11136+5525 A  1353

 
 
11H 13M 34.66S +55 24' 57.0" P.A. 208.1 SEP 0.56 MAG 7.73,9.16 SP F5V DIST. 91.83 PC (299.55 L.Y.)
 
 
Coord 2000
11136+5525
Discov num
A  1353
Comp
Coord arcsec 2000
11 13 34.66 +55 24 57.0
Date first
1906
Date last
2013
Obs
65
Pa first
200
Pa last
210
P.A. Now (θ)
208.1°
Sep first
0.5
Sep last
0.6
Sep. Now (ρ)
0.56"
Mag pri
7.73
Mag sec
9.16
delta mag (ΔM)
1.43
Spectral class
F5V (yellow-white)
Pri motion ra
-037
Sec motion ra
-037
Pri motion dec
+007
Sec motion dec
+007
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
SAO
27957
HIP
54835
Tycho2
3827-00526-1
HD
97455
ADS
8092
BD
BD+56 1508
Distance
91.83
Distance ly
299.55
last precise pa
209.8
last precise sep
0.569
 
 
ORBITAL ELEMENTS
 
 
Period (P)127.25y Periastron (T)1962y Semi-major axis (a)0.39a
Eccentricity (e)0.644 Inclination (i)117.6° Longitude of periastron (ω)39.2°
Node (Ω)44.4° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 0.546 216.4
2001 0.549 215.9
2002 0.552 215.4
2003 0.555 214.9
2004 0.557 214.4
2005 0.559 213.9
2006 0.561 213.4
2007 0.562 212.9
2008 0.563 212.5
2009 0.564 212.0
2010 0.564 211.5
2011 0.564 211.0
2012 0.564 210.5
2013 0.563 210.1
2014 0.562 209.6
2015 0.561 209.1
2016 0.559 208.6
2017 0.558 208.1
2018 0.556 207.6
2019 0.553 207.1
2020 0.551 206.6
2021 0.548 206.1
2022 0.545 205.6
2023 0.541 205.1
2024 0.538 204.6
2025 0.534 204.0
2026 0.530 203.5
2027 0.525 202.9
2028 0.521 202.4
2029 0.516 201.8
2030 0.511 201.2

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