17082-4757 RST 898

 
 
17h 08m 09.88s -47 56' 53.1" P.A. 102 sep 1.6 mag 9.68,12.20 Sp B5III
 
 
Coord 2000
17082-4757
Discov num
RST 898
Comp
Coord arcsec 2000
17 08 09.88 -47 56 53.1
Date first
1930
Date last
1949
Obs
2
Pa first
104
Pa last
102
P.A. Now (θ)
102°
Sep first
1.5
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.68
Mag sec
12.20
delta mag (ΔM)
2.52
Spectral class
B5III (blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
102.1
Precise sep
1.6
Constellation
Ara
SAO
227650
Tycho2
8332-00409-1
HD
154505
last precise pa
102.1
last precise sep
1.6
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17082-4757 RST 898 1949 2 102 1.6 9.68 12.20 B5III 170809.88-475653.1

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