20045+1638 BPM 1972 AB

 
 
20h 04m 27.13s +16° 38' 10.9" P.A. 206.00 sep 37.6 mag 15.08,15.74
 
 
Coord 2000 20045+1638 Discov num BPM1972 Comp AB Coord arcsec 2000 20 04 27.13 +16 38 10.9
Date first 1994 Date last 2015 Obs 8
Pa first 206 Pa last 206.1 P.A. Now (θ) 206.1°
Sep first 37.6 Sep last 37.601 Sep. Now (ρ) 37.601"
Mag pri 15.08 Mag sec 15.74 delta mag (ΔM) 0.66 Spectral class
Pri motion ra -013 Sec motion ra -009
Pri motion dec -003 Sec motion dec -013
Notes N U (See Notes, Proper motion indicates non-physical)
rPM=0.681
This double is not physical.
 
 
20045+1638 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 04 27 +16 38 11 BPM 1972 AB 2015 8 206 37.6 15.08 15.74 0.66 <===
Show 20 04 27 +16 38 11 BPM 1973 AC 2015 8 330 98.3 15.08 15.39 0.31
Show 20 04 27 +16 38 11 BPM 1974 AD 2015 8 297 102.2 15.08 15.45 0.37
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Gaia DR2 1808171031090574976