21390+5729 FLE 3 DE

 
 
21h 38m 56.73s +57° 29' 39.2" P.A. 351.00 sep 55.2 mag 7.53,13.19 Sp B1V dist. 1265.82 pc (4129.1 l.y.)
 
 
Coord 2000 21390+5729 Discov num FLE   3 Comp DE Coord arcsec 2000 21 38 56.73 +57 29 39.2
Date first 1874 Date last 2015 Obs 8
Pa first 354 Pa last 351.2 P.A. Now (θ) 351.2°
Sep first 50.0 Sep last 55.165 Sep. Now (ρ) 55.165"
Mag pri 7.53 Mag sec 13.19 delta mag (ΔM) 5.66 Spectral class B1V (blue-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21390+5729 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 33626 21 38 58 +57 29 20 MIU 2 Aa,Ab 2018 16 196 0.1 5.73
Show 33626 21 38 58 +57 29 20 BU 1143 AB 2018 9 319 1.8 5.73 13.30 7.57
Show HD 206267 33626 21 38 58 +57 29 20 STF 2816 AC 2018 111 120 11.8 5.73 7.48 1.75
Show 33626 21 38 58 +57 29 20 STF 2816 AD 2018 110 339 20.6 5.73 7.53 1.80
Show 21 38 59 +57 29 15 GUI 36 CD 2018 81 324 30.6 7.48 7.53 0.05
Show 21 38 57 +57 29 39 FLE 3 DE 2015 8 351 55.2 7.53 13.19 5.66 <===
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus HIP 106884 Tycho2 3975-01821-1 Gaia DR2 2178397693037492608
Distance 1265.82 Distance ly 4129.1