19583-5154 DUN 229 AB (HD 188557)

 
 
19h 58m 15.29s -51 53' 43.4" P.A. 242.00 sep 80.9 mag 7.65,8.23 Sp A9IV+F6V dist. 87.72 pc (286.14 l.y.)
 
 
Coord 2000 19583-5154 Discov num DUN 229 Comp AB Coord arcsec 2000 19 58 15.29 -51 53 43.4
Date first 1826 Date last 2016 Obs 22
Pa first 247 Pa last 242.1 P.A. Now (θ) 242.1°
Sep first 84.1 Sep last 80.87 Sep. Now (ρ) 80.87"
Mag pri 7.65 Mag sec 8.23 delta mag (ΔM) 0.58 Spectral class A9IV+F6V (white/yellow-white)
Pri motion ra +046 Sec motion ra +046
Pri motion dec -044 Sec motion dec -043
Notes N T W (See Notes, Parallax indicates physical, )
rPM=0.016 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188557 Constellation Telescopium SAO 246357 HIP 98294
Tycho2 8403-02136-1 HD 188557 GC 27623 CP CP-5211589
Distance 87.72 Distance ly 286.14