21118+8121 LOC 571 AC

 
 
21h 11m 49.90s +81° 20' 39.8" P.A. 199.00 sep 2.1 mag 16.80,18.60
 
 
Coord 2000 21118+8121 Discov num LOC 571 Comp AC Coord arcsec 2000 21 11 49.90 +81 20 39.8
Date first 2015 Date last 2015 Obs 1
Pa first 199 Pa last 199 P.A. Now (θ) 199°
Sep first 2.1 Sep last 2.065 Sep. Now (ρ) 2.065"
Mag pri 16.80 Mag sec 18.60 delta mag (ΔM) 1.8 Spectral class
Pri motion ra +047 Sec motion ra +046
Pri motion dec +067 Sec motion dec +067
Notes V (Proper motion indicates physical)
rPM=0.012 (< 0.3, Physical double)
This double is physical.
 
 
21118+8121 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 11 50 +81 20 40 LOC 571 AB 2015 6 87 12.7 16.80 18.30 1.50
Show 21 11 50 +81 20 40 LOC 571 AC 2015 1 199 2.1 16.80 18.60 1.80 <===
Show 21 11 56 +81 20 40 LOC 571 BC 2015 6 259 13.6 18.30 18.60 0.30
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus