16579+4722 STFA 32AC

 
 
16H 57M 53.18S +47 22' 00.0" P.A. 261 SEP 112.4 MAG 7.93,8.05 SP K0V DIST. 18.3 PC (59.69 L.Y.)
 
 
Coord 2000
16579+4722
Discov num
STFA 32
Comp
AC
Coord arcsec 2000
16 57 53.18 +47 22 00.0
Date first
1823
Date last
2015
Obs
32
Pa first
276
Pa last
261
P.A. Now (θ)
261°
Sep first
115.1
Sep last
112.4
Sep. Now (ρ)
112.4"
Mag pri
7.93
Mag sec
8.05
delta mag (ΔM)
0.12
Spectral class
K0V (yellow-orange)
Pri motion ra
-147
Sec motion ra
-143
Pri motion dec
+272
Sec motion dec
+245
Notes
N O W Z (See Notes, Orbital solution, , Parallax indicates components are physical)
This double is physical.
 
 
16579+4722 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show STFA 32AC 46409 16579+4722 A 1874 AB 1908 2013 31 64 5.0 7.93 10.85 2.92 Y
Show 46409 16579+4722 STFA 32 AC 1823 2015 32 261 112.4 7.93 8.05 0.12 <===
Show 46409 16579+4722 A 1874 AD 1908 2000 3 246 25.9 7.93 15.00 7.07
Show 46409 16579+4722 STFA 32 BC 1991 2007 8 261 117.1 10.85 8.05 2.80
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V1090 Her
Constellation
Hercules
SAO
46409
HIP
83020
Tycho2
3500-01780-1
HD
153557
GL
Gl 649.1A
BD
BD+47 2415
Distance
18.3
Distance ly
59.69
last precise pa
261.4
last precise sep
112.382