18511+2253 COU 318

 
 
18h 51m 05.36s +22 52' 52.3" P.A. 286 sep 3.4 mag 9.35,12.80 Sp F2
 
 
Coord 2000
18511+2253
Discov num
COU 318
Comp
Coord arcsec 2000
18 51 05.36 +22 52 52.3
Date first
1968
Date last
2006
Obs
2
Pa first
280
Pa last
286
P.A. Now (θ)
286°
Sep first
3.2
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
9.35
Mag sec
12.80
delta mag (ΔM)
3.45
Spectral class
F2 (yellow-white)
Pri motion ra
+013
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.8
Precise sep
3.392
Constellation
Hercules
last precise pa
285.8
last precise sep
3.392
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18511+2253 COU 318 2006 2 286 3.4 9.35 12.80 F2 185105.36+225252.3

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