20138+1450 BKO 537 BC

 
 
20h 13m 46.98s +14 50' 13.2" P.A. 106.00 sep 4.7 mag 13.70,14.40
 
 
Coord 2000 20138+1450 Discov num BKO 537 Comp BC Coord arcsec 2000 20 13 46.98 +14 50 13.2
Date first 1998 Date last 2015 Obs 4
Pa first 107 Pa last 105.8 P.A. Now (θ) 105.8°
Sep first 4.6 Sep last 4.654 Sep. Now (ρ) 4.654"
Mag pri 13.70 Mag sec 14.40 delta mag (ΔM) 0.7 Spectral class
Pri motion ra -011 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes N R (See Notes, Red magnitudes)
Nature of this double is uncertain.
 
 
20138+1450 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 13 48 +14 50 33 CHE 218 AB 2015 7 221 26.5 12.17 13.70 1.53
Show 20 13 47 +14 50 13 BKO 537 BC 2015 4 106 4.7 13.70 14.40 0.70 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Gaia DR2 1808266168893117824