20251+5936 A 730 (HD 194882)

 
 
20h 25m 05.00s +59° 36' 00.4" P.A. 282.00 sep 0.2 mag 6.94,7.63 Sp A2IV dist. 251.26 pc (819.61 l.y.)
 
 
Coord 2000 20251+5936 Discov num A   730 Comp Coord arcsec 2000 20 25 05.00 +59 36 00.4
Date first 1904 Date last 2009 Obs 65
Pa first 314 Pa last 282.4 P.A. Now (θ) 228.3°
Sep first 0.2 Sep last 0.179 Sep. Now (ρ) 0.112"
Mag pri 6.94 Mag sec 7.63 delta mag (ΔM) 0.69 Spectral class A2IV (white)
Pri motion ra -002 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194882 Constellation Cygnus SAO 32562 HIP 100714
Tycho2 3949-02016-1 Gaia DR2 2188642598775572096 HD 194882 HR 7818
GC 28434 ADS 13850 BD BD+59 2228 Distance 251.26
Distance ly 819.61
 
 
ORBITAL ELEMENTS
 
 
Period (P)175.089y Periastron (T)2038.638y Semi-major axis (a)0.231a
Eccentricity (e)0.005 Inclination (i)118.5° Longitude of periastron (ω)309.2°
Node (Ω)152.2° Notesn ReferencePru2010
Equinox2000 Last observation2008 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 303.3 0.172
2001 301.5 0.168
2002 299.6 0.164
2003 297.6 0.159
2004 295.4 0.155
2005 293.2 0.151
2006 290.8 0.146
2007 288.3 0.142
2008 285.6 0.138
2009 282.8 0.134
2010 279.8 0.130
2011 276.6 0.127
2012 273.3 0.123
2013 269.7 0.120
2014 266.0 0.118
2015 262.2 0.115
2016 258.1 0.113
2017 254.0 0.112
2018 249.8 0.111
2019 245.4 0.110
2020 241.1 0.110
2021 236.8 0.110
2022 232.5 0.111
2023 228.3 0.112
2024 224.2 0.114
2025 220.2 0.116
2026 216.4 0.119
2027 212.8 0.122
2028 209.4 0.125
2029 206.1 0.128
2030 203.0 0.132


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


 
  


wds20251%2B5936b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic