18334-1026 BU  642AB

 
 
18H 33M 24.42S -10 26' 26.4" P.A. 89 SEP 4.2 MAG 9.98,12.00
 
 
Coord 2000
18334-1026
Discov num
BU  642
Comp
AB
Coord arcsec 2000
18 33 24.42 -10 26 26.4
Date first
1878
Date last
2009
Obs
11
Pa first
92
Pa last
89
P.A. Now (θ)
89°
Sep first
4.1
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
9.98
Mag sec
12.00
delta mag (ΔM)
2.02
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18334-1026 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18334-1026 BU 642 AB 1878 2009 11 89 4.2 9.98 12.00 2.02 <===
Show 18334-1026 BU 642 AC 1913 2009 5 30 63.5 9.98 12.02 2.04
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scutum
Tycho2
5695-00071-1
last precise pa
88.9
last precise sep
4.24