14459+2344 COU 100

 
 
14h 45m 53.04s +23° 43' 38.2" P.A. 183.00 sep 0.1 mag 9.20,9.90 Sp G0+G5
 
 
Coord 2000 14459+2344 Discov num COU 100 Comp Coord arcsec 2000 14 45 53.04 +23 43 38.2
Date first 1966 Date last 2008 Obs 34
Pa first 355 Pa last 182.8 P.A. Now (θ) 182.8°
Sep first 0.3 Sep last 0.12 Sep. Now (ρ) 0.12"
Mag pri 9.20 Mag sec 9.90 delta mag (ΔM) 0.7 Spectral class G0+G5 (yellow/yellow)
Pri motion ra -082 Sec motion ra
Pri motion dec +057 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Bootes Tycho2 2016-00723-1 Gaia DR2 1265926187269330816
 
 
ORBITAL ELEMENTS
 
 
Period (P)78.21y± 0.11 Periastron (T)2009.42y± 0.05 Semi-major axis (a)0.42a± 0.003
Eccentricity (e)0.815± 0.005 Inclination (i)102.7°± 2.5 Longitude of periastron (ω)255°± 8
Node (Ω)25.5°± 5 Notesn ReferenceDoc2010h
Equinox2000 Last observation2007 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 236.1 0.170
2001 232.6 0.174
2002 229.2 0.177
2003 226.0 0.178
2004 222.7 0.178
2005 219.4 0.175
2006 215.9 0.167
2007 211.9 0.152
2008 206.4 0.122
2009 193.6 0.061
2010 49.2 0.043
2011 30.3 0.122
2012 25.6 0.177
2013 23.0 0.217
2014 21.0 0.248
2015 19.5 0.272
2016 18.2 0.291
2017 17.1 0.307
2018 16.0 0.320
2019 15.0 0.331
2020 14.1 0.339
2021 13.2 0.346
2022 12.4 0.352
2023 11.6 0.356
2024 10.7 0.359
2025 9.9 0.361
2026 9.2 0.362
2027 8.4 0.362
2028 7.6 0.362
2029 6.8 0.361
2030 6.0 0.359


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



 
 


wds14459%2B2344c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic