235
P.A. Now (θ)
235°
Sep first
12.5
Sep last
13.7
Sep. Now (ρ)
13.7"
Mag pri
4.53
Mag sec
6.62
delta mag (ΔM)
2.09
Spectral class
A7V+F1V (white/yellow-white)
Pri motion ra
+060
Sec motion ra
+065
Pri motion dec
-011
Sec motion dec
-004
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
14135+5147 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Kap2 Boo 29046 14135+5147 STF1821 AB 1779 2017 201 235 13.7 4.53 6.62 2.09 Y <===
Show 29046 14135+5147 TOK 295 AC 1980 2000 2 73 108.8 4.53 16.90 12.37
Show 29046 14135+5147 TOK 295 BC 1980 2000 2 71 121.8 6.62 16.90 10.28
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Kap2 Boo
Constellation
Bootes
SAO
29046
HIP
69483
Tycho2
3471-01250-1
HD
124675
HR
5329
GC
19207
ADS
9173
BD
BD+52 1782
Bayer
Kappa 2 Bootis
Bayer name
Kap2 Boo
Flamsteed
17 Bootis
Flamsteed name
17 Boo
Distance
50.1
Distance ly
163.43
last precise pa
235.3
last precise sep
13.664
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)61.01c± 39.73 Periastron (T)5962y± 2030 Semi-major axis (a)11.3a± 3.1
Eccentricity (e)0.4± 0.4 Inclination (i)98.5°± 4.5 Longitude of periastron (ω)3.9°± 78
Node (Ω)52°± 4.6 Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2003
label rho theta
2000 13.708 235.5
2001 13.713 235.5
2002 13.718 235.5
2003 13.723 235.5
2004 13.728 235.5
2005 13.733 235.5
2006 13.739 235.5
2007 13.744 235.4
2008 13.749 235.4
2009 13.754 235.4
2010 13.759 235.4
2011 13.764 235.4
2012 13.769 235.4
2013 13.774 235.4
2014 13.779 235.4
2015 13.784 235.4
2016 13.789 235.4
2017 13.794 235.4
2018 13.799 235.4
2019 13.804 235.4
2020 13.809 235.4
2021 13.814 235.4
2022 13.819 235.4
2023 13.824 235.4
2024 13.829 235.4
2025 13.834 235.4
2026 13.839 235.3
2027 13.844 235.3
2028 13.849 235.3
2029 13.854 235.3
2030 13.859 235.3

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
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)66.75c± 52.41 Periastron (T)6870y± 1943 Semi-major axis (a)11.4a± 5.5
Eccentricity (e)0.5± 0.4 Inclination (i)99.5°± 4.7 Longitude of periastron (ω)25.1°± 67
Node (Ω)53.2°± 4.7 Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2003
label rho theta
2000 14.158 235.0
2001 14.163 235.0
2002 14.168 235.0
2003 14.173 235.0
2004 14.178 234.9
2005 14.183 234.9
2006 14.187 234.9
2007 14.192 234.9
2008 14.197 234.9
2009 14.202 234.9
2010 14.207 234.9
2011 14.212 234.9
2012 14.216 234.9
2013 14.221 234.9
2014 14.226 234.9
2015 14.231 234.9
2016 14.236 234.9
2017 14.240 234.9
2018 14.245 234.9
2019 14.250 234.9
2020 14.255 234.9
2021 14.259 234.9
2022 14.264 234.9
2023 14.269 234.9
2024 14.273 234.8
2025 14.278 234.8
2026 14.283 234.8
2027 14.288 234.8
2028 14.292 234.8
2029 14.297 234.8
2030 14.302 234.8

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