20493+3923 DAM 26 BD

 
 
20h 49m 21.19s +39° 23' 07.9" P.A. 53.00 sep 9.5 mag 11.60,12.40 Sp K0
 
 
Coord 2000 20493+3923 Discov num DAM  26 Comp BD Coord arcsec 2000 20 49 21.19 +39 23 07.9
Date first 1998 Date last 2015 Obs 3
Pa first 54 Pa last 53.1 P.A. Now (θ) 53.1°
Sep first 10.0 Sep last 9.473 Sep. Now (ρ) 9.473"
Mag pri 11.60 Mag sec 12.40 delta mag (ΔM) 0.8 Spectral class K0 (yellow-orange)
Pri motion ra +028 Sec motion ra +007
Pri motion dec +008 Sec motion dec +003
Notes N (See Notes)
rPM=0.741
Nature of this double is uncertain.
 
 
20493+3923 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 49 19 +39 23 11 SEI 1263 AB 2015 10 98 23.6 11.48 11.56 0.08
Show 20 49 21 +39 23 08 ALI 952 BC 2002 3 50 4.9 11.60 12.50 0.90
Show 20 49 21 +39 23 08 DAM 26 BD 2015 3 53 9.5 11.60 12.40 0.80 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3170-00010-1 Gaia DR2 2064955134158045696