17269-4551 DUN 216AC

 
 
17h 26m 51.98s -45 50' 34.7" P.A. 312 sep 102.5 mag 5.63,7.12 Sp A0V dist. 194.93 pc (635.86 l.y.)
 
 
Coord 2000
17269-4551
Discov num
DUN 216
Comp
AC
Coord arcsec 2000
17 26 51.98 -45 50 34.7
Date first
1836
Date last
2016
Obs
17
Pa first
314
Pa last
312
P.A. Now (θ)
312°
Sep first
104.0
Sep last
102.5
Sep. Now (ρ)
102.5"
Mag pri
5.63
Mag sec
7.12
delta mag (ΔM)
1.49
Spectral class
A0V (white)
Pri motion ra
-006
Sec motion ra
-005
Pri motion dec
-028
Sec motion dec
-030
Notes
rPM=0.074 (< 0.3, Physical double)
This double is physical.
 
 
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
 
 
Precise pa
311.6
Precise sep
102.54
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
311.6
last precise sep
102.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17269-4551 DUN 216 AC 1999 15 312 102.4 5.63 7.12 A0V D 172651.98-455034.7
17269-4551 DUN 216 AC 2013 16 312 102.6 5.63 7.12 A0V 172651.98-455034.7
17269-4551 DUN 216 AC 2016 17 312 102.5 5.63 7.12 A0V 172651.98-455034.7

If you need more information about this double, apply for a data request form to the WDS.