20169+1506 CHE 268AC

 
 
20H 16M 56.66S +15 05' 34.6" P.A. 337 SEP 21.6 MAG 12.20,12.49 SP F4V
 
 
Coord 2000
20169+1506
Discov num
CHE 268
Comp
AC
Coord arcsec 2000
20 16 56.66 +15 05 34.6
Date first
1910
Date last
2008
Obs
4
Pa first
341
Pa last
337
P.A. Now (θ)
337°
Sep first
22.4
Sep last
21.6
Sep. Now (ρ)
21.6"
Mag pri
12.20
Mag sec
12.49
delta mag (ΔM)
0.29
Spectral class
F4V (yellow-white)
Pri motion ra
+016
Sec motion ra
-010
Pri motion dec
+004
Sec motion dec
-014
Notes
U (Proper motion indicates non-physical)
rPM=1.838
This double is not physical.
 
 
20169+1506 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20169+1506 CHE 268 AB 1910 2008 6 213 10.1 12.20 12.30 0.10
Show 20169+1506 CHE 268 AC 1910 2008 4 337 21.6 12.20 12.49 0.29 <===
Show 20169+1506 ABH 136 AD 1987 2008 5 282 39.8 12.20 13.86 1.66
Show 20169+1506 ABH 136 AE 1987 2002 4 231 73.4 12.20 15.80 3.60
Show 20169+1506 ABH 136 AF 1987 2001 3 217 52.3 12.20 14.80 2.60
Show 20169+1506 ABH 136 AG 1987 2002 4 213 50.3 12.20 14.70 2.50
Show 20169+1506 ABH 136 AH 1987 2002 4 190 55.0 12.20 14.50 2.30
Show 20169+1506 ABH 136 AI 1987 2002 4 181 67.4 12.20 15.40 3.20
Show 20169+1506 ABH 136 AJ 1987 2008 5 56 93.7 12.20 15.30 3.10
Show 20169+1506 ABH 136 AK 1987 2008 5 64 103.7 12.20 15.80 3.60
Show 20169+1506 ABH 136 AL 1987 2008 5 63 126.3 12.20 15.80 3.60
Show 20169+1506 CHE 268 BC 1987 2001 4 354 28.3 12.30 12.49 0.19
12-fold system
12 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Delphinus
last precise pa
337.2
last precise sep
21.63