20102+1723 BPM 2041 BC

 
 
20h 10m 15.92s +17° 23' 00.1" P.A. 175.00 sep 111.1 mag 14.95,15.74
 
 
Coord 2000 20102+1723 Discov num BPM2041 Comp BC Coord arcsec 2000 20 10 15.92 +17 23 00.1
Date first 1991 Date last 2015 Obs 8
Pa first 175 Pa last 175.4 P.A. Now (θ) 175.4°
Sep first 111.3 Sep last 111.08 Sep. Now (ρ) 111.08"
Mag pri 14.95 Mag sec 15.74 delta mag (ΔM) 0.79 Spectral class
Pri motion ra +005 Sec motion ra -012
Pri motion dec -008 Sec motion dec -006
Notes N V (See Notes, Proper motion indicates physical)
rPM=1.276
This double is physical.
 
 
20102+1723 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 10 11 +17 22 46 BPM 2040 AB 2015 8 78 72.5 14.76 14.95 0.19
Show 20 10 16 +17 23 00 BPM 2041 BC 2015 8 175 111.1 14.95 15.74 0.79 <===
Show 20 10 17 +17 21 09 BPM 2042 CD 2015 8 104 103.5 15.74 15.57 0.17
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagitta Gaia DR2 1809759825387231104