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
SAO
86504
Tycho2
2109-01596-1
Gaia DR2
4531716033790309248
HD
343169
 
 
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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