15232+3017 KIR 4 AB,E

 
 
15h 23m 12.23s +30° 17' 17.7" P.A. 137.00 sep 193.6 mag 4.98,17.00 Sp G0V+L8 dist. 17.86 pc (58.26 l.y.)
 
 
Coord 2000 15232+3017 Discov num KIR   4 Comp AB,E Coord arcsec 2000 15 23 12.23 +30 17 17.7
Date first 2000 Date last 2010 Obs 2
Pa first 136 Pa last 136.5 P.A. Now (θ) 136.5°
Sep first 193.5 Sep last 193.56 Sep. Now (ρ) 193.56"
Mag pri 4.98 Mag sec 17.00 delta mag (ΔM) 12.02 Spectral class G0V+L8 (yellow/very deep red)
Pri motion ra +117 Sec motion ra +133
Pri motion dec -171 Sec motion dec -183
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.088 (< 0.3, Physical double)
This double is physical.
 
 
15232+3017 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 64673 15 23 12 +30 17 18 STF 1937 AB 2020 1102 287 0.4 5.64 5.95 0.31 Y
Show 64673 15 23 12 +30 17 18 STF 1937 AB,C 2016 10 358 75.1 4.98 13.35 8.37
Show Eta CrB 64673 15 23 12 +30 17 18 STF 1937 AB,D 2016 10 40 217.9 4.98 11.00 6.02
Show 64673 15 23 12 +30 17 18 KIR 4 AB,E 2010 2 137 193.6 4.98 17.00 12.02 <===
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV7054 CrB Constellation Corona Borealis SAO 64673 HIP 75312
Tycho2 2563-01366-1 HD 137107 HR 5727 GC 20696
ADS 9617 GL Gl 584A BD BD+30 2653 Bayer Eta Coronae Borealis
Bayer name Eta CrB Distance 17.86 Distance ly 58.26 Bayer greek η CrB