20375+3134 FYM 138 AH

20h 37m 31.77s +31° 34' 21.1" P.A. 89.00 sep 111.0 mag 6.29,14.00 Sp B8IIIn dist. 261.78 pc (853.93 l.y.)

Coord 2000 20375+3134 Discov num FYM 138 Comp AH Coord arcsec 2000 20 37 31.77 +31 34 21.1
Date first 1998 Date last 2012 Obs 3
Pa first 81 Pa last 88.8 P.A. Now (θ) 88.8°
Sep first 112.2 Sep last 111 Sep. Now (ρ) 111"
Mag pri 6.29 Mag sec 14.00 delta mag (ΔM) 7.71 Spectral class B8IIIn (blue-white)
Pri motion ra +009 Sec motion ra +001
Pri motion dec -000 Sec motion dec -004
Notes N (See Notes)




rPM=0.994

This double is not physical.



20375+3134 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 48 Cyg 70287 20 37 32 +31 34 21 STFA 53 AB 2012 35 177 182.7 6.29 6.54 0.25
Show 70287 20 37 32 +31 34 21 STFA 53 AC 2015 4 0 71.3 6.29 13.52 7.23
Show 70287 20 37 32 +31 34 21 FYM 138 AH 2012 3 89 111.0 6.29 14.00 7.71 <===
Show 70289 20 37 33 +31 31 19 FYM 138 BD 2015 4 35 41.0 6.54 14.50 7.96
Show 70289 20 37 33 +31 31 19 FYM 138 BE 2015 4 29 58.4 6.54 14.40 7.86
Show 70289 20 37 33 +31 31 19 FYM 138 BF 2015 4 81 38.8 6.54 15.20 8.66
Show 70289 20 37 33 +31 31 19 FYM 138 BG 2015 4 83 62.5 6.54 15.00 8.46


Octuple system
8 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Cygnus SAO 70287 HIP 101765 Tycho2 2686-01751-1
Gaia DR2 1862667259759305216 HD 196606 HR 7885 GC 28713
BD BD+31 4159 Flamsteed 48 Cygni Flamsteed name 48 Cyg Distance 261.78
Distance ly 853.93