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
 
 
Precise pa
253.4
Precise sep
3.33
Constellation
Scorpius
last precise pa
253.4
last precise sep
3.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16543-4150 B 1835 1932 1 254 3.4 8.30 12.80 O8V 165420.00-415000.0
16543-4150 B 1835 2000 2 253 3.3 8.60 12.80 O8V 165419.83-415009.3

If you need more information about this double, apply for a data request form to the WDS.