20253+4355 A 291 AC

 
 
20h 25m 16.06s +43 55' 17.0" P.A. 284.00 sep 18.1 mag 9.85,11.19 Sp F0
 
 
Coord 2000 20253+4355 Discov num A   291 Comp AC Coord arcsec 2000 20 25 16.06 +43 55 17.0
Date first 1892 Date last 2015 Obs 14
Pa first 285 Pa last 284.1 P.A. Now (θ) 284.1°
Sep first 17.9 Sep last 18.069 Sep. Now (ρ) 18.069"
Mag pri 9.85 Mag sec 11.19 delta mag (ΔM) 1.34 Spectral class F0 (yellow-white)
Pri motion ra +005 Sec motion ra +006
Pri motion dec +008 Sec motion dec +005
Notes
rPM=0.335
Nature of this double is uncertain.
 
 
20253+4355 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 25 16 +43 55 17 A 291 AB 2016 12 148 0.8 9.85 10.42 0.57
Show 20 25 16 +43 55 17 A 291 AC 2015 14 284 18.1 9.85 11.19 1.34 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3164-00785-1 Gaia DR2 2069280161923805824