18125-1522 LV    7AC

 
 
18H 12M 28.50S -15 22' 23.7" P.A. 240 SEP 33.7 MAG 8.15,10.81 SP B1/2II DIST. 854.7 PC (2788.03 L.Y.)
 
 
Coord 2000
18125-1522
Discov num
LV    7
Comp
AC
Coord arcsec 2000
18 12 28.50 -15 22 23.7
Date first
1905
Date last
2000
Obs
9
Pa first
241
Pa last
240
P.A. Now (θ)
240°
Sep first
33.4
Sep last
33.7
Sep. Now (ρ)
33.7"
Mag pri
8.15
Mag sec
10.81
delta mag (ΔM)
2.66
Spectral class
B1/2II (blue-white)
Pri motion ra
+008
Sec motion ra
+002
Pri motion dec
-004
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
18125-1522 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 161181 18125-1522 LV 7 AB 1892 1999 13 272 3.4 8.15 11.14 2.99
Show 161181 18125-1522 LV 7 AC 1905 2000 9 240 33.7 8.15 10.81 2.66 <===
Show 161181 18125-1522 AOT 71 AB,D 1987 2000 4 153 18.8 8.15 14.20 6.05
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
SAO
161181
HIP
89223
Tycho2
6264-00483-1
HD
166716
BD
BD-15 4864
Distance
854.7
Distance ly
2788.03
last precise pa
240.2
last precise sep
33.698