17269-4551 HJ 4949AB

 
 
17H 26M 51.98S -45 50' 34.7" P.A. 251 SEP 2.1 MAG 5.63,6.46 SP B7V+B9.5V DIST. 194.93 PC (635.86 L.Y.)
 
 
Coord 2000
17269-4551
Discov num
HJ 4949
Comp
AB
Coord arcsec 2000
17 26 51.98 -45 50 34.7
Date first
1834
Date last
2016
Obs
54
Pa first
268
Pa last
251
P.A. Now (θ)
251°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
5.63
Mag sec
6.46
delta mag (ΔM)
0.83
Spectral class
B7V+B9.5V (blue-white/blue-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-029
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
17269-4551 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227971 17269-4551 HJ 4949 AB 1834 2016 54 251 2.1 5.63 6.46 0.83 <===
Show 227971 17269-4551 DUN 216 AC 1836 2016 17 312 102.5 5.63 7.12 1.49
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ara
SAO
227971
HIP
85389
Tycho2
8342-06345-1
HD
157661
HR
6477
CD
CD-4511531
CP
CP-45 8580
Distance
194.93
Distance ly
635.86
last precise pa
251.1
last precise sep
2.12