16509+3556 JNN 110Ca,Cb

 
 
16H 51M 09.95S +35 55' 07.5" P.A. 316 SEP 1 MAG 15.00,16.80 SP M4+M5.5
 
 
Coord 2000
16509+3556
Discov num
JNN 110
Comp
Ca,Cb
Coord arcsec 2000
16 51 09.95 +35 55 07.5
Date first
2008
Date last
2009
Obs
4
Pa first
316
Pa last
316
P.A. Now (θ)
316°
Sep first
1.0
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
15.00
Mag sec
16.80
delta mag (ΔM)
1.8
Spectral class
M4+M5.5 (red/red)
Pri motion ra
-069
Sec motion ra
Pri motion dec
+171
Sec motion dec
Notes
V (Proper motion indicates physical)
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
316.4
last precise sep
1.035