18103+2128 HEI9002A,BC

 
 
18H 10M 18.90S +21 27' 40.9" P.A. 61 SEP 16.1 MAG 10.96,10.40
 
 
Coord 2000
18103+2128
Discov num
HEI9002
Comp
A,BC
Coord arcsec 2000
18 10 18.90 +21 27 40.9
Date first
1894
Date last
2008
Obs
10
Pa first
56
Pa last
61
P.A. Now (θ)
61°
Sep first
15.0
Sep last
16.1
Sep. Now (ρ)
16.1"
Mag pri
10.96
Mag sec
10.40
delta mag (ΔM)
0.56
Spectral class
Pri motion ra
-002
Sec motion ra
-009
Pri motion dec
-002
Sec motion dec
-014
Notes
Nature of this double is uncertain.
 
 
18103+2128 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18103+2128 HEI9002 A,BC 1894 2008 10 61 16.1 10.96 10.40 0.56 <===
Show 18103+2128 BRT2442 BC 1894 2007 8 74 3.8 11.10 11.10 0.00
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
1579-01121-1
HD
341675
last precise pa
60.9
last precise sep
16.05