17047-5306 I  1309

 
 
17h 04m 40.06s -53 05' 43.1" P.A. 307 sep 2.7 mag 10.81,11.80
 
 
Coord 2000
17047-5306
Discov num
I  1309
Comp
Coord arcsec 2000
17 04 40.06 -53 05 43.1
Date first
1926
Date last
1998
Obs
6
Pa first
312
Pa last
307
P.A. Now (θ)
307°
Sep first
2.8
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
10.81
Mag sec
11.80
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
+029
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
307.1
Precise sep
2.739
Constellation
Ara
Tycho2
8726-00659-1
last precise pa
307.1
last precise sep
2.739
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17047-5306 I 1309 1976 5 308 2.8 10.81 11.80 170440.06-530543.1
17047-5306 I 1309 1998 6 307 2.7 10.81 11.80 170440.06-530543.1

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