18242-1935 BU   49AC

 
 
18H 24M 09.30S -19 34' 37.4" P.A. 303 SEP 22.2 MAG 7.97,12.50 SP B8III
 
 
Coord 2000
18242-1935
Discov num
BU   49
Comp
AC
Coord arcsec 2000
18 24 09.30 -19 34 37.4
Date first
1898
Date last
1999
Obs
5
Pa first
301
Pa last
303
P.A. Now (θ)
303°
Sep first
21.7
Sep last
22.2
Sep. Now (ρ)
22.2"
Mag pri
7.97
Mag sec
12.50
delta mag (ΔM)
4.53
Spectral class
B8III (blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18242-1935 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 161426 18242-1935 BU 49 AB 1871 1999 18 46 8.1 7.97 11.30 3.33
Show 161426 18242-1935 BU 49 AC 1898 1999 5 303 22.2 7.97 12.50 4.53 <===
Show 161426 18242-1935 BU 49 AD 1898 1999 6 149 23.7 7.97 11.70 3.73
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
161426
Tycho2
6274-00524-1
HD
169174
last precise pa
303.4
last precise sep
22.162