18094+3432 HU 1187

 
 
18h 09m 21.16s +34 31' 31.0" P.A. 78 sep 2.1 mag 9.63,13.60 Sp F0
 
 
Coord 2000
18094+3432
Discov num
HU 1187
Comp
Coord arcsec 2000
18 09 21.16 +34 31 31.0
Date first
1904
Date last
2007
Obs
4
Pa first
80
Pa last
78
P.A. Now (θ)
78°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.63
Mag sec
13.60
delta mag (ΔM)
3.97
Spectral class
F0 (yellow-white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
+019
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
78.4
Precise sep
2.066
Constellation
Hercules
SAO
66689
Tycho2
2630-00456-1
last precise pa
78.4
last precise sep
2.066
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18094+3432 HU 1187 1987 3 87 2.5 9.63 13.60 F0 180921.16+343131.0
18094+3432 HU 1187 2007 4 78 2.1 9.63 13.60 F0 180921.16+343131.0

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