17154-4727 RST 911

 
 
17h 15m 24.39s -47 27' 12.1" P.A. 15 sep 4.4 mag 10.32,13.40 Sp B8/9II
 
 
Coord 2000
17154-4727
Discov num
RST 911
Comp
Coord arcsec 2000
17 15 24.39 -47 27 12.1
Date first
1930
Date last
1999
Obs
3
Pa first
17
Pa last
15
P.A. Now (θ)
15°
Sep first
4.1
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
10.32
Mag sec
13.40
delta mag (ΔM)
3.08
Spectral class
B8/9II (blue-white)
Pri motion ra
+002
Sec motion ra
Pri motion dec
+001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
14.5
Precise sep
4.4
Constellation
Ara
Tycho2
8345-03512-1
HD
155669
last precise pa
14.5
last precise sep
4.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17154-4727 RST 911 1999 3 15 4.4 10.32 13.40 B8/9II D 171524.39-472712.1

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