17306-4709 RST 933

 
 
17H 30M 38.02S -47 08' 48.7" P.A. 253 SEP 0.4 MAG 10.55,10.62 SP B9III
 
 
Coord 2000
17306-4709
Discov num
RST 933
Comp
Coord arcsec 2000
17 30 38.02 -47 08 48.7
Date first
1930
Date last
1991
Obs
3
Pa first
269
Pa last
253
P.A. Now (θ)
253°
Sep first
0.9
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.55
Mag sec
10.62
delta mag (ΔM)
0.07
Spectral class
B9III (blue-white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
+001
Sec motion dec
+001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ara
SAO
228047
Tycho2
8346-01907-1
HD
158278
last precise pa
252.8
last precise sep
0.37