11323+6105 STT 235AB

 
 
11H 32M 20.76S +61 04' 57.9" P.A. 39.7 SEP 0.92 MAG 5.69,7.55 SP F8V DIST. 27.99 PC (91.3 L.Y.)
 
 
Coord 2000
11323+6105
Discov num
STT 235
Comp
AB
Coord arcsec 2000
11 32 20.76 +61 04 57.9
Date first
1843
Date last
2013
Obs
334
Pa first
283
Pa last
32
P.A. Now (θ)
39.7°
Sep first
0.5
Sep last
0.8
Sep. Now (ρ)
0.92"
Mag pri
5.69
Mag sec
7.55
delta mag (ΔM)
1.86
Spectral class
F8V (yellow-white)
Pri motion ra
-018
Sec motion ra
Pri motion dec
-073
Sec motion dec
Notes
N O V (See Notes, Orbital solution, Proper motion indicates physical)
This double is physical.
 
 
11323+6105 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15542 11323+6105 STT 235 AB 1843 2013 334 40 0.9 5.69 7.55 1.86 Y <===
Show 15542 11323+6105 ABT 8 AB,C 1907 2003 5 97 194.7 5.55 11.30 5.75
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
15542
HIP
56290
Tycho2
4153-00048-1
HD
100203
HR
4439
ADS
8197
GL
Gl 431.1A
BD
BD+61 1246
Distance
27.99
Distance ly
91.3
last precise pa
32.1
last precise sep
0.823
 
 
ORBITAL ELEMENTS
 
 
Period (P)72.7y Periastron (T)1981.8y Semi-major axis (a)0.79a
Eccentricity (e)0.4 Inclination (i)46° Longitude of periastron (ω)132°
Node (Ω)80° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 0.633 341.3
2001 0.645 346.1
2002 0.658 350.7
2003 0.673 355.2
2004 0.689 359.4
2005 0.705 3.5
2006 0.723 7.3
2007 0.741 11.0
2008 0.760 14.5
2009 0.778 17.8
2010 0.797 21.0
2011 0.816 24.0
2012 0.834 26.9
2013 0.852 29.7
2014 0.870 32.3
2015 0.887 34.9
2016 0.903 37.3
2017 0.918 39.7
2018 0.933 42.0
2019 0.946 44.2
2020 0.958 46.4
2021 0.969 48.5
2022 0.978 50.6
2023 0.986 52.6
2024 0.992 54.7
2025 0.997 56.6
2026 1.000 58.6
2027 1.001 60.6
2028 1.000 62.6
2029 0.997 64.5
2030 0.992 66.5

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