18393-5724 HJ 5050

 
 
18h 39m 20.91s -57 24' 02.4" P.A. 106 sep 12.2 mag 10.12,10.83 Sp F9
 
 
Coord 2000
18393-5724
Discov num
HJ 5050
Comp
Coord arcsec 2000
18 39 20.91 -57 24 02.4
Date first
1834
Date last
2010
Obs
9
Pa first
108
Pa last
106
P.A. Now (θ)
106°
Sep first
12.0
Sep last
12.2
Sep. Now (ρ)
12.2"
Mag pri
10.12
Mag sec
10.83
delta mag (ΔM)
0.71
Spectral class
F9 (yellow-white)
Pri motion ra
+017
Sec motion ra
+008
Pri motion dec
-006
Sec motion dec
-014
Notes
rPM=0.668
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.5
Precise sep
12.17
Constellation
Pavo
SAO
245607
Tycho2
8753-00124-1
last precise pa
105.5
last precise sep
12.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18393-5724 HJ 5050 1999 7 105 12.2 10.12 10.83 F9 D 183920.91-572402.4
18393-5724 HJ 5050 2010 9 106 12.3 10.12 10.83 F9 183920.91-572402.4

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