14558+3939 A  1627

 
 
14H 55M 46.57S +39 38' 54.3" P.A. 200 SEP 0.24 MAG 8.80,8.80 SP F0 DIST. 104.82 PC (341.92 L.Y.)
 
 
Coord 2000
14558+3939
Discov num
A  1627
Comp
Coord arcsec 2000
14 55 46.57 +39 38 54.3
Date first
1907
Date last
2007
Obs
34
Pa first
183
Pa last
183
P.A. Now (θ)
200°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.24"
Mag pri
8.80
Mag sec
8.80
delta mag (ΔM)
0
Spectral class
F0 (yellow-white)
Pri motion ra
-020
Sec motion ra
Pri motion dec
+026
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Bootes
SAO
64407
HIP
73053
Tycho2
3044-00592-1
HD
132027
ADS
9441
BD
BD+40 2829
Distance
104.82
Distance ly
341.92
last precise pa
183.4
last precise sep
0.204
 
 
ORBITAL ELEMENTS
 
 
Period (P)101.25y Periastron (T)1954.52y Semi-major axis (a)0.23a
Eccentricity (e)0.05 Inclination (i)61.8° Longitude of periastron (ω)309.7°
Node (Ω)24° Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation1990
label rho theta
2000 0.141 156.1
2001 0.148 160.3
2002 0.155 164.2
2003 0.162 167.7
2004 0.169 171.0
2005 0.176 173.9
2006 0.183 176.7
2007 0.190 179.2
2008 0.197 181.6
2009 0.203 183.8
2010 0.209 185.9
2011 0.214 187.9
2012 0.219 189.8
2013 0.223 191.6
2014 0.227 193.4
2015 0.230 195.1
2016 0.233 196.7
2017 0.235 198.4
2018 0.236 200.0
2019 0.237 201.5
2020 0.237 203.1
2021 0.237 204.7
2022 0.236 206.3
2023 0.234 207.9
2024 0.231 209.5
2025 0.228 211.2
2026 0.224 213.0
2027 0.220 214.8
2028 0.215 216.6
2029 0.210 218.6
2030 0.204 220.7

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