21492+4702 COU 2317 AC

 
 
21h 49m 19.35s +47° 02' 03.7" P.A. 141.00 sep 21.2 mag 12.00,11.60
 
 
Coord 2000 21492+4702 Discov num COU2317 Comp AC Coord arcsec 2000 21 49 19.35 +47 02 03.7
Date first 1895 Date last 2018 Obs 12
Pa first 147 Pa last 141.3 P.A. Now (θ) 141.3°
Sep first 20.5 Sep last 21.23 Sep. Now (ρ) 21.23"
Mag pri 12.00 Mag sec 11.60 delta mag (ΔM) 0.4 Spectral class
Pri motion ra -018 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21492+4702 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 49 19 +47 02 04 COU 2317 AB 2014 2 111 0.3 12.00 12.30 0.30
Show 21 49 19 +47 02 04 COU 2317 AC 2018 12 141 21.2 12.00 11.60 0.40 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3608-01345-1 Gaia DR2 1974712369406098432