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 |
Notes | n | |
Reference | GaA2018 | |
Equinox | 2000 | |
Last observation | 2016 | |
Grade | 5 | (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 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|