15078+3956 COU 1271 (HD 134303)

 
 
15h 07m 47.23s +39° 55' 58.3" P.A. 193.00 sep 0.4 mag 9.00,10.00 Sp G0
 
 
Coord 2000 15078+3956 Discov num COU1271 Comp Coord arcsec 2000 15 07 47.23 +39 55 58.3
Date first 1975 Date last 2016 Obs 20
Pa first 147 Pa last 193 P.A. Now (θ) 193°
Sep first 0.4 Sep last 0.404 Sep. Now (ρ) 0.404"
Mag pri 9.00 Mag sec 10.00 delta mag (ΔM) 1 Spectral class G0 (yellow)
Pri motion ra -071 Sec motion ra
Pri motion dec +003 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 134303 Constellation Bootes SAO 45390 Tycho2 3045-00892-1
Gaia DR2 1391918842443616128 HD 134303
 
 
ORBITAL ELEMENTS
 
 
Period (P)137.83y Periastron (T)0y Semi-major axis (a)0.38a
Eccentricity (e)0 Inclination (i) Longitude of periastron (ω)
Node (Ω) Notes ReferenceCou1999b
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 183.8 0.380
2001 186.4 0.380
2002 189.1 0.380
2003 191.7 0.380
2004 194.3 0.380
2005 196.9 0.380
2006 199.5 0.380
2007 202.1 0.380
2008 204.7 0.380
2009 207.3 0.380
2010 209.9 0.380
2011 212.6 0.380
2012 215.2 0.380
2013 217.8 0.380
2014 220.4 0.380
2015 223.0 0.380
2016 225.6 0.380
2017 228.2 0.380
2018 230.8 0.380
2019 233.5 0.380
2020 236.1 0.380
2021 238.7 0.380
2022 241.3 0.380
2023 243.9 0.380
2024 246.5 0.380
2025 249.1 0.380
2026 251.7 0.380
2027 254.3 0.380
2028 257.0 0.380
2029 259.6 0.380
2030 262.2 0.380


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



 
 


wds15078%2B3956a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic