19450+4508 DAL 37 AF

 
 
19h 44m 58.44s +45 07' 50.5" P.A. 66.00 sep 147.5 mag 2.89,12.80 Sp B9.5IV dist. 50.58 pc (164.99 l.y.)
 
 
Coord 2000 19450+4508 Discov num DAL  37 Comp AF Coord arcsec 2000 19 44 58.44 +45 07 50.5
Date first 1998 Date last 2007 Obs 3
Pa first 66 Pa last 65.9 P.A. Now (θ) 65.9°
Sep first 147.7 Sep last 147.48 Sep. Now (ρ) 147.48"
Mag pri 2.89 Mag sec 12.80 delta mag (ΔM) 9.91 Spectral class B9.5IV (blue-white)
Pri motion ra +043 Sec motion ra -001
Pri motion dec +048 Sec motion dec -009
Notes N (See Notes)
rPM=1.117
This double is not physical.
 
 
19450+4508 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Fawaris 48796 19 44 58 +45 07 50 STF 2579 AB 2020 488 213 2.7 2.89 6.27 3.38 Y
Show 48796 19 44 58 +45 07 50 STF 2579 AC 2017 8 67 62.5 2.89 12.00 9.11
Show 48796 19 44 58 +45 07 50 DAL 37 AD 2007 3 246 42.0 2.89 14.80 11.91
Show 48796 19 44 58 +45 07 50 DAL 37 AF 2007 3 66 147.5 2.89 12.80 9.91 <===
Show 19 44 55 +45 07 35 DAL 37 DE 2015 4 251 3.5 14.80 15.20 0.40
Show 19 45 11 +45 08 51 DAL 37 FG 2016 3 312 3.1 13.00 13.80 0.80
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Fawaris Var name 12380/1 Constellation Cygnus SAO 48796
HIP 97165 Tycho2 3557-02486-1 Gaia DR2 2079784487999414656 HD 186882
HR 7528 GC 27347 ADS 12880 BD BD+44 3234
Bayer Delta Cygni Bayer name Del Cyg Flamsteed 18 Cygni Flamsteed name 18 Cyg
Distance 50.58 Distance ly 164.99 Bayer greek δ Cyg