17188-5734 RST 916

 
 
17h 18m 47.82s -57 34' 04.6" P.A. 214 sep 0.4 mag 9.70,9.90 Sp A0V
 
 
Coord 2000
17188-5734
Discov num
RST 916
Comp
Coord arcsec 2000
17 18 47.82 -57 34 04.6
Date first
1929
Date last
2008
Obs
4
Pa first
32
Pa last
214
P.A. Now (θ)
214°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.70
Mag sec
9.90
delta mag (ΔM)
0.2
Spectral class
A0V (white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
213.8
Precise sep
0.404
Constellation
Ara
SAO
244606
Tycho2
8735-00676-1
HD
156050
last precise pa
213.8
last precise sep
0.404
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17188-5734 RST 916 1990 3 215 0.4 9.70 9.90 A0V 171847.82-573404.6
17188-5734 RST 916 2008 4 214 0.4 9.70 9.90 A0V 171847.82-573404.6

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