18213+2409 COU 505

 
 
18h 21m 16.17s +24 09' 06.1" P.A. 313 sep 0.9 mag 11.02,11.29 Sp F8
 
 
Coord 2000
18213+2409
Discov num
COU 505
Comp
Coord arcsec 2000
18 21 16.17 +24 09 06.1
Date first
1970
Date last
1996
Obs
5
Pa first
318
Pa last
313
P.A. Now (θ)
313°
Sep first
1.0
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
11.02
Mag sec
11.29
delta mag (ΔM)
0.27
Spectral class
F8 (yellow-white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-017
Sec motion dec
-017
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
313.4
Precise sep
0.91
Constellation
Hercules
Tycho2
2093-00989-1
last precise pa
313.4
last precise sep
0.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18213+2409 COU 505 1996 5 313 0.9 11.02 11.29 F8 182116.17+240906.1

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