17555-4759 B  1873

 
 
17H 55M 31.08S -47 58' 44.3" P.A. 342 SEP 0.2 MAG 8.80,9.20 SP A0V
 
 
Coord 2000
17555-4759
Discov num
B  1873
Comp
Coord arcsec 2000
17 55 31.08 -47 58 44.3
Date first
1931
Date last
2010
Obs
7
Pa first
174
Pa last
342
P.A. Now (θ)
342°
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.80
Mag sec
9.20
delta mag (ΔM)
0.4
Spectral class
A0V (white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-023
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ara
SAO
228543
Tycho2
8348-02326-1
HD
162842
last precise pa
342.3
last precise sep
0.173