17554-3851 I  1345

 
 
17h 55m 24.31s -38 50' 39.9" P.A. 186 sep 0.4 mag 9.00,9.90 Sp F0
 
 
Coord 2000
17554-3851
Discov num
I  1345
Comp
Coord arcsec 2000
17 55 24.31 -38 50 39.9
Date first
1926
Date last
2008
Obs
7
Pa first
199
Pa last
186
P.A. Now (θ)
186°
Sep first
0.7
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.00
Mag sec
9.90
delta mag (ΔM)
0.9
Spectral class
F0 (yellow-white)
Pri motion ra
-018
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
185.6
Precise sep
0.438
Constellation
Scorpius
SAO
209461
Tycho2
7886-01355-1
HD
162944
last precise pa
185.6
last precise sep
0.438
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17554-3851 I 1345 1990 6 188 0.5 9.00 9.90 F0 175524.31-385039.9
17554-3851 I 1345 2008 7 186 0.4 9.00 9.90 F0 175524.31-385039.9

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