16549-4104 I   101

 
 
16h 54m 54.53s -41 03' 56.6" P.A. 356 sep 1.5 mag 9.62,10.22 Sp B1Ib
 
 
Coord 2000
16549-4104
Discov num
I   101
Comp
Coord arcsec 2000
16 54 54.53 -41 03 56.6
Date first
1896
Date last
1991
Obs
9
Pa first
355
Pa last
356
P.A. Now (θ)
356°
Sep first
1.0
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.62
Mag sec
10.22
delta mag (ΔM)
0.6
Spectral class
B1Ib (blue-white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-004
Sec motion dec
-004
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
355.7
Precise sep
1.516
Constellation
Scorpius
SAO
227422
Tycho2
7872-01748-1
HD
152385
last precise pa
355.7
last precise sep
1.516
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16549-4104 I 101 1991 9 356 1.5 9.62 10.22 B1Ib 165454.53-410356.6

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