20496+1233 BU 1495 AC (15 Del)

 
 
20h 49m 37.76s +12° 32' 42.4" P.A. 86.00 sep 105.5 mag 6.04,11.07 Sp F5V dist. 30.62 pc (99.88 l.y.)
 
 
Coord 2000 20496+1233 Discov num BU 1495 Comp AC Coord arcsec 2000 20 49 37.76 +12 32 42.4
Date first 1886 Date last 2020 Obs 16
Pa first 81 Pa last 85.8 P.A. Now (θ) 85.8°
Sep first 109.4 Sep last 105.52 Sep. Now (ρ) 105.52"
Mag pri 6.04 Mag sec 11.07 delta mag (ΔM) 5.03 Spectral class F5V (yellow-white)
Pri motion ra +053 Sec motion ra +038
Pri motion dec +097 Sec motion dec +021
Notes N (See Notes)
rPM=0.701
Nature of this double is uncertain.
 
 
20496+1233 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 106536 20 49 38 +12 32 42 BU 1495 AB 2013 5 19 52.1 6.04 14.10 8.06
Show 15 Del 106536 20 49 38 +12 32 42 BU 1495 AC 2020 16 86 105.5 6.04 11.07 5.03 <===
Show 106536 20 49 38 +12 32 42 BU 1495 AD 2020 6 276 189.6 6.04 11.89 5.85
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 15 Del Constellation Delphinus SAO 106536 HIP 102805
Tycho2 1098-01301-1 Gaia DR2 1760960887992601984 HD 198390 HR 7973
GC 29037 BD BD+12 4472 Flamsteed 15 Delphini Flamsteed name 15 Del
Distance 30.62 Distance ly 99.88