19539+4425 MCY 3 Aa,Ab

 
 
19h 53m 54.48s +44 24' 53.3" P.A. 183.00 sep 0.4 mag 13.50,16.80 Sp M6V+M8V
 
 
Coord 2000 19539+4425 Discov num MCY   3 Comp Aa,Ab Coord arcsec 2000 19 53 54.48 +44 24 53.3
Date first 1986 Date last 2017 Obs 46
Pa first 265 Pa last 183.3 P.A. Now (θ) 73°
Sep first 0.8 Sep last 0.41 Sep. Now (ρ) 1.048"
Mag pri 13.50 Mag sec 16.80 delta mag (ΔM) 3.3 Spectral class M6V+M8V (red/red)
Pri motion ra +443 Sec motion ra
Pri motion dec -581 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
19539+4425 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 53 54 +44 24 53 MCY 3 Aa,Ab 2017 46 183 0.4 13.50 16.80 3.30 Y <===
Show 19 53 54 +44 24 53 GIC 159 AB 2019 22 69 6.0 14.26 14.96 0.70 Y
Show 19 53 55 +44 24 55 CRC 36 BC 2012 2 112 14.9 7.80
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus
 
 
ORBITAL ELEMENTS
 
 
Period (P)16.8943y± 0.009 Periastron (T)57696d (2016.842y)± 1.1 Semi-major axis (a)830.23m± 0.24
Eccentricity (e)0.34114± 0.00062 Inclination (i)135.47°± 0.12 Longitude of periastron (ω)216.71°± 0.22
Node (Ω)80.37°± 0.15 Notesn ReferenceMnA2019
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 230.3 0.491
2001 180.6 0.426
2002 135.3 0.539
2003 110.0 0.722
2004 94.7 0.879
2005 83.4 0.987
2006 73.9 1.045
2007 65.1 1.057
2008 56.1 1.031
2009 46.3 0.972
2010 35.0 0.889
2011 21.0 0.794
2012 3.3 0.702
2013 341.0 0.635
2014 315.2 0.608
2015 288.5 0.607
2016 260.9 0.577
2017 225.8 0.479
2018 174.9 0.430
2019 131.9 0.558
2020 108.1 0.741
2021 93.3 0.893
2022 82.3 0.995
2023 73.0 1.048
2024 64.2 1.056
2025 55.1 1.026
2026 45.2 0.964
2027 33.6 0.879
2028 19.4 0.783
2029 1.2 0.693
2030 338.4 0.630


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



 
 


wds19539%2B4425d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic