17165-1920 BU  958

 
 
17h 16m 28.64s -19 20' 14.1" P.A. 211 sep 1.9 mag 9.14,9.63 Sp A9V
 
 
Coord 2000
17165-1920
Discov num
BU  958
Comp
Coord arcsec 2000
17 16 28.64 -19 20 14.1
Date first
1880
Date last
2016
Obs
20
Pa first
221
Pa last
211
P.A. Now (θ)
211°
Sep first
1.4
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
9.14
Mag sec
9.63
delta mag (ΔM)
0.49
Spectral class
A9V (white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-007
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
211
Precise sep
1.936
Constellation
Ophiuchus
Tycho2
6241-00527-1
HD
156095
last precise pa
211
last precise sep
1.936
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17165-1920 BU 958 2002 19 211 1.8 9.14 9.63 A9V 171628.64-192014.1
17165-1920 BU 958 2016 20 211 1.9 9.14 9.63 A9V 171628.64-192014.1

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