08547+1637 AG 338 AB (IK Cnc)

 
 
08h 54m 41.52s +16° 36' 39.7" P.A. 163.00 sep 2.1 mag 9.01,9.22 Sp G5 dist. 40.14 pc (130.94 l.y.)
 
 
Coord 2000 08547+1637 Discov num AG  338 Comp AB Coord arcsec 2000 08 54 41.52 +16 36 39.7
Date first 1912 Date last 2021 Obs 58
Pa first 237 Pa last 163.4 P.A. Now (θ) 163.4°
Sep first 1.3 Sep last 2.116 Sep. Now (ρ) 2.116"
Mag pri 9.01 Mag sec 9.22 delta mag (ΔM) 0.21 Spectral class G5 (yellow)
Pri motion ra -134 Sec motion ra -134
Pri motion dec -027 Sec motion dec -027
Notes O (Orbital solution)
This double is physical.
 
 
08547+1637 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 08 54 42 +16 36 40 TOK 196 Aa,Ab 2021 12 57 0.2 9.01 9.22 0.21 Y
Show IK Cnc 08 54 42 +16 36 40 AG 338 AB 2021 58 163 2.1 9.01 9.22 0.21 Y <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name IK Cnc Constellation Cancer HIP 43751 Tycho2 1394-00057-1
Gaia DR2 611482710205400960 ADS 7081 BD BD+17 1972 Distance 40.14
Distance ly 130.94
 
 
ORBITAL ELEMENTS
 
 
Period (P)1790.007y± 894.2191 Periastron (T)1751.4726y± 336.0532 Semi-major axis (a)11.1116a± 6.68307
Eccentricity (e)0.85987± 0.11839 Inclination (i)97.265°± 5.228 Longitude of periastron (ω)120.535°± 44.633
Node (Ω)113.755°± 22.16 Notes ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 174.8 1.810
2001 174.3 1.823
2002 173.8 1.836
2003 173.3 1.849
2004 172.9 1.862
2005 172.4 1.875
2006 172.0 1.888
2007 171.5 1.901
2008 171.1 1.915
2009 170.6 1.928
2010 170.2 1.942
2011 169.8 1.955
2012 169.4 1.969
2013 169.0 1.983
2014 168.6 1.997
2015 168.2 2.011
2016 167.8 2.025
2017 167.4 2.039
2018 167.0 2.054
2019 166.6 2.068
2020 166.3 2.082
2021 165.9 2.097
2022 165.5 2.111
2023 165.2 2.126
2024 164.8 2.141
2025 164.5 2.156
2026 164.1 2.170
2027 163.8 2.185
2028 163.5 2.200
2029 163.1 2.215
2030 162.8 2.230


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


 
  


wds08547%2B1637a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic