17465+2743 STF2220A,BC (Mu Her)

 
 
17H 46M 27.51S +27 43' 14.3" P.A. 249 SEP 35.5 MAG 3.49,9.78 SP G5IV+M3.5 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
2015
Obs
119
Pa first
240
Pa last
249
P.A. Now (θ)
249°
Sep first
18.0
Sep last
35.5
Sep. Now (ρ)
35.5"
Mag pri
3.49
Mag sec
9.78
delta mag (ΔM)
6.29
Spectral class
G5IV+M3.5 (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)
This double is physical.
 
 
17465+2743 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 85397 17465+2743 TRN 2 Aa,Ab 1998 2015 24 267 1.6 3.49 12.70 9.21 Y
Show Mu Her 85397 17465+2743 STF2220 A,BC 1781 2015 119 249 35.5 3.49 9.78 6.29 <===
Show 85397 17465+2743 ABT 14 AD 1921 2002 3 5 321.1 3.49 12.33 8.84
Show 85397 17465+2743 AC 7 BC 1854 2015 357 340 0.6 10.20 10.70 0.50 Y
Show 85397 17465+2743 ABT 14 BC,D 1921 2000 2 10 335.0 9.78 12.33 2.55
Quintuple system
5 visible 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
GL
Gl 695A
BD
BD+27 2888
Bayer
Mu Herculis
Bayer name
Mu Her
Flamsteed
86 Herculis
Flamsteed name
86 Her
Distance
8.31
Distance ly
27.11
last precise pa
249
last precise sep
35.5