18245-2947 B  2446AB

 
 
18H 24M 29.77S -29 46' 49.3" P.A. 224 SEP 9.3 MAG 8.19,14.10 SP A7V
 
 
Coord 2000
18245-2947
Discov num
B  2446
Comp
AB
Coord arcsec 2000
18 24 29.77 -29 46 49.3
Date first
1930
Date last
1999
Obs
3
Pa first
225
Pa last
224
P.A. Now (θ)
224°
Sep first
7.0
Sep last
9.3
Sep. Now (ρ)
9.3"
Mag pri
8.19
Mag sec
14.10
delta mag (ΔM)
5.91
Spectral class
A7V (white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-040
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18245-2947 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186777 18245-2947 BIL 7 Aa,Ab 2013 2013 1 0 0.1 5.60 12.10 6.50
Show 186777 18245-2947 B 2446 AB 1930 1999 3 224 9.3 8.19 14.10 5.91 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186777
Tycho2
6856-00876-1
HD
169142
last precise pa
223.7
last precise sep
9.267