15589+2147 STF 1990 BC

 
 
15h 58m 56.87s +21° 47' 54.8" P.A. 26.00 sep 4.0 mag 9.25,9.29 Sp A2 dist. 162.34 pc (529.55 l.y.)
 
 
Coord 2000 15589+2147 Discov num STF1990 Comp BC Coord arcsec 2000 15 58 56.87 +21 47 54.8
Date first 1824 Date last 2019 Obs 50
Pa first 28 Pa last 25.9 P.A. Now (θ) 25.9°
Sep first 5.1 Sep last 3.971 Sep. Now (ρ) 3.971"
Mag pri 9.25 Mag sec 9.29 delta mag (ΔM) 0.04 Spectral class A2 (white)
Pri motion ra -017 Sec motion ra +003
Pri motion dec -013 Sec motion dec +030
Notes N (See Notes)
rPM=1.573
This double is not physical.
 
 
15589+2147 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 143314 84115 15 58 53 +21 47 28 STF 1990 AB 2017 36 61 56.6 8.63 9.25 0.62
Show 84115 15 58 53 +21 47 28 STF 1990 AC 2017 29 60 58.5 8.63 9.29 0.66
Show 84115 15 58 53 +21 47 28 WAL 69 AD 2013 4 262 15.0 8.63 12.43 3.80
Show 84119 15 58 57 +21 47 55 STF 1990 BC 2019 50 26 4.0 9.25 9.29 0.04 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens SAO 84119 HIP 78272 Tycho2 1502-01785-1
Gaia DR2 1206148209672477056 HD 143315 GC 21477 BD BD+22 2906
Distance 162.34 Distance ly 529.55