16397-4921 HJ 4873AC

 
 
16H 39M 43.61S -49 21' 01.8" P.A. 169 SEP 13.3 MAG 9.07,12.26 SP B1/2III
 
 
Coord 2000
16397-4921
Discov num
HJ 4873
Comp
AC
Coord arcsec 2000
16 39 43.61 -49 21 01.8
Date first
1904
Date last
1999
Obs
4
Pa first
167
Pa last
169
P.A. Now (θ)
169°
Sep first
14.0
Sep last
13.3
Sep. Now (ρ)
13.3"
Mag pri
9.07
Mag sec
12.26
delta mag (ΔM)
3.19
Spectral class
B1/2III (blue-white)
Pri motion ra
+003
Sec motion ra
-001
Pri motion dec
-005
Sec motion dec
-008
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
16397-4921 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227012 16397-4921 HJ 4873 AB 1836 1999 8 69 30.5 9.07 9.55 0.48
Show 227012 16397-4921 HJ 4873 AC 1904 1999 4 169 13.3 9.07 12.26 3.19 <===
Show 16397-4921 HJ 4873 BD 1904 1999 5 35 8.2 9.55 12.10 2.55
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ara
SAO
227012
Tycho2
8333-00680-1
HD
149855
last precise pa
169.2
last precise sep
13.32