18039-2250 B  2430

 
 
18H 03M 55.89S -22 50' 14.8" P.A. 7 SEP 8.8 MAG 7.12,12.40 SP B0III
 
 
Coord 2000
18039-2250
Discov num
B  2430
Comp
Coord arcsec 2000
18 03 55.89 -22 50 14.8
Date first
1929
Date last
2010
Obs
3
Pa first
5
Pa last
7
P.A. Now (θ)
Sep first
8.0
Sep last
8.8
Sep. Now (ρ)
8.8"
Mag pri
7.12
Mag sec
12.40
delta mag (ΔM)
5.28
Spectral class
B0III (blue-white)
Pri motion ra
+005
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186208
Tycho2
6842-00878-1
HD
164833
last precise pa
7.1
last precise sep
8.84