17024-4855 R   288AB

 
 
17H 02M 21.72S -48 55' 06.8" P.A. 52 SEP 2.5 MAG 9.13,9.84 SP B7V DIST. 1923.08 PC (6273.09 L.Y.)
 
 
Coord 2000
17024-4855
Discov num
R   288
Comp
AB
Coord arcsec 2000
17 02 21.72 -48 55 06.8
Date first
1881
Date last
1998
Obs
15
Pa first
56
Pa last
52
P.A. Now (θ)
52°
Sep first
2.0
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.13
Mag sec
9.84
delta mag (ΔM)
0.71
Spectral class
B7V (blue-white)
Pri motion ra
-016
Sec motion ra
+002
Pri motion dec
-015
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
17024-4855 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227563 17024-4855 R 288 AB 1881 1998 15 52 2.5 9.13 9.84 0.71 <===
Show 227563 17024-4855 HJ 4906 AC 1834 1999 15 235 16.2 9.13 10.62 1.49
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ara
SAO
227563
HIP
83371
Tycho2
8335-00163-1
HD
153507
CD
CD-4811379
Distance
1923.08
Distance ly
6273.09
last precise pa
51.6
last precise sep
2.472