19356+4002 A 1400 (HD 185036)

 
 
19h 35m 36.44s +40° 01' 39.0" P.A. 122.00 sep 0.4 mag 8.20,9.90 Sp A3 dist. 179.53 pc (585.63 l.y.)
 
 
Coord 2000 19356+4002 Discov num A  1400 Comp Coord arcsec 2000 19 35 36.44 +40 01 39.0
Date first 1906 Date last 2014 Obs 17
Pa first 290 Pa last 122.4 P.A. Now (θ) 122.4°
Sep first 0.3 Sep last 0.385 Sep. Now (ρ) 0.385"
Mag pri 8.20 Mag sec 9.90 delta mag (ΔM) 1.7 Spectral class A3 (white)
Pri motion ra -007 Sec motion ra
Pri motion dec -025 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 185036 Constellation Cygnus SAO 68549 HIP 96371
Tycho2 3139-01141-1 Gaia DR2 2052508903053556224 HD 185036 ADS 12662
BD BD+39 3831 Distance 179.53 Distance ly 585.63
 
 
ORBITAL ELEMENTS
 
 
Period (P)159y Periastron (T)2010.7y Semi-major axis (a)0.303a
Eccentricity (e)0.19 Inclination (i)38.1° Longitude of periastron (ω)3.3°
Node (Ω)135.1° Notes ReferenceUSN2002
Equinox2000 Last observation1991 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 108.7 0.239
2001 111.5 0.240
2002 114.3 0.241
2003 117.0 0.242
2004 119.8 0.243
2005 122.5 0.244
2006 125.2 0.245
2007 127.8 0.245
2008 130.5 0.245
2009 133.2 0.246
2010 135.8 0.245
2011 138.5 0.245
2012 141.2 0.245
2013 143.9 0.244
2014 146.6 0.243
2015 149.3 0.242
2016 152.0 0.241
2017 154.8 0.240
2018 157.6 0.238
2019 160.5 0.237
2020 163.3 0.235
2021 166.3 0.234
2022 169.2 0.232
2023 172.2 0.231
2024 175.3 0.229
2025 178.3 0.228
2026 181.4 0.226
2027 184.6 0.225
2028 187.8 0.224
2029 191.0 0.223
2030 194.3 0.222


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



 
 


wds19356%2B4002a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic