16554-3929 B  1325

 
 
16h 55m 25.10s -39 29' 02.0" P.A. 329.00 sep 3.5 mag 9.28,13.70 Sp B5III
 
 
Coord 2000
16554-3929
Discov num
B  1325
Comp
Coord arcsec 2000
16 55 25.10 -39 29 02.0
Date first
1928
Date last
2015
Obs
2
Pa first
330
Pa last
329
P.A. Now (θ)
329°
Sep first
3.0
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
9.28
Mag sec
13.70
delta mag (ΔM)
4.42
Spectral class
B5III (blue-white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
-045
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
329.1
Precise sep
3.469
Constellation
Scorpius
SAO
208190
Tycho2
7872-00570-1
Gaia DR2
5969802471824624896
HD
322211
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16554-3929 B 1325 1928 1 330 3.0 9.28 13.70 165525.10-392902.0
16554-3929 B 1325 2000 2 329 3.4 9.28 13.70 B5III 165525.10-392902.0
16554-3929 B 1325 2015 3 329 3.5 9.28 13.70 B5III 165525.10-392902.0

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