19036-7224 HDS 2703 (HD 175739)

19h 03m 33.56s -72° 23' 29.8" P.A. 9.00 sep 0.1 mag 8.67,10.99 Sp F6V dist. 110.25 pc (359.64 l.y.)

Coord 2000 19036-7224 Discov num HDS2703 Comp Coord arcsec 2000 19 03 33.56 -72 23 29.8
Date first 1991 Date last 2020 Obs 6
Pa first 200 Pa last 9.4 P.A. Now (θ) 9.4°
Sep first 0.4 Sep last 0.15 Sep. Now (ρ) 0.15"
Mag pri 8.67 Mag sec 10.99 delta mag (ΔM) 2.32 Spectral class F6V (yellow-white)
Pri motion ra +000 Sec motion ra
Pri motion dec -131 Sec motion dec
Notes O (Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 175739 Constellation Pavo HIP 93584 Tycho2 9300-00548-1
Gaia DR2 6416875929879613568 HD 175739 CP CP-72 2327 Distance 110.25
Distance ly 359.64




ORBITAL ELEMENTS

Period (P)100y Periastron (T)2017.37y Semi-major axis (a)0.319a
Eccentricity (e)0.58 Inclination (i)115.5° Longitude of periastron (ω)120.6°
Node (Ω)186.8° Notes ReferenceTok2020g
Equinox2000 Last observation2019 Grade5(1=Definitive, 9=Indet.)

label theta rho
2000 190.8 0.333
2001 189.6 0.324
2002 188.4 0.314
2003 187.0 0.302
2004 185.6 0.290
2005 184.0 0.276
2006 182.2 0.260
2007 180.1 0.243
2008 177.8 0.225
2009 175.0 0.204
2010 171.5 0.182
2011 167.1 0.158
2012 161.0 0.133
2013 151.9 0.107
2014 137.2 0.082
2015 112.2 0.064
2016 78.2 0.062
2017 50.2 0.077
2018 33.1 0.099
2019 22.4 0.121
2020 15.0 0.141
2021 9.2 0.157
2022 4.4 0.169
2023 0.1 0.178
2024 356.2 0.184
2025 352.5 0.188
2026 348.9 0.190
2027 345.4 0.191
2028 341.8 0.190
2029 338.3 0.189
2030 334.6 0.187


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



 
 


wds19036-7224a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic