18554+2324 POU3591AB

 
 
18h 55m 23.68s +23 24' 00.1" P.A. 46 sep 24.3 mag 9.17,10.11 Sp G0
 
 
Coord 2000
18554+2324
Discov num
POU3591
Comp
AB
Coord arcsec 2000
18 55 23.68 +23 24 00.1
Date first
1894
Date last
2013
Obs
19
Pa first
46
Pa last
46
P.A. Now (θ)
46°
Sep first
23.9
Sep last
24.3
Sep. Now (ρ)
24.3"
Mag pri
9.17
Mag sec
10.11
delta mag (ΔM)
0.94
Spectral class
G0 (yellow)
Pri motion ra
+015
Sec motion ra
+018
Pri motion dec
+031
Sec motion dec
+031
Notes
rPM=0.084 (< 0.3, Physical double)
This double is physical.
 
 
18554+2324 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18554+2324 COU 511 Aa,Ab 1970 2013 17 190 0.8 9.73 9.88 0.15
Show 18554+2324 POU3591 AB 1894 2013 19 46 24.3 9.17 10.11 0.94 <===
Show 18554+2324 LBU 10 AC 1992 2001 3 214 61.8 9.17 11.80 2.63
Show 18554+2324 LBU 10 AD 1894 2001 5 57 123.5 9.17 11.30 2.13
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
45.7
Precise sep
24.26
Constellation
Hercules
last precise pa
45.7
last precise sep
24.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18554+2324 POU3591 AB 2000 15 45 24.5 8.90 10.11 G0 D 185523.68+232400.1
18554+2324 POU3591 AB 2010 16 46 24.2 8.90 10.11 G0 D 185523.68+232400.1
18554+2324 POU3591 AB 2013 19 46 24.3 9.17 10.11 G0 185523.68+232400.1

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