18165+2249 HU  319AC

 
 
18h 16m 27.03s +22 49' 03.9" P.A. 191 sep 2.7 mag 9.10,13.60 Sp A5
 
 
Coord 2000
18165+2249
Discov num
HU  319
Comp
AC
Coord arcsec 2000
18 16 27.03 +22 49 03.9
Date first
1957
Date last
2000
Obs
3
Pa first
202
Pa last
191
P.A. Now (θ)
191°
Sep first
3.0
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
9.10
Mag sec
13.60
delta mag (ΔM)
4.5
Spectral class
A5 (white)
Pri motion ra
+022
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18165+2249 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 85882 18165+2249 HU 319 AB 1901 1992 20 106 0.3 9.10 9.50 0.40
Show 85882 18165+2249 HU 319 AC 1957 2000 3 191 2.7 9.10 13.60 4.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191
Precise sep
2.74
Constellation
Hercules
SAO
85882
Tycho2
2092-00780-1
HD
167921
last precise pa
191
last precise sep
2.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18165+2249 HU 319 AC 1962 2 203 2.8 8.79 13.30 A5 181627.03+224903.9
18165+2249 HU 319 AC 2000 3 191 2.7 9.10 13.60 A5 181627.03+224903.9

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