18118-1825 HJ 2820AB

 
 
18H 11M 46.79S -18 22' 52.3" P.A. 279 SEP 5.8 MAG 10.09,11.83 SP B0?VPE DIST. 512.82 PC (1672.82 L.Y.)
 
 
Coord 2000
18118-1825
Discov num
HJ 2820
Comp
AB
Coord arcsec 2000
18 11 46.79 -18 22 52.3
Date first
1830
Date last
1999
Obs
11
Pa first
282
Pa last
279
P.A. Now (θ)
279°
Sep first
3.0
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
10.09
Mag sec
11.83
delta mag (ΔM)
1.74
Spectral class
B0?Vpe (blue-white)
Pri motion ra
+004
Sec motion ra
-005
Pri motion dec
-002
Sec motion dec
-003
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18118-1825 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18118-1825 HJ 2820 AB 1830 1999 11 279 5.8 10.09 11.83 1.74 <===
Show 18118-1825 HJ 2820 AC 1830 1999 9 82 12.9 10.09 13.05 2.96
Show 18118-1825 HJ 2820 BC 1901 1999 9 87 18.5 11.83 13.05 1.22
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
HIP
89158
Tycho2
6268-01416-1
HD
166524
BD
BD-18 4826
Distance
512.82
Distance ly
1672.82
last precise pa
278.6
last precise sep
5.783