13482+2248 COU 401

 
 
13h 48m 09.21s +22 48' 06.0" P.A. 348.2 sep 0.31 mag 9.50,10.60 Sp G0+G8 dist. 167.5 pc (546.38 l.y.)
 
 
Coord 2000
13482+2248
Discov num
COU 401
Comp
Coord arcsec 2000
13 48 09.21 +22 48 06.0
Date first
1969
Date last
2008
Obs
10
Pa first
45
Pa last
181
P.A. Now (θ)
348.2°
Sep first
0.2
Sep last
0.5
Sep. Now (ρ)
0.31"
Mag pri
9.50
Mag sec
10.60
delta mag (ΔM)
1.1
Spectral class
G0+G8 (yellow/yellow)
Pri motion ra
-014
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
181.1
Precise sep
0.492
Constellation
Bootes
SAO
82998
HIP
67342
Tycho2
1999-00276-1
HD
120280
BD
BD+23 2615
Distance
167.5
Distance ly
546.38
last precise pa
181.1
last precise sep
0.492
 
 
ORBITAL ELEMENTS
 
 
Period (P)98.7y± 1 Periastron (T)2007.42y± 0.02 Semi-major axis (a)0.401a± 0.005
Eccentricity (e)0.7± 0.01 Inclination (i)76.8°± 2 Longitude of periastron (ω)70.9°± 5
Node (Ω)165.4°± 3 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.213 154.6
2001 0.209 156.7
2002 0.202 159.0
2003 0.191 161.5
2004 0.174 164.3
2005 0.148 168.0
2006 0.113 173.6
2007 0.067 186.1
2008 0.028 244.5
2009 0.060 317.4
2010 0.109 331.8
2011 0.154 337.5
2012 0.192 340.7
2013 0.224 342.9
2014 0.252 344.6
2015 0.276 346.0
2016 0.296 347.2
2017 0.314 348.2
2018 0.329 349.1
2019 0.342 350.0
2020 0.354 350.8
2021 0.364 351.5
2022 0.372 352.2
2023 0.379 352.9
2024 0.385 353.5
2025 0.390 354.2
2026 0.394 354.8
2027 0.397 355.4
2028 0.399 356.0
2029 0.400 356.6
2030 0.401 357.2

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds13482%2B2248b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13482+2248 COU 401 1990 8 132 0.2 9.50 9.50 G0 134809.21+224806.0
13482+2248 COU 401 2007 9 202 0.0 9.50 10.60 G0 G8 NOD 134809.21+224806.0
13482+2248 COU 401 2008 10 181 0.5 9.50 10.60 G0 G8 NOD 134809.21+224806.0

If you need more information about this double, apply for a data request form to the WDS.