18007+1736 COU 810

 
 
18h 00m 43.53s +17 35' 31.1" P.A. 117 sep 0.2 mag 9.83,9.84 Sp A0 dist. 581.4 pc (1896.53 l.y.)
 
 
Coord 2000
18007+1736
Discov num
COU 810
Comp
Coord arcsec 2000
18 00 43.53 +17 35 31.1
Date first
1972
Date last
2008
Obs
9
Pa first
129
Pa last
117
P.A. Now (θ)
117°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.83
Mag sec
9.84
delta mag (ΔM)
0.01
Spectral class
A0 (white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
117.3
Precise sep
0.208
Constellation
Hercules
SAO
103296
HIP
88200
Tycho2
1558-01596-1
HD
347847
BD
BD+17 3404
Distance
581.4
Distance ly
1896.53
last precise pa
117.3
last precise sep
0.208
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18007+1736 COU 810 1995 8 113 0.2 9.83 9.84 A0 180043.53+173531.1
18007+1736 COU 810 2008 9 117 0.2 9.83 9.84 A0 180043.53+173531.1

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