18231+2426 POU3400

 
 
18h 23m 08.59s +24 26' 05.5" P.A. 90 sep 8.3 mag 11.52,12.80
 
 
Coord 2000
18231+2426
Discov num
POU3400
Comp
Coord arcsec 2000
18 23 08.59 +24 26 05.5
Date first
1904
Date last
2010
Obs
8
Pa first
96
Pa last
90
P.A. Now (θ)
90°
Sep first
9.9
Sep last
8.3
Sep. Now (ρ)
8.3"
Mag pri
11.52
Mag sec
12.80
delta mag (ΔM)
1.28
Spectral class
Pri motion ra
+011
Sec motion ra
+003
Pri motion dec
-017
Sec motion dec
-003
Notes
rPM=0.796
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.6
Precise sep
8.31
Constellation
Hercules
Tycho2
2097-01275-1
last precise pa
89.6
last precise sep
8.31
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18231+2426 POU3400 1998 5 91 8.8 11.52 12.80 D 182308.59+242605.5
18231+2426 POU3400 2002 7 90 8.8 11.52 12.80 D 182308.59+242605.5
18231+2426 POU3400 2010 8 90 8.3 11.52 12.80 182308.59+242605.5

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