20423+4549 BKO 158 EH

 
 
20h 42m 24.92s +45° 48' 44.2" P.A. 340.00 sep 51.6 mag 10.55,12.60
 
 
Coord 2000 20423+4549 Discov num BKO 158 Comp EH Coord arcsec 2000 20 42 24.92 +45 48 44.2
Date first 1998 Date last 2015 Obs 7
Pa first 340 Pa last 339.8 P.A. Now (θ) 339.8°
Sep first 51.7 Sep last 51.644 Sep. Now (ρ) 51.644"
Mag pri 10.55 Mag sec 12.60 delta mag (ΔM) 2.05 Spectral class
Pri motion ra -001 Sec motion ra -006
Pri motion dec -002 Sec motion dec -001
Notes N (See Notes)
rPM=0.838
This double is not physical.
 
 
20423+4549 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197488 49960 20 42 20 +45 49 24 STT 411 AB 2015 50 349 31.8 7.66 10.58 2.92
Show 49960 20 42 20 +45 49 24 WAL 132 AC 2015 16 357 71.2 7.66 10.23 2.57
Show 49960 20 42 20 +45 49 24 BKO 158 AF 2015 11 143 41.0 7.66 12.20 4.54
Show 20 42 20 +45 49 53 WAL 132 BC 2015 15 4 40.1 10.58 10.23 0.35
Show 20 42 20 +45 49 53 CTT 15 BD 2015 13 178 86.6 10.58 10.60 0.02
Show 20 42 20 +45 49 53 CTT 15 BE 2015 12 141 87.9 10.58 10.55 0.03
Show 20 42 25 +45 48 44 BKO 158 EF 2015 9 281 24.9 10.55 12.20 1.65
Show 20 42 25 +45 48 44 BKO 158 EG 2015 7 221 28.7 10.55 14.00 3.45
Show 20 42 25 +45 48 44 BKO 158 EH 2015 7 340 51.6 10.55 12.60 2.05 <===
Show 20 42 25 +45 48 44 BKO 158 EI 2014 6 236 39.6 10.55 13.60 3.05
Ninefold system
9 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3574-03272-1 Gaia DR2 2070448637851252352