20310+3656 AC 18 AB (44 Cyg)

 
 
20h 30m 59.23s +36 56' 09.1" P.A. 158.00 sep 2.2 mag 6.32,10.12 Sp F5Iab dist. 1041.67 pc (3397.93 l.y.)
 
 
Coord 2000 20310+3656 Discov num AC   18 Comp AB Coord arcsec 2000 20 30 59.23 +36 56 09.1
Date first 1859 Date last 1991 Obs 18
Pa first 155 Pa last 157.8 P.A. Now (θ) 157.8°
Sep first 2.5 Sep last 2.16 Sep. Now (ρ) 2.16"
Mag pri 6.32 Mag sec 10.12 delta mag (ΔM) 3.8 Spectral class F5Iab (yellow-white)
Pri motion ra -001 Sec motion ra +000
Pri motion dec -002 Sec motion dec -004
Notes N (See Notes)
rPM=0.559
Nature of this double is uncertain.
 
 
20310+3656 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 44 Cyg 70135 20 30 59 +36 56 09 AC 18 AB 1991 18 158 2.2 6.32 10.12 3.80 <===
Show 70135 20 30 59 +36 56 09 KUI 98 AC 2015 6 76 16.8 6.32 12.80 6.48
Show 70135 20 30 59 +36 56 09 AC 18 AD 2015 4 165 63.1 6.32 12.30 5.98
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 44 Cyg Constellation Cygnus SAO 70135 HIP 101214
Tycho2 2697-01634-1 Gaia DR2 2057760376738256384 HD 195593 HR 7847
GC 28551 ADS 13949 BD BD+36 4105 Flamsteed 44 Cygni
Flamsteed name 44 Cyg Distance 1041.67 Distance ly 3397.93