18040+0150 TOK 695 (HD 165045)

 
 
18h 04m 01.88s +01° 49' 56.6" P.A. 23.00 sep 0.1 mag 8.40,10.00 Sp G5 dist. 34.46 pc (112.41 l.y.)
 
 
Coord 2000 18040+0150 Discov num TOK 695 Comp Coord arcsec 2000 18 04 01.88 +01 49 56.6
Date first 2015 Date last 2023 Obs 17
Pa first 30 Pa last 23.1 P.A. Now (θ) 23.1°
Sep first 0.1 Sep last 0.058 Sep. Now (ρ) 0.061"
Mag pri 8.40 Mag sec 10.00 delta mag (ΔM) 1.6 Spectral class G5 (yellow)
Pri motion ra +098 Sec motion ra
Pri motion dec -034 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165045 Constellation Ophiuchus SAO 123074 HIP 88481
Tycho2 0430-00490-1 Gaia DR2 4468231641147900928 HD 165045 GC 24598
BD BD+01 3574 Distance 34.46 Distance ly 112.41
 
 
ORBITAL ELEMENTS
 
 
Period (P)1.615y± 0.001 Periastron (T)1996.698y± 0.005 Semi-major axis (a)0.0472a± 0.0016
Eccentricity (e)0.501± 0.011 Inclination (i)37.7°± 3.8 Longitude of periastron (ω)287.4°± 2.5
Node (Ω)271°± 2.5 Notes ReferenceTok2017b
Equinox2000 Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 253.5 0.026
2001 49.0 0.058
2002 341.3 0.049
2003 104.8 0.035
2004 26.1 0.058
2005 302.0 0.040
2006 65.8 0.054
2007 1.2 0.054
2008 199.8 0.019
2009 41.5 0.059
2010 330.2 0.047
2011 88.0 0.043
2012 18.4 0.057
2013 283.4 0.034
2014 57.3 0.056
2015 352.0 0.052
2016 137.4 0.024
2017 34.1 0.059
2018 317.7 0.044
2019 76.0 0.049
2020 10.3 0.055
2021 256.0 0.027
2022 49.5 0.058
2023 342.0 0.049
2024 106.2 0.034
2025 26.6 0.058
2026 303.1 0.040
2027 66.4 0.053
2028 1.8 0.054
2029 204.5 0.019
2030 42.0 0.059
2031 331.0 0.047
2032 88.9 0.043
2033 18.9 0.057
2034 284.8 0.035
2035 57.9 0.056
2036 352.6 0.052
2037 140.4 0.023
2038 34.6 0.059
2039 318.6 0.044
2040 76.7 0.049
2041 10.9 0.056
2042 258.3 0.027
2043 50.0 0.058
2044 342.7 0.050
2045 107.7 0.034
2046 27.1 0.058
2047 304.2 0.040
2048 67.0 0.053
2049 2.4 0.054
2050 209.0 0.019


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds18040%2B0150e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic