08547+1637 TOK 196 Aa,Ab

 
 
08h 54m 41.52s +16° 36' 39.7" P.A. 57.00 sep 0.2 mag 9.01,9.22 Sp G5 dist. 40.14 pc (130.94 l.y.)
 
 
Coord 2000 08547+1637 Discov num TOK 196 Comp Aa,Ab Coord arcsec 2000 08 54 41.52 +16 36 39.7
Date first 2010 Date last 2021 Obs 12
Pa first 18 Pa last 57.3 P.A. Now (θ) 57.3°
Sep first 0.1 Sep last 0.155 Sep. Now (ρ) 0.155"
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 BD BD+17 1972 Distance 40.14 Distance ly 130.94
 
 
ORBITAL ELEMENTS
 
 
Period (P)15.365y Periastron (T)2010.088y Semi-major axis (a)0.184a
Eccentricity (e)0.65 Inclination (i)136.7° Longitude of periastron (ω)106.2°
Node (Ω)28.1° Notes ReferenceTok2017c
Equinox2000 Last observation2016 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 118.5 0.205
2001 108.7 0.217
2002 99.8 0.226
2003 91.4 0.231
2004 83.3 0.233
2005 75.1 0.229
2006 66.4 0.219
2007 56.6 0.201
2008 43.9 0.170
2009 22.8 0.118
2010 293.3 0.047
2011 195.8 0.105
2012 167.1 0.142
2013 148.6 0.166
2014 134.3 0.185
2015 122.4 0.200
2016 112.2 0.213
2017 103.0 0.223
2018 94.4 0.230
2019 86.2 0.233
2020 78.1 0.231
2021 69.7 0.224
2022 60.4 0.209
2023 49.0 0.183
2024 32.4 0.140
2025 348.2 0.067
2026 213.9 0.084
2027 175.7 0.131
2028 154.7 0.158
2029 139.1 0.178
2030 126.5 0.195


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



 
 


wds08547%2B1637e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic