18005+1734 COU 809

 
 
18h 00m 30.13s +17 33' 52.7" P.A. 27 sep 1.8 mag 11.43,11.62
 
 
Coord 2000
18005+1734
Discov num
COU 809
Comp
Coord arcsec 2000
18 00 30.13 +17 33 52.7
Date first
1972
Date last
2014
Obs
6
Pa first
26
Pa last
27
P.A. Now (θ)
27°
Sep first
2.0
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
11.43
Mag sec
11.62
delta mag (ΔM)
0.19
Spectral class
Pri motion ra
Sec motion ra
+002
Pri motion dec
Sec motion dec
+018
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
27.3
Precise sep
1.76
Constellation
Hercules
Tycho2
1558-01586-2
last precise pa
27.3
last precise sep
1.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18005+1734 COU 809 1999 4 29 2.2 11.43 11.62 180030.13+173352.7
18005+1734 COU 809 2009 5 25 2.1 11.43 11.62 180030.13+173352.7
18005+1734 COU 809 2014 6 27 1.8 11.43 11.62 180030.13+173352.7

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