20003+2955 BU 1258 (HD 189690)

 
 
20h 00m 15.54s +29 55' 14.3" P.A. 143.00 sep 1.4 mag 7.47,10.90 Sp A0V dist. 213.22 pc (695.52 l.y.)
 
 
Coord 2000 20003+2955 Discov num BU 1258 Comp Coord arcsec 2000 20 00 15.54 +29 55 14.3
Date first 1878 Date last 2015 Obs 30
Pa first 160 Pa last 142.5 P.A. Now (θ) 142.5°
Sep first 1.5 Sep last 1.417 Sep. Now (ρ) 1.417"
Mag pri 7.47 Mag sec 10.90 delta mag (ΔM) 3.43 Spectral class A0V (white)
Pri motion ra +004 Sec motion ra +007
Pri motion dec -004 Sec motion dec -006
Notes
rPM=0.391
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189690 Constellation Cygnus SAO 88049 HIP 98460
Tycho2 2153-00589-1 Gaia DR2 2030219083639905536 HD 189690 GC 27730
BD BD+29 3838 Distance 213.22 Distance ly 695.52