16509+3556 SKF1351BC

 
 
16h 50m 55.86s +35 55' 53.0" P.A. 105 sep 176.9 mag 15.30,14.70 Sp M5V+M4.5V
 
 
Coord 2000
16509+3556
Discov num
SKF1351
Comp
BC
Coord arcsec 2000
16 50 55.86 +35 55 53.0
Date first
1999
Date last
2010
Obs
3
Pa first
105
Pa last
105
P.A. Now (θ)
105°
Sep first
176.7
Sep last
176.9
Sep. Now (ρ)
176.9"
Mag pri
15.30
Mag sec
14.70
delta mag (ΔM)
0.6
Spectral class
M5V+M4.5V (red/red)
Pri motion ra
-076
Sec motion ra
-069
Pri motion dec
+169
Sec motion dec
+171
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.039 (< 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
 
 
Precise pa
104.8
Precise sep
176.87
Constellation
Hercules
last precise pa
104.8
last precise sep
176.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16509+3556 SKF1351 BC 2010 3 105 176.9 15.30 14.70 M5V+M4.5V V R 165055.86+355553.0

If you need more information about this double, apply for a data request form to the WDS.