21194+3814 CIA   5Aa,Ab

 
 
21h 19m 22.18s +38 14' 14.9" P.A. 177.5 sep 0.01 mag 4.70,8.47 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
2012
Obs
5
Pa first
189
Pa last
181
P.A. Now (θ)
177.5°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0.01"
Mag pri
4.70
Mag sec
8.47
delta mag (ΔM)
3.77
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 K (See Notes, Orbital solution, K-band or other infrared magnitudes)
This double is physical.
 
 
21194+3814 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 71203 21194+3814 CIA 5 Aa,Ab 2009 2012 5 178 0.0 4.70 8.47 3.77 Y <===
Show 71203 21194+3814 HO 286 AB 1886 2005 31 237 0.2 6.60 6.60 0.00
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.7
Precise sep
0.008
Var name
V1334 Cyg
Cdsa2 id
CIA 5 Aa,Ab
Constellation
Cygnus
SAO
71203
HIP
105269
HD
203156
HR
8157
ADS
14859
DM
BD+37 4271
Ra deg
21.32282777777778
De deg
38.23747222222222
Distance
662.25
Distance ly
2160.26
last precise pa
180.7
last precise sep
0.008
 
 
ORBITAL ELEMENTS
 
 
Period (P)1938.6d (5.31y)± 1.2 Periastron (T)43616.1d (1978.293y)± 7.3 Semi-major axis (a)8.54m± 0.51
Eccentricity (e)0.19± 0.013 Inclination (i)124.7°± 1.8 Longitude of periastron (ω)228.7°± 1.6
Node (Ω)206.3°± 9.4 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2012
label rho theta
2000-01-01 0.004 286.9
2001-01-01 0.009 212.6
2002-01-01 0.009 180.5
2003-01-01 0.005 118.4
2004-01-01 0.007 43.2
2005-01-01 0.005 334.7
2006-01-01 0.008 224.6
2007-01-01 0.009 191.1
2008-01-01 0.006 144.2
2009-01-01 0.007 60.9
2010-01-01 0.006 4.9
2011-01-01 0.006 242.6
2012-01-01 0.010 200.5
2013-01-01 0.007 163.5
2014-01-01 0.006 83.5
2015-01-01 0.007 23.6
2016-01-01 0.004 275.4
2017-01-01 0.009 210.1
2018-01-01 0.008 177.5
2019-01-01 0.005 111.3
2020-01-01 0.007 39.3
2021-01-01 0.004 324.0
2022-01-01 0.008 221.3
2023-01-01 0.009 188.6
2024-01-01 0.006 138.3
2025-01-01 0.007 56.1
2026-01-01 0.006 358.9
2027-01-01 0.007 237.2
2028-01-01 0.010 198.2
2029-01-01 0.007 159.2
2030-01-01 0.006 77.3

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

grafico orbita





wds21194%2B3814a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21194+3814 CIA 5 Aa,Ab 2012 2 181 0.0 4.70 8.47 F3II NO K 211922.18+381414.9

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