18175+2312 POU3381

 
 
18h 17m 27.88s +23 12' 49.3" P.A. 87 sep 14.4 mag 11.88,13.50
 
 
Coord 2000
18175+2312
Discov num
POU3381
Comp
Coord arcsec 2000
18 17 27.88 +23 12 49.3
Date first
1904
Date last
2010
Obs
7
Pa first
67
Pa last
87
P.A. Now (θ)
87°
Sep first
14.0
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
11.88
Mag sec
13.50
delta mag (ΔM)
1.62
Spectral class
Pri motion ra
-029
Sec motion ra
+077
Pri motion dec
+034
Sec motion dec
-015
Notes
rPM=1.489
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.8
Precise sep
14.37
Constellation
Hercules
Tycho2
2093-01310-1
HD
341912
last precise pa
86.8
last precise sep
14.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18175+2312 POU3381 1999 5 85 14.3 11.88 13.50 D 181727.88+231249.3
18175+2312 POU3381 2001 6 85 14.3 11.88 13.50 D 181727.88+231249.3
18175+2312 POU3381 2010 7 87 14.3 11.88 13.50 181727.88+231249.3

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