18309+3417 STF2335AC

 
 
18H 30M 54.06S +34 16' 30.9" P.A. 153 SEP 25.3 MAG 9.33,11.00 SP F9V
 
 
Coord 2000
18309+3417
Discov num
STF2335
Comp
AC
Coord arcsec 2000
18 30 54.06 +34 16 30.9
Date first
1833
Date last
2008
Obs
18
Pa first
151
Pa last
153
P.A. Now (θ)
153°
Sep first
23.5
Sep last
25.3
Sep. Now (ρ)
25.3"
Mag pri
9.33
Mag sec
11.00
delta mag (ΔM)
1.67
Spectral class
F9V (yellow-white)
Pri motion ra
+006
Sec motion ra
+003
Pri motion dec
+002
Sec motion dec
-009
Notes
U (Proper motion indicates non-physical)
This double is not physical.
 
 
18309+3417 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 67051 18309+3417 COU1150 Aa,Ab 1974 2016 12 283 0.4 9.80 10.10 0.30
Show 67051 18309+3417 STF2335 AB 1833 2008 17 318 12.0 9.33 10.70 1.37
Show 67051 18309+3417 STF2335 AC 1833 2008 18 153 25.3 9.33 11.00 1.67 <===
Show 67051 18309+3417 ABH 100 AD 1988 2002 3 271 35.1 9.33 13.50 4.17
Show 67051 18309+3417 ABH 100 AE 1944 2002 4 20 42.7 9.33 13.58 4.25
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
SAO
67051
Tycho2
2632-00514-1
last precise pa
152.6
last precise sep
25.27