18475+1537 HU  584Aa,Ab

 
 
18H 47M 28.61S +15 36' 59.7" P.A. 5 SEP 0.3 MAG 10.03,10.02 SP F5
 
 
Coord 2000
18475+1537
Discov num
HU  584
Comp
Aa,Ab
Coord arcsec 2000
18 47 28.61 +15 36 59.7
Date first
1902
Date last
2008
Obs
20
Pa first
31
Pa last
5
P.A. Now (θ)
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
10.03
Mag sec
10.02
delta mag (ΔM)
0.01
Spectral class
F5 (yellow-white)
Pri motion ra
+003
Sec motion ra
+001
Pri motion dec
-017
Sec motion dec
-019
Notes
Nature of this double is uncertain.
 
 
18475+1537 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18475+1537 HU 584 Aa,Ab 1902 2008 20 5 0.3 10.03 10.02 0.01 <===
Show 18475+1537 GII 20 AB 2009 2009 1 103 8.1 9.33 12.80 3.47
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
4.7
last precise sep
0.345