16509+3556 SKF1351AC

 
 
16H 50M 56.82S +35 55' 57.9" P.A. 108 SEP 167.7 MAG 11.36,15.00 SP M0V+M4.5V
 
 
Coord 2000
16509+3556
Discov num
SKF1351
Comp
AC
Coord arcsec 2000
16 50 56.82 +35 55 57.9
Date first
1954
Date last
2012
Obs
9
Pa first
108
Pa last
108
P.A. Now (θ)
108°
Sep first
167.7
Sep last
167.7
Sep. Now (ρ)
167.7"
Mag pri
11.36
Mag sec
15.00
delta mag (ΔM)
3.64
Spectral class
M0V+M4.5V (red/red)
Pri motion ra
-081
Sec motion ra
-073
Pri motion dec
+174
Sec motion dec
+175
Notes
V (Proper motion indicates physical)
rPM=0.042 (< 0.3, Physical double)
This double is physical.
 
 
16509+3556 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16509+3556 SKF1351 AB 1982 2012 8 245 12.7 11.40 15.80 4.40
Show 16509+3556 SKF1351 AC 1954 2012 9 108 167.7 11.36 15.00 3.64 <===
Show 16509+3556 SKF1351 BC 1999 2010 3 105 176.9 15.30 14.70 0.60
Show 16509+3556 JNN 110 Ca,Cb 2008 2009 4 316 1.0 15.00 16.80 1.80
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
107.7
last precise sep
167.66