16579+4722 A  1874AD

 
 
16h 57m 53.18s +47 22' 00.0" P.A. 246 sep 25.9 mag 7.93,15.00 Sp K0 dist. 18.3 pc (59.69 l.y.)
 
 
Coord 2000
16579+4722
Discov num
A  1874
Comp
AD
Coord arcsec 2000
16 57 53.18 +47 22 00.0
Date first
1908
Date last
2000
Obs
3
Pa first
270
Pa last
246
P.A. Now (θ)
246°
Sep first
40.0
Sep last
25.9
Sep. Now (ρ)
25.9"
Mag pri
7.93
Mag sec
15.00
delta mag (ΔM)
7.07
Spectral class
K0 (yellow-orange)
Pri motion ra
-147
Sec motion ra
-014
Pri motion dec
+272
Sec motion dec
-020
Notes
N W (See Notes, )
rPM=1.038
This double is not 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
 
 
Precise pa
245.5
Precise sep
25.94
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
245.5
last precise sep
25.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16579+4722 A 1874 AD 2000 2 246 25.9 7.93 15.00 K0 165753.31+472157.7

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