17364+6820 ENG 61 AB (HD 160861)

 
 
17h 36m 42.10s +68° 22' 59.0" P.A. 209.00 sep 177.7 mag 8.09,9.33 Sp F5V+M3.5V dist. 88.81 pc (289.7 l.y.)
 
 
Coord 2000 17364+6820 Discov num ENG  61 Comp AB Coord arcsec 2000 17 36 42.10 +68 22 59.0
Date first 1877 Date last 2013 Obs 16
Pa first 280 Pa last 209.1 P.A. Now (θ) 209.1°
Sep first 49.6 Sep last 177.744 Sep. Now (ρ) 177.744"
Mag pri 8.09 Mag sec 9.33 delta mag (ΔM) 1.24 Spectral class F5V+M3.5V (yellow-white/red)
Pri motion ra +000 Sec motion ra -032
Pri motion dec +008 Sec motion dec -127
Notes N L P (See Notes, Linear solution, 100-year proper motion)
rPM=1.059
This double is not physical.
 
 
17364+6820 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17570 17 36 42 +68 22 59 CHR 62 Aa,Ab 1993 2 352 0.3 9.15 Y
Show HD 160861 17570 17 36 42 +68 22 59 ENG 61 AB 2013 16 209 177.7 8.09 9.33 1.24 <===
Show 17570 17 36 42 +68 22 59 STU 10 AC 2015 12 95 177.3 8.09 11.38 3.29
Show 17 36 26 +68 20 21 STU 10 BC 1999 6 62 301.6 9.33 11.38 2.05
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 160861 Constellation Draco SAO 17570 HIP 86187
Tycho2 4428-01849-1 Gaia DR2 1637692474737869440 HD 160861 BD BD+68 947
Distance 88.81 Distance ly 289.7