16578-3754 B   883

 
 
16h 57m 49.13s -37 54' 36.5" P.A. 301 sep 2.2 mag 9.97,11.27 Sp B8
 
 
Coord 2000
16578-3754
Discov num
B   883
Comp
Coord arcsec 2000
16 57 49.13 -37 54 36.5
Date first
1927
Date last
1998
Obs
5
Pa first
302
Pa last
301
P.A. Now (θ)
301°
Sep first
2.2
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
9.97
Mag sec
11.27
delta mag (ΔM)
1.3
Spectral class
B8 (blue-white)
Pri motion ra
+021
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301
Precise sep
2.246
Constellation
Scorpius
Tycho2
7868-00411-1
HD
322319
last precise pa
301
last precise sep
2.246
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16578-3754 B 883 1991 4 303 2.2 9.97 11.27 B8 165749.13-375436.5
16578-3754 B 883 1998 5 301 2.2 9.97 11.27 B8 165749.13-375436.5

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