17276-4119 I  1321

 
 
17h 27m 35.64s -41 18' 41.8" P.A. 137 sep 0.5 mag 8.40,9.90 Sp B2/3III
 
 
Coord 2000
17276-4119
Discov num
I  1321
Comp
Coord arcsec 2000
17 27 35.64 -41 18 41.8
Date first
1926
Date last
1990
Obs
5
Pa first
143
Pa last
137
P.A. Now (θ)
137°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
8.40
Mag sec
9.90
delta mag (ΔM)
1.5
Spectral class
B2/3III (blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
136.9
Precise sep
0.451
Constellation
Scorpius
SAO
227989
Tycho2
7891-01462-1
HD
157846
last precise pa
136.9
last precise sep
0.451
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17276-4119 I 1321 1990 5 137 0.5 8.40 9.90 B2/3III 172735.64-411841.8

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