17410-2719 I  1333

 
 
17h 41m 02.69s -27 19' 17.8" P.A. 321 sep 1.5 mag 10.80,10.99 Sp B9III
 
 
Coord 2000
17410-2719
Discov num
I  1333
Comp
Coord arcsec 2000
17 41 02.69 -27 19 17.8
Date first
1925
Date last
1991
Obs
4
Pa first
319
Pa last
321
P.A. Now (θ)
321°
Sep first
1.3
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
10.80
Mag sec
10.99
delta mag (ΔM)
0.19
Spectral class
B9III (blue-white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-002
Sec motion dec
-002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
320.5
Precise sep
1.465
Constellation
Ophiuchus
Tycho2
6835-00242-1
HD
160443
last precise pa
320.5
last precise sep
1.465
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17410-2719 I 1333 1991 4 321 1.5 10.80 10.99 B9III 174102.69-271917.8

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