20450+1244 D 32 CD

 
 
20h 45m 03.03s +12° 42' 08.4" P.A. 15.00 sep 60.8 mag 8.17,11.06 Sp F dist. 152.21 pc (496.51 l.y.)
 
 
Coord 2000 20450+1244 Discov num D    32 Comp CD Coord arcsec 2000 20 45 03.03 +12 42 08.4
Date first 1899 Date last 2016 Obs 12
Pa first 18 Pa last 14.9 P.A. Now (θ) 14.9°
Sep first 62.9 Sep last 60.79 Sep. Now (ρ) 60.79"
Mag pri 8.17 Mag sec 11.06 delta mag (ΔM) 2.89 Spectral class F (yellow-white)
Pri motion ra +028 Sec motion ra +009
Pri motion dec +005 Sec motion dec +005
Notes N (See Notes)
rPM=0.668
Nature of this double is uncertain.
 
 
20450+1244 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197683 106446 20 45 00 +12 43 36 BU 64 AB 2016 165 174 0.7 9.14 8.56 0.58 Y
Show 106447 20 45 00 +12 43 36 STTA 209 AC 2016 35 155 97.2 9.14 8.17 0.97
Show 20 45 00 +12 43 36 BU 64 AD 2016 18 117 64.3 9.14 11.06 1.92
Show 106447 20 45 03 +12 42 08 D 32 CD 2016 12 15 60.8 8.17 11.06 2.89 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus SAO 106447 HIP 102400 Tycho2 1097-01669-1
Gaia DR2 1755189001703743616 HD 197704 BD BD+12 4453 Distance 152.21
Distance ly 496.51