13577-1717 WHC  12AB

 
 
13h 57m 42.96s -17 17' 30.8" P.A. 320 sep 3.1 mag 10.49,11.27
 
 
Coord 2000
13577-1717
Discov num
WHC  12
Comp
AB
Coord arcsec 2000
13 57 42.96 -17 17 30.8
Date first
1884
Date last
2016
Obs
18
Pa first
323
Pa last
320
P.A. Now (θ)
320°
Sep first
3.1
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
10.49
Mag sec
11.27
delta mag (ΔM)
0.78
Spectral class
Pri motion ra
+027
Sec motion ra
-027
Pri motion dec
-029
Sec motion dec
+039
Notes
N (See Notes)
rPM=1.831
This double is not physical.
 
 
13577-1717 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 13577-1717 WHC 12 AB 1884 2016 18 320 3.1 10.49 11.27 0.78 <===
Show 13577-1717 HJ 2692 AC 1831 2012 18 226 29.8 10.49 11.60 1.11
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
319.6
Precise sep
3.141
Constellation
Virgo
Tycho2
6140-00730-1
last precise pa
319.6
last precise sep
3.141
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13577-1717 WHC 12 AB 2001 15 321 3.2 10.49 11.27 135742.96-171730.8
13577-1717 WHC 12 AB 2008 16 321 3.2 10.49 11.27 135742.96-171730.8
13577-1717 WHC 12 AB 2016 18 320 3.1 10.49 11.27 N 135742.96-171730.8

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