02309+5311 HJ 2139 AD

 
 
02h 30m 52.93s +53° 10' 19.0" P.A. 203.00 sep 59.3 mag 8.85,11.93 Sp F5
 
 
Coord 2000 02309+5311 Discov num HJ 2139 Comp AD Coord arcsec 2000 02 30 52.93 +53 10 19.0
Date first 1931 Date last 2018 Obs 8
Pa first 202 Pa last 202.8 P.A. Now (θ) 202.8°
Sep first 56.2 Sep last 59.3 Sep. Now (ρ) 59.3"
Mag pri 8.85 Mag sec 11.93 delta mag (ΔM) 3.08 Spectral class F5 (yellow-white)
Pri motion ra +016 Sec motion ra +027
Pri motion dec +008 Sec motion dec -013
Notes
rPM=0.791
Nature of this double is uncertain.
 
 
02309+5311 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 15434 02 30 53 +53 10 19 HJ 2139 AB 2020 33 298 3.9 8.85 9.15 0.30
Show 02 30 53 +53 10 19 HJ 2139 AC 2018 14 8 18.2 8.85 12.40 3.55
Show 02 30 53 +53 10 19 HJ 2139 AD 2018 8 203 59.3 8.85 11.93 3.08 <===
Show 02 30 53 +53 10 20 HJ 2139 BC 2016 12 20 17.1 9.15 12.40 3.25
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus Tycho2 3687-00778-1 Gaia DR2 452479791098218880 HD 15434