20223+4546 POP 144 (NSV13050)

 
 
20h 22m 14.70s +45 46' 41.0" P.A. 121.00 sep 6.0 mag 13.00,13.50 dist. 124.22 pc (405.21 l.y.)
 
 
Coord 2000 20223+4546 Discov num POP 144 Comp Coord arcsec 2000 20 22 14.70 +45 46 41.0
Date first 1979 Date last 2015 Obs 10
Pa first 120 Pa last 120.5 P.A. Now (θ) 120.5°
Sep first 5.5 Sep last 5.985 Sep. Now (ρ) 5.985"
Mag pri 13.00 Mag sec 13.50 delta mag (ΔM) 0.5 Spectral class
Pri motion ra -013 Sec motion ra +021
Pri motion dec +002 Sec motion dec -001
Notes
rPM=1.623
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV13050 Spectr K0IIIvar Constellation Cygnus SAO 49531
HIP 100437 Tycho2 3572-02102-1 Gaia DR2 2082998905947311232 HD 194152
HR 7798 BD BD+45 3152 Distance 124.22 Distance ly 405.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)1124.06d (3.08y) Periastron (T)49281d (1993.803y) Semi-major axis (a)4.3m± 0.6
Eccentricity (e)0.759 Inclination (i)23.9°± 9 Longitude of periastron (ω)108.1°
Node (Ω)243.5°± 3.8 Notesn ReferenceRen2013
Equinox2000 Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 42.5 0.001
2001-01-01 159.2 0.006
2002-01-01 187.0 0.007
2003-01-01 306.5 0.001
2004-01-01 156.7 0.006
2005-01-01 184.7 0.007
2006-01-01 257.1 0.002
2007-01-01 154.1 0.006
2008-01-01 182.5 0.007
2009-01-01 237.5 0.003
2010-01-01 151.2 0.006
2011-01-01 180.4 0.007
2012-01-01 226.3 0.003
2013-01-01 148.1 0.006
2014-01-01 178.3 0.007
2015-01-01 218.5 0.004
2016-01-01 144.7 0.005
2017-01-01 176.2 0.007
2018-01-01 212.6 0.004
2019-01-01 140.8 0.005
2020-01-01 174.2 0.007
2021-01-01 207.8 0.005
2022-01-01 136.3 0.005
2023-01-01 172.1 0.007
2024-01-01 203.8 0.005
2025-01-01 131.0 0.004
2026-01-01 170.0 0.007
2027-01-01 200.3 0.005
2028-01-01 124.3 0.004
2029-01-01 168.0 0.007
2030-01-01 197.1 0.006


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



 
 


wds20221%2B4548f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic