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
Cdsa2 id
SKF 1351 BC
Constellation
Hercules
Ra deg
16.84885
De deg
35.93138888888889
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.