20446+1635 BPM 2250 BC

 
 
20h 44m 42.78s +16° 34' 33.6" P.A. 332.00 sep 117.2 mag 15.56,15.41
 
 
Coord 2000 20446+1635 Discov num BPM2250 Comp BC Coord arcsec 2000 20 44 42.78 +16 34 33.6
Date first 1988 Date last 2015 Obs 7
Pa first 332 Pa last 331.9 P.A. Now (θ) 331.9°
Sep first 117.1 Sep last 117.163 Sep. Now (ρ) 117.163"
Mag pri 15.56 Mag sec 15.41 delta mag (ΔM) 0.15 Spectral class
Pri motion ra -010 Sec motion ra -009
Pri motion dec -004 Sec motion dec -004
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.093 (< 0.3, Physical double)
This double is physical.
 
 
20446+1635 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 44 35 +16 34 44 BPM 2248 AB 2015 7 95 107.8 15.20 15.56 0.36
Show 20 44 35 +16 34 44 BPM 2249 AC 2015 7 29 107.0 15.20 15.41 0.21
Show 20 44 43 +16 34 34 BPM 2250 BC 2015 7 332 117.2 15.56 15.41 0.15 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1811079136248531328