20136+4644 STFA 50 AC (Omi1 Cyg)

 
 
20h 13m 37.90s +46 44' 28.8" P.A. 173.00 sep 108.6 mag 3.93,6.97 Sp K2II dist. 271 pc (884 l.y.)
 
 
Coord 2000 20136+4644 Discov num STFA 50 Comp AC Coord arcsec 2000 20 13 37.90 +46 44 28.8
Date first 1779 Date last 2016 Obs 46
Pa first 183 Pa last 172.7 P.A. Now (θ) 172.7°
Sep first 100.0 Sep last 108.6 Sep. Now (ρ) 108.6"
Mag pri 3.93 Mag sec 6.97 delta mag (ΔM) 3.04 Spectral class K2II (yellow-orange)
Pri motion ra +005 Sec motion ra +003
Pri motion dec +001 Sec motion dec +003
Notes N (See Notes)
rPM=0.555
Nature of this double is uncertain.
 
 
20136+4644 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 49337 20 13 38 +46 44 29 WRH 33 Aa,Ab 1985 6 111 0.0 3.93 Y
Show 49337 20 13 38 +46 44 29 HJ 1495 AB 2015 12 328 36.5 3.93 13.40 9.47
Show Omi1 Cyg 49337 20 13 38 +46 44 29 STFA 50 AC 2016 46 173 108.6 3.93 6.97 3.04 <===
Show 49337 20 13 38 +46 44 29 STFA 50 AD 2016 38 322 336.7 3.93 4.83 0.90
Show 49337 20 13 38 +46 44 29 BU 1483 AF 2015 4 168 43.5 3.93 13.90 9.97
Show 49338 20 13 39 +46 42 43 BU 1483 CG 2003 3 95 37.9 6.97 14.20 7.23
Show 49338 20 13 39 +46 42 43 BU 1483 CH 2014 4 62 60.6 6.97 12.60 5.63
Show 49338 20 13 39 +46 42 43 BU 1483 CI 2015 7 136 60.2 6.97 12.26 5.29
Show 49332 20 13 18 +46 48 56 GUI 30 DC 2003 27 150 431.8 4.83 6.97 2.14
Show 49332 20 13 18 +46 48 56 ES 26 DE 2003 4 252 36.3 4.83 13.20 8.37
Show 20 13 39 +46 43 46 SMR 68 FJ 2021 4 218 4.0 13.90 15.10 1.20
Show 20 13 44 +46 43 11 SMR 68 HK 2021 9 263 9.0 11.74 10.87 0.87
12-fold system
11 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Omi1 Cyg Var name V695 Cyg Constellation Cygnus SAO 49337
HIP 99675 Tycho2 3559-02797-1 Gaia DR2 2082600852678091904 HD 192577
HR 7735 GC 28099 ADS 13554 BD BD+46 2882
Bayer Omicron 1 Cygni Bayer name Omi1 Cyg Flamsteed 31 Cygni Flamsteed name 31 Cyg
FK5 757 Distance 271 Distance ly 884 Bayer greek ο1 Cyg