20423+4549 WAL 132 BC

 
 
20h 42m 19.66s +45° 49' 53.1" P.A. 4.00 sep 40.1 mag 10.58,10.23
 
 
Coord 2000 20423+4549 Discov num WAL 132 Comp BC Coord arcsec 2000 20 42 19.66 +45 49 53.1
Date first 1892 Date last 2015 Obs 15
Pa first 4 Pa last 3.8 P.A. Now (θ) 3.8°
Sep first 38.8 Sep last 40.055 Sep. Now (ρ) 40.055"
Mag pri 10.58 Mag sec 10.23 delta mag (ΔM) 0.35 Spectral class
Pri motion ra -001 Sec motion ra -004
Pri motion dec -009 Sec motion dec +001
Notes N (See Notes)
rPM=1.153
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 3574-02074-1 Gaia DR2 2070448912720759040