17465+2743 STF 2220 A,BC (Mu Her)

 
 
17h 46m 27.51s +27° 43' 14.3" P.A. 249.00 sep 35.4 mag 3.49,9.78 Sp G5IV+M2V dist. 8.31 pc (27.11 l.y.)
 
 
Coord 2000 17465+2743 Discov num STF2220 Comp A,BC Coord arcsec 2000 17 46 27.51 +27 43 14.3
Date first 1781 Date last 2016 Obs 121
Pa first 240 Pa last 248.9 P.A. Now (θ) 248.9°
Sep first 18.0 Sep last 35.36 Sep. Now (ρ) 35.36"
Mag pri 3.49 Mag sec 9.78 delta mag (ΔM) 6.29 Spectral class G5IV+M2V (yellow/red)
Pri motion ra -292 Sec motion ra -343
Pri motion dec -750 Sec motion dec -744
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.063 (< 0.3, Physical double)
This double is physical.
 
 
17465+2743 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 85397 17 46 28 +27 43 14 TRN 2 Aa,Ab 2015 24 255 1.8 3.49 12.70 9.21 Y
Show Mu Her 85397 17 46 28 +27 43 14 STF 2220 A,BC 2016 121 249 35.4 3.49 9.78 6.29 <===
Show 85397 17 46 28 +27 43 14 ABT 14 AD 2002 3 5 321.1 3.49 12.33 8.84
Show 17 46 25 +27 43 01 AC 7 BC 2021 371 27 1.0 10.20 10.70 0.50 Y
Show 17 46 25 +27 43 01 ABT 14 BC,D 2000 2 10 335.0 9.78 12.33 2.55
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Mu Her Constellation Hercules SAO 85397 HIP 86974
Tycho2 2085-03062-1 HD 161797 HR 6623 GC 24138
ADS 10786 GL Gl 695A BD BD+27 2888 Bayer Mu Herculis
Bayer name Mu Her Flamsteed 86 Herculis Flamsteed name 86 Her FK5 667
Distance 8.31 Distance ly 27.11 Bayer greek μ Her