02335+5732 HJ 2143 AB (HD 15690)

 
 
02h 33m 32.79s +57° 32' 14.8" P.A. 20.00 sep 23.5 mag 8.09,9.60 Sp B2Ib dist. 1492.54 pc (4868.67 l.y.)
 
 
Coord 2000 02335+5732 Discov num HJ 2143 Comp AB Coord arcsec 2000 02 33 32.79 +57 32 14.8
Date first 1831 Date last 2018 Obs 24
Pa first 20 Pa last 20.2 P.A. Now (θ) 20.2°
Sep first 15.0 Sep last 23.532 Sep. Now (ρ) 23.532"
Mag pri 8.09 Mag sec 9.60 delta mag (ΔM) 1.51 Spectral class B2Ib (blue-white)
Pri motion ra -002 Sec motion ra -001
Pri motion dec -002 Sec motion dec +000
Notes N (See Notes)
rPM=0.791
Nature of this double is uncertain.
 
 
02335+5732 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 15690 23426 02 33 33 +57 32 15 HJ 2143 AB 2018 24 20 23.5 8.09 9.60 1.51 <===
Show 23426 02 33 33 +57 32 15 DAL 7 AC 2015 8 303 19.7 8.09 13.70 5.61
Show 23426 02 33 33 +57 32 15 DAL 7 AD 2015 8 89 43.3 8.09 13.76 5.67
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 15690 Constellation Perseus SAO 23426 HIP 11898
Tycho2 3695-01145-1 Gaia DR2 458022429216424832 HD 15690 ADS 1937
DM BD+56 657 BD BD+56 656 Distance 1492.54 Distance ly 4868.67