20330-7119 I  1047CD

 
 
20H 33M 23.71S -71 18' 18.4" P.A. 55 SEP 22.8 MAG 9.29,12.40 SP F8
 
 
Coord 2000
20330-7119
Discov num
I  1047
Comp
CD
Coord arcsec 2000
20 33 23.71 -71 18 18.4
Date first
1910
Date last
2015
Obs
5
Pa first
90
Pa last
55
P.A. Now (θ)
55°
Sep first
22.0
Sep last
22.8
Sep. Now (ρ)
22.8"
Mag pri
9.29
Mag sec
12.40
delta mag (ΔM)
3.11
Spectral class
F8 (yellow-white)
Pri motion ra
+006
Sec motion ra
+038
Pri motion dec
+018
Sec motion dec
-018
Notes
rPM=1.146
This double is not physical.
 
 
20330-7119 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 257820 20330-7119 I 1047 AB 1910 2015 3 331 6.7 8.21 12.60 4.39
Show 257820 20330-7119 HJ 5544 AC 1836 2015 14 62 118.7 8.21 9.29 1.08
Show 20330-7119 I 1047 CD 1910 2015 5 55 22.8 9.29 12.40 3.11 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pavo
Tycho2
9316-00686-1
last precise pa
54.9
last precise sep
22.82