18442+2231 COU 209AC

 
 
18h 44m 11.63s +22 30' 51.3" P.A. 205 sep 40.6 mag 10.50,12.00 Sp F8
 
 
Coord 2000
18442+2231
Discov num
COU 209
Comp
AC
Coord arcsec 2000
18 44 11.63 +22 30 51.3
Date first
1894
Date last
2007
Obs
6
Pa first
205
Pa last
205
P.A. Now (θ)
205°
Sep first
37.5
Sep last
40.6
Sep. Now (ρ)
40.6"
Mag pri
10.50
Mag sec
12.00
delta mag (ΔM)
1.5
Spectral class
F8 (yellow-white)
Pri motion ra
+006
Sec motion ra
-010
Pri motion dec
+003
Sec motion dec
-007
Notes
rPM=1.546
This double is not physical.
 
 
18442+2231 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18442+2231 COU 209 AB 1967 2001 3 38 2.1 10.50 11.20 0.70
Show 18442+2231 COU 209 AC 1894 2007 6 205 40.6 10.50 12.00 1.50 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
204.7
Precise sep
40.56
Constellation
Hercules
Tycho2
2108-00161-1
HD
342922
last precise pa
204.7
last precise sep
40.56
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18442+2231 COU 209 AC 2007 5 205 40.6 10.50 12.00 F8 D 184411.63+223051.3

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