21091+3844 S 779 (HD 201561)

21h 09m 08.32s +38° 43' 45.1" P.A. 9.00 sep 110.5 mag 7.61,9.57 Sp K2 dist. 537.63 pc (1753.75 l.y.)

Coord 2000 21091+3844 Discov num S   779 Comp Coord arcsec 2000 21 09 08.32 +38 43 45.1
Date first 1824 Date last 2015 Obs 23
Pa first 11 Pa last 8.9 P.A. Now (θ) 8.9°
Sep first 114.8 Sep last 110.484 Sep. Now (ρ) 110.484"
Mag pri 7.61 Mag sec 9.57 delta mag (ΔM) 1.96 Spectral class K2 (yellow-orange)
Pri motion ra +002 Sec motion ra -015
Pri motion dec -003 Sec motion dec -021
Notes N (See Notes)




rPM=0.959

This double is not physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 201561 Constellation Cygnus SAO 70977 HIP 104417
Tycho2 3168-00056-1 Gaia DR2 1872008813630353024 HD 201561 BD BD+38 4362
Distance 537.63 Distance ly 1753.75