21503+7410 UC 4578 AB

 
 
21h 50m 19.43s +74 09' 36.3" P.A. 187.00 sep 73.6 mag 15.05,15.36
 
 
Coord 2000 21503+7410 Discov num UC 4578 Comp AB Coord arcsec 2000 21 50 19.43 +74 09 36.3
Date first 1953 Date last 2015 Obs 9
Pa first 187 Pa last 186.9 P.A. Now (θ) 186.9°
Sep first 73.2 Sep last 73.613 Sep. Now (ρ) 73.613"
Mag pri 15.05 Mag sec 15.36 delta mag (ΔM) 0.31 Spectral class
Pri motion ra -010 Sec motion ra -003
Pri motion dec +097 Sec motion dec +107
Notes
rPM=0.114 (< 0.3, Physical double)
This double is physical.
 
 
21503+7410 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 50 19 +74 09 36 UC 4578 AB 2015 9 187 73.6 15.05 15.36 0.31 <===
Show 21 50 19 +74 09 36 UC 4578 AC 2015 6 120 51.1 15.05 16.60 1.55
Show 21 50 17 +74 08 23 UC 4578 BC 2015 6 48 71.7 15.36 16.60 1.24
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2279954943515203968