20442+0648 SKF2552AC

 
 
20H 44M 09.96S +06 48' 02.4" P.A. 31 SEP 23.1 MAG 9.80,17.60 SP G0
 
 
Coord 2000
20442+0648
Discov num
SKF2552
Comp
AC
Coord arcsec 2000
20 44 09.96 +06 48 02.4
Date first
1953
Date last
2013
Obs
6
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
22.9
Sep last
23.1
Sep. Now (ρ)
23.1"
Mag pri
9.80
Mag sec
17.60
delta mag (ΔM)
7.8
Spectral class
G0 (yellow)
Pri motion ra
+040
Sec motion ra
+034
Pri motion dec
+028
Sec motion dec
+028
Notes
V (Proper motion indicates physical)
rPM=0.123 (< 0.3, Physical double)
This double is physical.
 
 
20442+0648 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20442+0648 SKF2552 AB 1953 2013 7 60 17.6 9.80 17.00 7.20
Show 20442+0648 SKF2552 AC 1953 2013 6 31 23.1 9.80 17.60 7.80 <===
Show 20442+0648 SKF2552 BC 1953 2013 6 344 11.4 17.00 17.60 0.60
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Delphinus
Tycho2
0523-01965-1
last precise pa
31.1
last precise sep
23.08