20494-1638 RST3269

 
 
20h 49m 23.47s -16 37' 37.1" P.A. 65 sep 1.9 mag 9.79,12.70 Sp F8V dist. 321.54 pc (1048.86 l.y.)
 
 
Coord 2000
20494-1638
Discov num
RST3269
Comp
Coord arcsec 2000
20 49 23.47 -16 37 37.1
Date first
1935
Date last
2000
Obs
3
Pa first
74
Pa last
65
P.A. Now (θ)
65°
Sep first
2.0
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
9.79
Mag sec
12.70
delta mag (ΔM)
2.91
Spectral class
F8V (yellow-white)
Pri motion ra
+029
Sec motion ra
Pri motion dec
-024
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr
O6.5V
Constellation
Ara
SAO
227049
HIP
81702
Tycho2
8334-01503-1
HD
150136
HR
6187
CD
CD-4811070
Distance
321.54
Distance ly
1048.86
last precise pa
65.4
last precise sep
1.89
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20494-1638 RST3269 1943 2 75 2.1 9.79 12.70 F8V 204923.47-163737.1
20494-1638 RST3269 2000 3 65 1.9 9.79 12.70 F8V 204923.47-163737.1

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