10522+4423 DUP   2

 
 
10H 52M 13.50S +44 22' 55.9" P.A. 145.8 SEP 0.07 MAG 14.99,15.50 SP L6.5+T1.5
 
 
Coord 2000
10522+4423
Discov num
DUP   2
Comp
Coord arcsec 2000
10 52 13.50 +44 22 55.9
Date first
2005
Date last
2014
Obs
15
Pa first
81
Pa last
97
P.A. Now (θ)
145.8°
Sep first
0.0
Sep last
0.1
Sep. Now (ρ)
0.07"
Mag pri
14.99
Mag sec
15.50
delta mag (ΔM)
0.51
Spectral class
L6.5+T1.5 (very deep red/brown dwarf)
Pri motion ra
+019
Sec motion ra
Pri motion dec
-140
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ursa Major
last precise pa
97.2
last precise sep
0.055
 
 
ORBITAL ELEMENTS
 
 
Period (P)8.614y Periastron (T)55842m (2011.767y)± 13 Semi-major axis (a)70.59m
Eccentricity (e)0.1387 Inclination (i)62° Longitude of periastron (ω)186.5°
Node (Ω)126.7° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.061 151.2
2001 0.035 197.7
2002 0.045 272.9
2003 0.061 305.7
2004 0.045 338.2
2005 0.034 56.5
2006 0.062 103.9
2007 0.079 122.8
2008 0.075 138.4
2009 0.051 163.2
2010 0.033 231.0
2011 0.054 288.3
2012 0.058 316.1
2013 0.036 1.7
2014 0.044 81.9
2015 0.071 112.4
2016 0.080 128.6
2017 0.067 145.8
2018 0.040 181.9
2019 0.039 260.4
2020 0.060 299.7
2021 0.051 328.6
2022 0.032 36.1
2023 0.055 97.5
2024 0.077 119.2
2025 0.078 134.6
2026 0.057 155.6
2027 0.033 210.8
2028 0.049 279.9
2029 0.060 309.9
2030 0.041 346.5

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