21402+4316 STTA 221 AC

 
 
21h 40m 11.11s +43° 16' 25.8" P.A. 253.00 sep 65.0 mag 5.28,10.26 Sp M1IIIab dist. 123.76 pc (403.71 l.y.)
 
 
Coord 2000 21402+4316 Discov num STTA221 Comp AC Coord arcsec 2000 21 40 11.11 +43 16 25.8
Date first 1828 Date last 2020 Obs 25
Pa first 254 Pa last 252.7 P.A. Now (θ) 252.7°
Sep first 45.0 Sep last 65.034 Sep. Now (ρ) 65.034"
Mag pri 5.28 Mag sec 10.26 delta mag (ΔM) 4.98 Spectral class M1IIIab (red)
Pri motion ra +062 Sec motion ra -004
Pri motion dec +016 Sec motion dec -015
Notes N L S (See Notes, Linear solution, Parallax indidates non-physical)
rPM=1.139
This double is not physical.
 
 
21402+4316 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 75 Cyg 51167 21 40 11 +43 16 26 AC 20 AB 2016 20 329 2.7 5.28 10.10 4.82
Show 51167 21 40 11 +43 16 26 STTA 221 AC 2020 25 253 65.0 5.28 10.26 4.98 <===
Show 51167 21 40 11 +43 16 26 AC 20 AD 2015 2 290 2.0 5.28
Show 51167 21 40 11 +43 16 26 AC 20 AE 2015 2 280 2.2 5.28
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV13834 Cyg Constellation Cygnus SAO 51167 HIP 106999
Tycho2 3196-02204-1 Gaia DR2 1966944805097205120 HD 206330 HR 8284
GC 30338 ADS 15208 BD BD+42 4177 Flamsteed 75 Cygni
Flamsteed name 75 Cyg FK5 3730 Distance 123.76 Distance ly 403.71