16586-1803 OL   99

 
 
16h 58m 38.91s -18 03' 00.8" P.A. 128 sep 2.9 mag 9.45,13.90 Sp A5Ib
 
 
Coord 2000
16586-1803
Discov num
OL   99
Comp
Coord arcsec 2000
16 58 38.91 -18 03 00.8
Date first
1921
Date last
1980
Obs
3
Pa first
130
Pa last
128
P.A. Now (θ)
128°
Sep first
2.6
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
9.45
Mag sec
13.90
delta mag (ΔM)
4.45
Spectral class
A5Ib (white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.2
Precise sep
2.94
Constellation
Ophiuchus
SAO
160204
Tycho2
6223-00513-1
HD
153189
last precise pa
128.2
last precise sep
2.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16586-1803 OL 99 1980 3 128 2.9 9.45 13.90 A5Ib 165838.91-180300.8

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