20339+3515 BU 1490 AC (47 Cyg)

 
 
20h 33m 54.19s +35 15' 03.1" P.A. 210.00 sep 115.1 mag 4.82,11.87 Sp K2Ib+B3V dist. 847.46 pc (2764.41 l.y.)
 
 
Coord 2000 20339+3515 Discov num BU 1490 Comp AC Coord arcsec 2000 20 33 54.19 +35 15 03.1
Date first 1880 Date last 2013 Obs 12
Pa first 190 Pa last 210.2 P.A. Now (θ) 210.2°
Sep first 117.6 Sep last 115.1 Sep. Now (ρ) 115.1"
Mag pri 4.82 Mag sec 11.87 delta mag (ΔM) 7.05 Spectral class K2Ib+B3V (yellow-orange/blue-white)
Pri motion ra +002 Sec motion ra -022
Pri motion dec -005 Sec motion dec -035
Notes N (See Notes)
rPM=0.929
This double is not physical.
 
 
20339+3515 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 70203 20 33 54 +35 15 03 WRH 34 AB 1998 27 278 0.3 4.84 7.30 2.46
Show 47 Cyg 70203 20 33 54 +35 15 03 BU 1490 AC 2013 12 210 115.1 4.82 11.87 7.05 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 47 Cyg Constellation Cygnus SAO 70203 HIP 101474
Tycho2 2694-02168-1 Gaia DR2 2056616231818264064 HD 196093 HR 7866
GC 28630 BD BD+34 4079 Flamsteed 47 Cygni Flamsteed name 47 Cyg
Distance 847.46 Distance ly 2764.41