16503-4708 I   573

 
 
16h 50m 14.91s -47 07' 06.1" P.A. 17 sep 6.7 mag 10.73,12.10 Sp B9
 
 
Coord 2000
16503-4708
Discov num
I   573
Comp
Coord arcsec 2000
16 50 14.91 -47 07 06.1
Date first
1909
Date last
2010
Obs
8
Pa first
20
Pa last
17
P.A. Now (θ)
17°
Sep first
3.5
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
10.73
Mag sec
12.10
delta mag (ΔM)
1.37
Spectral class
B9 (blue-white)
Pri motion ra
+003
Sec motion ra
+004
Pri motion dec
-008
Sec motion dec
+007
Notes
rPM=1.76
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17
Precise sep
6.66
Constellation
Ara
Tycho2
8330-00857-1
HD
320028
last precise pa
17
last precise sep
6.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16503-4708 I 573 1999 4 16 6.6 10.73 12.10 B9 D 165014.91-470706.1
16503-4708 I 573 2010 8 16 5.8 10.73 12.10 B9 165014.91-470706.1

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