19336+3846 CHR 87 (HD 184603)

 
 
19h 33m 36.43s +38° 45' 42.9" P.A. 343.00 sep 0.1 mag 7.19,7.68 Sp A3V dist. 128.7 pc (419.82 l.y.)
 
 
Coord 2000 19336+3846 Discov num CHR  87 Comp Coord arcsec 2000 19 33 36.43 +38 45 42.9
Date first 1985 Date last 2011 Obs 16
Pa first 355 Pa last 342.8 P.A. Now (θ) 292°
Sep first 0.1 Sep last 0.14 Sep. Now (ρ) 0.067"
Mag pri 7.19 Mag sec 7.68 delta mag (ΔM) 0.49 Spectral class A3V (white)
Pri motion ra +008 Sec motion ra
Pri motion dec +023 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 184603 Constellation Cygnus SAO 68499 HIP 96195
Tycho2 3135-00564-1 Gaia DR2 2052294257765877632 HD 184603 HR 7436
GC 27034 BD BD+38 3650 Distance 128.7 Distance ly 419.82
 
 
ORBITAL ELEMENTS
 
 
Period (P)47.16y Periastron (T)2020.44y Semi-major axis (a)0.14a
Eccentricity (e)0.198 Inclination (i)59.5° Longitude of periastron (ω)80.8°
Node (Ω)166.1° Notes ReferenceCve2012
Equinox2000 Last observation2010 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 90.2 0.086
2001 99.9 0.089
2002 108.9 0.094
2003 116.9 0.099
2004 124.0 0.105
2005 130.4 0.111
2006 136.1 0.117
2007 141.3 0.123
2008 146.0 0.127
2009 150.5 0.131
2010 154.7 0.133
2011 158.9 0.134
2012 163.1 0.132
2013 167.4 0.129
2014 172.1 0.124
2015 177.2 0.116
2016 183.2 0.107
2017 190.5 0.095
2018 199.9 0.083
2019 212.4 0.071
2020 229.4 0.062
2021 250.8 0.057
2022 273.2 0.059
2023 292.0 0.067
2024 306.0 0.079
2025 316.4 0.091
2026 324.2 0.104
2027 330.4 0.115
2028 335.7 0.124
2029 340.2 0.131
2030 344.3 0.137


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



 
 


wds19336%2B3846a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic