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
Constellation
Cygnus
SAO
71203
HIP
105269
HD
203156
HR
8157
ADS
14859
DM
BD+37 4271
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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