09183+1847 COU 384 (HD 80082)

09h 18m 16.92s +18° 46' 51.7" P.A. 56.00 sep 0.2 mag 8.20,8.30 Sp F0 dist. 135.87 pc (443.21 l.y.)

Coord 2000 09183+1847 Discov num COU 384 Comp Coord arcsec 2000 09 18 16.92 +18 46 51.7
Date first 1969 Date last 2012 Obs 19
Pa first 66 Pa last 55.9 P.A. Now (θ) 233.8°
Sep first 0.2 Sep last 0.185 Sep. Now (ρ) 0.138"
Mag pri 8.20 Mag sec 8.30 delta mag (ΔM) 0.1 Spectral class F0 (yellow-white)
Pri motion ra -010 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes O (Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 80082 Constellation Cancer SAO 98481 HIP 45648
Tycho2 1405-00099-1 Gaia DR2 635614035496860288 HD 80082 BD BD+19 2194
Distance 135.87 Distance ly 443.21




ORBITAL ELEMENTS

Period (P)40.43y± 0.38 Periastron (T)1999.33y± 0.14 Semi-major axis (a)0.1475a± 0.0003
Eccentricity (e)0.379± 0.004 Inclination (i)96.83°± 0.15 Longitude of periastron (ω)31.3°± 1.9
Node (Ω)60.96°± 0.11 Notes ReferenceBAE2021
Equinox Last observation Grade3(1=Definitive, 9=Indet.)

label theta rho
2000 54.1 0.065
2001 46.1 0.041
2002 12.4 0.016
2003 275.6 0.023
2004 256.4 0.049
2005 250.7 0.075
2006 247.8 0.098
2007 246.0 0.119
2008 244.7 0.137
2009 243.7 0.152
2010 242.8 0.165
2011 242.1 0.175
2012 241.4 0.183
2013 240.8 0.188
2014 240.2 0.191
2015 239.6 0.192
2016 239.0 0.192
2017 238.5 0.189
2018 237.8 0.184
2019 237.2 0.178
2020 236.5 0.171
2021 235.7 0.161
2022 234.8 0.150
2023 233.8 0.138
2024 232.6 0.125
2025 231.0 0.110
2026 229.0 0.094
2027 226.1 0.078
2028 221.5 0.060
2029 213.2 0.043
2030 194.2 0.027


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



 
 


wds09183%2B1847a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic