21194+3814 CIA 5 Aa,Ab

21h 19m 22.18s +38° 14' 14.9" P.A. 230.00 sep 0.0 mag 6.00,8.20 Sp F1II+B7V dist. 662.25 pc (2160.26 l.y.)

Coord 2000 21194+3814 Discov num CIA   5 Comp Aa,Ab Coord arcsec 2000 21 19 22.18 +38 14 14.9
Date first 2009 Date last 2016 Obs 14
Pa first 189 Pa last 230.3 P.A. Now (θ) 230.3°
Sep first 0.0 Sep last 0.008 Sep. Now (ρ) 0.008"
Mag pri 6.00 Mag sec 8.20 delta mag (ΔM) 2.2 Spectral class F1II+B7V (yellow-white/blue-white)
Pri motion ra +003 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes N O (See Notes, Orbital solution)




This double is physical.



21194+3814 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 71203 21 19 22 +38 14 15 CIA 5 Aa,Ab 2016 14 230 0.0 6.00 8.20 2.20 Y <===
Show 71203 21 19 22 +38 14 15 HO 286 AB 2005 31 237 0.2 6.60 6.60 0.00
Show V1334 Cyg 71203 21 19 22 +38 14 15 KRV 42 AC 2015 2 256 65.7 5.80 19.70 13.90


Quadruple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Var name V1334 Cyg Constellation Cygnus SAO 71203 HIP 105269
Tycho2 3169-03875-1 Gaia DR2 1964855904803120640 HD 203156 HR 8157
ADS 14859 BD BD+37 4271 Distance 662.25 Distance ly 2160.26




ORBITAL ELEMENTS

Period (P)1932.8d (5.29y)± 1.8 Periastron (T)53316.75d (2004.852y)± 4.1 Semi-major axis (a)8.54m± 0.04
Eccentricity (e)0.233± 0.001 Inclination (i)124.94°± 0.09 Longitude of periastron (ω)229.8°± 0.3
Node (Ω)213.17°± 0.35 Notesn ReferenceGaA2018
Equinox2000 Last observation2016 Grade5(1=Definitive, 9=Indet.)

label theta rho
2000-01-01 290.8 0.004
2001-01-01 217.5 0.009
2002-01-01 186.9 0.009
2003-01-01 130.7 0.006
2004-01-01 54.3 0.007
2005-01-01 340.6 0.004
2006-01-01 228.3 0.008
2007-01-01 196.4 0.010
2008-01-01 152.8 0.006
2009-01-01 72.2 0.006
2010-01-01 12.3 0.006
2011-01-01 243.9 0.006
2012-01-01 205.0 0.010
2013-01-01 169.6 0.007
2014-01-01 94.4 0.006
2015-01-01 31.5 0.007
2016-01-01 272.0 0.005
2017-01-01 213.6 0.009
2018-01-01 182.3 0.008
2019-01-01 119.9 0.006
2020-01-01 47.4 0.007
2021-01-01 320.4 0.004
2022-01-01 223.4 0.009
2023-01-01 192.5 0.009
2024-01-01 144.0 0.006
2025-01-01 64.1 0.007
2026-01-01 1.0 0.005
2027-01-01 236.4 0.007
2028-01-01 201.3 0.010
2029-01-01 163.0 0.007
2030-01-01 84.4 0.006


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



 
 


wds21194%2B3814b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic