16543-4150 B  1835

 
 
16H 54M 19.83S -41 50' 09.3" P.A. 253 SEP 3.3 MAG 8.80,13.40 SP O9.2IV+B
 
 
Coord 2000
16543-4150
Discov num
B  1835
Comp
Coord arcsec 2000
16 54 19.83 -41 50 09.3
Date first
1932
Date last
2000
Obs
2
Pa first
254
Pa last
253
P.A. Now (θ)
253°
Sep first
3.4
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
8.80
Mag sec
13.40
delta mag (ΔM)
4.6
Spectral class
O9.2IV+B (blue/blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
last precise pa
253.4
last precise sep
3.33