20183+2539 WAL 131 AE

 
 
20h 18m 17.06s +25 38' 53.7" P.A. 151.00 sep 122.8 mag 6.96,8.13 Sp B2V dist. 543.48 pc (1772.83 l.y.)
 
 
Coord 2000 20183+2539 Discov num WAL 131 Comp AE Coord arcsec 2000 20 18 17.06 +25 38 53.7
Date first 1898 Date last 2015 Obs 22
Pa first 152 Pa last 151.2 P.A. Now (θ) 151.2°
Sep first 122.4 Sep last 122.826 Sep. Now (ρ) 122.826"
Mag pri 6.96 Mag sec 8.13 delta mag (ΔM) 1.17 Spectral class B2V (blue-white)
Pri motion ra +003 Sec motion ra +006
Pri motion dec +005 Sec motion dec -001
Notes N (See Notes)
rPM=1.103
This double is not physical.
 
 
20183+2539 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 88490 20 18 17 +25 38 54 BU 985 AB 2009 8 153 5.9 6.99 12.80 5.81
Show HD 193220 88490 20 18 17 +25 38 54 HJ 1499 AC 2015 22 355 21.5 6.96 10.87 3.91
Show 88490 20 18 17 +25 38 54 WAL 131 AE 2015 22 151 122.8 6.96 8.13 1.17 <===
Show 20 18 17 +25 39 15 BU 985 CD 2015 13 67 8.6 10.87 13.60 2.73
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula SAO 88490 HIP 100093 Tycho2 2159-00108-1
Gaia DR2 1835372605164694144 HD 193239 BD BD+25 4190 Distance 543.48
Distance ly 1772.83