18388+2309 POU3451

 
 
18h 38m 46.62s +23 09' 19.5" P.A. 310 sep 7.4 mag 12.68,12.80
 
 
Coord 2000
18388+2309
Discov num
POU3451
Comp
Coord arcsec 2000
18 38 46.62 +23 09 19.5
Date first
1904
Date last
2010
Obs
6
Pa first
314
Pa last
310
P.A. Now (θ)
310°
Sep first
9.3
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
12.68
Mag sec
12.80
delta mag (ΔM)
0.12
Spectral class
Pri motion ra
+021
Sec motion ra
-003
Pri motion dec
-027
Sec motion dec
+002
Notes
rPM=1.101
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.3
Precise sep
7.42
Constellation
Hercules
Tycho2
2107-01431-1
last precise pa
310.3
last precise sep
7.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18388+2309 POU3451 1999 4 310 7.6 12.68 12.80 D 183846.62+230919.5
18388+2309 POU3451 2001 5 310 7.6 12.68 12.80 D 183846.62+230919.5
18388+2309 POU3451 2010 6 309 6.9 12.68 12.80 183846.62+230919.5

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