20375+1436 STF 2704 AB,D (Bet Del)

 
 
20h 37m 32.87s +14° 35' 42.7" P.A. 317.00 sep 47.8 mag 3.68,11.40 Sp F5IV dist. 30.93 pc (100.89 l.y.)
 
 
Coord 2000 20375+1436 Discov num STF2704 Comp AB,D Coord arcsec 2000 20 37 32.87 +14 35 42.7
Date first 1828 Date last 2014 Obs 60
Pa first 343 Pa last 316.6 P.A. Now (θ) 316.6°
Sep first 32.5 Sep last 47.831 Sep. Now (ρ) 47.831"
Mag pri 3.68 Mag sec 11.40 delta mag (ΔM) 7.72 Spectral class F5IV (yellow-white)
Pri motion ra +118 Sec motion ra -014
Pri motion dec -048 Sec motion dec -016
Notes N S (See Notes, Parallax indidates non-physical)
rPM=1.066
This double is not physical.
 
 
20375+1436 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Rotanev 106316 20 37 33 +14 35 43 BU 151 AB 2018 734 218 0.2 4.11 5.02 0.91 Y
Show 106316 20 37 33 +14 35 43 HJ 5545 AB,C 2011 32 139 12.1 3.68 13.50 9.82
Show Bet Del 106316 20 37 33 +14 35 43 STF 2704 AB,D 2014 60 317 47.8 3.68 11.40 7.72 <===
Show 106316 20 37 33 +14 35 43 LBZ 1 AB,E 2014 9 271 112.6 3.68 11.63 7.95
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Bet Del Constellation Delphinus SAO 106316 HIP 101769
Tycho2 1100-01720-1 Gaia DR2 1810448909926616448 HD 196524 HR 7882
GC 28709 ADS 14073 BD BD+14 4369 Bayer Beta Delphini
Bayer name Bet Del Flamsteed 6 Delphini Flamsteed name 6 Del Distance 30.93
Distance ly 100.89 Bayer greek β Del