16224+3348 H N 81 AC

 
 
16h 22m 21.42s +33° 47' 56.9" P.A. 241.00 sep 68.1 mag 5.39,12.62 Sp M2IIIab dist. 196.46 pc (640.85 l.y.)
 
 
Coord 2000 16224+3348 Discov num H N  81 Comp AC Coord arcsec 2000 16 22 21.42 +33 47 56.9
Date first 1879 Date last 2002 Obs 7
Pa first 237 Pa last 241.2 P.A. Now (θ) 241.2°
Sep first 66.4 Sep last 68.051 Sep. Now (ρ) 68.051"
Mag pri 5.39 Mag sec 12.62 delta mag (ΔM) 7.23 Spectral class M2IIIab (red)
Pri motion ra +005 Sec motion ra -028
Pri motion dec -038 Sec motion dec -005
Notes N (See Notes)
rPM=1.218
This double is not physical.
 
 
16224+3348 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Nu1 CrB 65257 16 22 21 +33 47 57 STFA 29 AB 2011 37 164 354.7 5.39 5.58 0.19
Show 65257 16 22 21 +33 47 57 H N 81 AC 2002 7 241 68.1 5.39 12.62 7.23 <===
Show 65257 16 22 21 +33 47 57 STFA 29 AD 2020 7 153 277.2 5.39 11.53 6.14
Show 65259 16 22 29 +33 42 12 H 6 18 BD 2020 12 16 98.7 5.58 11.53 5.95
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV7676 CrB Constellation Corona Borealis SAO 65257 HIP 80197
Tycho2 2583-01993-1 Gaia DR2 1328712355665456000 HD 147749 HR 6107
GC 22026 BD BD+34 2773 Bayer Nu 1 Coronae Borealis Bayer name Nu1 CrB
Flamsteed 20 Coronae Borealis Flamsteed name 20 CrB Distance 196.46 Distance ly 640.85
Bayer greek ν1 CrB