21006+5432 BU 1498 AC

 
 
21h 00m 35.35s +54° 31' 45.8" P.A. 336.00 sep 54.3 mag 9.62,12.90 Sp K7
 
 
Coord 2000 21006+5432 Discov num BU 1498 Comp AC Coord arcsec 2000 21 00 35.35 +54 31 45.8
Date first 1902 Date last 2015 Obs 7
Pa first 336 Pa last 336.3 P.A. Now (θ) 336.3°
Sep first 53.7 Sep last 54.257 Sep. Now (ρ) 54.257"
Mag pri 9.62 Mag sec 12.90 delta mag (ΔM) 3.28 Spectral class K7 (yellow-orange)
Pri motion ra +000 Sec motion ra -001
Pri motion dec -006 Sec motion dec -004
Notes N (See Notes)
rPM=0.373
Nature of this double is uncertain.
 
 
21006+5432 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 235422 33060 21 00 35 +54 31 46 HJ 1606 AB 2016 15 184 18.7 9.62 11.70 2.08
Show 33060 21 00 35 +54 31 46 BU 1498 AC 2015 7 336 54.3 9.62 12.90 3.28 <===
Show 33060 21 00 35 +54 31 46 HJ 1605 AD 2015 10 219 207.5 9.62 11.38 1.76
Show 21 00 20 +54 29 04 HJ 1605 DE 2018 9 118 21.3 11.38 12.60 1.22
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 33060 Tycho2 3956-01522-1 Gaia DR2 2188752446860760192
HD 235422