20471+1918 HO  141AB

 
 
20H 47M 05.66S +19 17' 47.5" P.A. 293 SEP 1.6 MAG 9.53,11.19 SP A3
 
 
Coord 2000
20471+1918
Discov num
HO  141
Comp
AB
Coord arcsec 2000
20 47 05.66 +19 17 47.5
Date first
1881
Date last
2013
Obs
10
Pa first
289
Pa last
293
P.A. Now (θ)
293°
Sep first
1.2
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
9.53
Mag sec
11.19
delta mag (ΔM)
1.66
Spectral class
A3 (white)
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
-007
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
20471+1918 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 106485 20471+1918 HO 141 AB 1881 2013 10 293 1.6 9.53 11.19 1.66 <===
Show 106485 20471+1918 HO 141 AC 1906 2001 3 65 22.8 9.53 13.80 4.27
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Delphinus
SAO
106485
Tycho2
1642-01821-1
last precise pa
293.1
last precise sep
1.62