21258+3640 FYM 124 CD

21h 25m 51.40s +36° 39' 54.6" P.A. 84.00 sep 19.4 mag 10.22,13.90 Sp F6

Coord 2000 21258+3640 Discov num FYM 124 Comp CD Coord arcsec 2000 21 25 51.40 +36 39 54.6
Date first 2000 Date last 2015 Obs 7
Pa first 84 Pa last 83.8 P.A. Now (θ) 83.8°
Sep first 19.8 Sep last 19.41 Sep. Now (ρ) 19.41"
Mag pri 10.22 Mag sec 13.90 delta mag (ΔM) 3.68 Spectral class F6 (yellow-white)
Pri motion ra -001 Sec motion ra -012
Pri motion dec -016 Sec motion dec -013
Notes N (See Notes)




rPM=0.644

Nature of this double is uncertain.



21258+3640 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 69 Cyg 71329 21 25 47 +36 40 02 S 790 AB 2015 13 28 34.5 5.89 11.71 5.82
Show 71329 21 25 47 +36 40 02 S 790 AC 2015 25 99 53.1 5.89 10.22 4.33
Show 21 25 51 +36 39 55 FYM 124 CD 2015 7 84 19.4 10.22 13.90 3.68 <===


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus Gaia DR2 1963720070629288960