18181-1310 HU   59

 
 
18h 18m 04.79s -13 09' 51.0" P.A. 343 sep 1 mag 9.56,10.04 Sp G0V
 
 
Coord 2000
18181-1310
Discov num
HU   59
Comp
Coord arcsec 2000
18 18 04.79 -13 09 51.0
Date first
1899
Date last
1991
Obs
9
Pa first
339
Pa last
343
P.A. Now (θ)
343°
Sep first
0.7
Sep last
1.0
Sep. Now (ρ)
1"
Mag pri
9.56
Mag sec
10.04
delta mag (ΔM)
0.48
Spectral class
G0V (yellow)
Pri motion ra
-012
Sec motion ra
-012
Pri motion dec
+018
Sec motion dec
+018
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
SAO
161290
Tycho2
5689-00022-1
HD
167948
last precise pa
343
last precise sep
0.954
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18181-1310 HU 59 1991 9 343 1.0 9.56 10.04 G0V 181804.79-130951.0

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