21390+5729 GUI 36 CD

 
 
21h 38m 58.88s +57° 29' 14.6" P.A. 324.00 sep 30.6 mag 7.48,7.53 Sp B1.5V+B1V
 
 
Coord 2000 21390+5729 Discov num GUI  36 Comp CD Coord arcsec 2000 21 38 58.88 +57 29 14.6
Date first 1783 Date last 2018 Obs 81
Pa first 329 Pa last 324.4 P.A. Now (θ) 324.4°
Sep first 28.6 Sep last 30.62 Sep. Now (ρ) 30.62"
Mag pri 7.48 Mag sec 7.53 delta mag (ΔM) 0.05 Spectral class B1.5V+B1V (blue-white/blue-white)
Pri motion ra -006 Sec motion ra -001
Pri motion dec +004 Sec motion dec -002
Notes N (See Notes)
rPM=1.083
This double is not physical.
 
 
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 Tycho2 3975-01823-1 Gaia DR2 2178396937123252736