18309+3840 STF 2338 AC

 
 
18h 30m 54.75s +38° 39' 33.8" P.A. 206.00 sep 76.4 mag 9.30,9.62 Sp K2
 
 
Coord 2000 18309+3840 Discov num STF2338 Comp AC Coord arcsec 2000 18 30 54.75 +38 39 33.8
Date first 1863 Date last 2017 Obs 24
Pa first 209 Pa last 206.2 P.A. Now (θ) 206.2°
Sep first 77.4 Sep last 76.4 Sep. Now (ρ) 76.4"
Mag pri 9.30 Mag sec 9.62 delta mag (ΔM) 0.32 Spectral class K2 (yellow-orange)
Pri motion ra -011 Sec motion ra +002
Pri motion dec -007 Sec motion dec -007
Notes N (See Notes)
rPM=0.997
This double is not physical.
 
 
18309+3840 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 30 55 +38 39 34 STF 2338 AB 2017 26 301 12.1 9.30 11.20 1.90
Show 18 30 55 +38 39 34 STF 2338 AC 2017 24 206 76.4 9.30 9.62 0.32 <===
Show 18 30 55 +38 39 34 STF 2338 AE 2017 13 154 51.7 9.30 13.00 3.70
Show 18 30 52 +38 38 25 STF 2338 CD 2017 6 243 13.0 9.62 14.80 5.18
Show 18 30 52 +38 38 25 STF 2338 CE 2017 11 69 60.7 9.62 13.00 3.38
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name KP Lyr Constellation Lyra Tycho2 3105-00726-1 Gaia DR2 2108423433003279360