17279-2508 RST3098

 
 
17h 27m 53.21s -25 08' 25.7" P.A. 166 sep 0.3 mag 10.90,11.00 Sp B9IV
 
 
Coord 2000
17279-2508
Discov num
RST3098
Comp
Coord arcsec 2000
17 27 53.21 -25 08 25.7
Date first
1934
Date last
1951
Obs
3
Pa first
171
Pa last
166
P.A. Now (θ)
166°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
10.90
Mag sec
11.00
delta mag (ΔM)
0.1
Spectral class
B9IV (blue-white)
Pri motion ra
-007
Sec motion ra
Pri motion dec
-017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166
Precise sep
0.32
Constellation
Ophiuchus
SAO
185424
Tycho2
6830-00096-1
HD
158019
last precise pa
166
last precise sep
0.32
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17279-2508 RST3098 1951 3 166 0.3 10.90 11.00 B9IV 172753.21-250825.7

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