17317+3019 STF2181AB

 
 
17H 31M 42.54S +30 19' 05.3" P.A. 326 SEP 32.6 MAG 7.04,10.54 SP K0 DIST. 86.81 PC (283.17 L.Y.)
 
 
Coord 2000
17317+3019
Discov num
STF2181
Comp
AB
Coord arcsec 2000
17 31 42.54 +30 19 05.3
Date first
1902
Date last
2007
Obs
19
Pa first
306
Pa last
326
P.A. Now (θ)
326°
Sep first
26.8
Sep last
32.6
Sep. Now (ρ)
32.6"
Mag pri
7.04
Mag sec
10.54
delta mag (ΔM)
3.5
Spectral class
K0 (yellow-orange)
Pri motion ra
-005
Sec motion ra
+030
Pri motion dec
-120
Sec motion dec
-018
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
This double is not physical.
 
 
17317+3019 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 66109 17317+3019 STF2181 AB 1902 2007 19 326 32.6 7.04 10.54 3.50 <===
Show 66109 17317+3019 STF2181 AC 1902 2002 7 217 38.6 7.04 12.55 5.51
Show 66109 17317+3019 SLE 27 AD 1902 2002 6 26 163.5 7.04 12.49 5.45
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
66109
HIP
85781
Tycho2
2605-01489-1
HD
159118
BD
BD+30 3013
Distance
86.81
Distance ly
283.17
last precise pa
326.4
last precise sep
32.59