14411+1344 STF1865AB (Zet Boo)

 
 
14H 41M 08.92S +13 43' 42.0" P.A. 289.1 SEP 0.4 MAG 4.46,4.55 SP A0V+A0V DIST. 53.88 PC (175.76 L.Y.)
 
 
Coord 2000
14411+1344
Discov num
STF1865
Comp
AB
Coord arcsec 2000
14 41 08.92 +13 43 42.0
Date first
1796
Date last
2015
Obs
747
Pa first
312
Pa last
287
P.A. Now (θ)
289.1°
Sep first
1
Sep last
0.5
Sep. Now (ρ)
0.4"
Mag pri
4.46
Mag sec
4.55
delta mag (ΔM)
0.09
Spectral class
A0V+A0V (white/white)
Pri motion ra
+066
Sec motion ra
+066
Pri motion dec
-021
Sec motion dec
-021
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
14411+1344 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Zet Boo 101145 14411+1344 STF1865 AB 1796 2015 747 289 0.4 4.46 4.55 0.09 Y <===
Show 101145 14411+1344 H 6 104 AB,C 1901 2001 13 259 103.8 4.52 10.98 6.46
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
Zet Boo
Constellation
Bootes
SAO
101145
HIP
71795
Tycho2
0917-01471-1
HD
129246
HR
5477
GC
19777
ADS
9343
BD
BD+14 2770
Bayer
Zeta Bootis
Bayer name
Zet Boo
Flamsteed
30 Bootis
Flamsteed name
30 Boo
Distance
53.88
Distance ly
175.76
last precise pa
287.3
last precise sep
0.46
 
 
ORBITAL ELEMENTS
 
 
Period (P)125.24y Periastron (T)1898.58y Semi-major axis (a)0.825a
Eccentricity (e)0.98 Inclination (i)126° Longitude of periastron (ω)61.8°
Node (Ω)176.5° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2006
label rho theta
2000 0.792 300.0
2001 0.773 299.7
2002 0.755 299.3
2003 0.735 298.9
2004 0.715 298.4
2005 0.694 298.0
2006 0.672 297.5
2007 0.649 297.0
2008 0.626 296.4
2009 0.602 295.8
2010 0.576 295.1
2011 0.550 294.4
2012 0.523 293.6
2013 0.494 292.7
2014 0.464 291.7
2015 0.433 290.6
2016 0.400 289.3
2017 0.397 289.1
2018 0.074 243.5
2019 0.529 293.8
2020 0.248 280.3
2021 0.244 280.0
2022 0.148 267.8
2023 0.087 250.3
2024 0.047 2.2
2025 0.171 338.4
2026 0.249 333.1
2027 1.106 312.3
2028 0.140 266.3
2029 0.417 326.5
2030 0.195 275.0

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