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
Cdsa2 id
OL 99
Constellation
Ophiuchus
SAO
160204
Tycho2
6223-00513-1
HD
153189
Ra deg
16.977475
De deg
-18.050222222222224
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

If you need more information about this double, apply for a data request form to the WDS.