17488-4130 I  1339

 
 
17h 48m 47.44s -41 30' 01.5" P.A. 100 sep 0.4 mag 10.40,10.70 Sp B9II
 
 
Coord 2000
17488-4130
Discov num
I  1339
Comp
Coord arcsec 2000
17 48 47.44 -41 30 01.5
Date first
1926
Date last
1986
Obs
2
Pa first
92
Pa last
100
P.A. Now (θ)
100°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.40
Mag sec
10.70
delta mag (ΔM)
0.3
Spectral class
B9II (blue-white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
99.8
Precise sep
0.35
Constellation
Scorpius
SAO
228439
Tycho2
7893-00463-1
HD
161668
last precise pa
99.8
last precise sep
0.35
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17488-4130 I 1339 1986 2 100 0.4 10.40 10.70 B9II 174847.44-413001.5

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