19572+4022 BU 1474 AB (HD 189178)

 
 
19h 57m 13.87s +40 22' 04.2" P.A. 316.00 sep 64.8 mag 5.44,9.31 Sp B5V dist. 340.14 pc (1109.54 l.y.)
 
 
Coord 2000 19572+4022 Discov num BU 1474 Comp AB Coord arcsec 2000 19 57 13.87 +40 22 04.2
Date first 1893 Date last 2015 Obs 18
Pa first 318 Pa last 315.5 P.A. Now (θ) 315.5°
Sep first 65.3 Sep last 64.755 Sep. Now (ρ) 64.755"
Mag pri 5.44 Mag sec 9.31 delta mag (ΔM) 3.87 Spectral class B5V (blue-white)
Pri motion ra +007 Sec motion ra -001
Pri motion dec +000 Sec motion dec -011
Notes N (See Notes)
rPM=1.231
This double is not physical.
 
 
19572+4022 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 189178 49011 19 57 14 +40 22 04 BU 1474 AB 2015 18 316 64.8 5.44 9.31 3.87 <===
Show 49011 19 57 14 +40 22 04 BU 1474 AC 2015 4 343 20.5 5.44 13.00 7.56
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189178 Constellation Cygnus SAO 49011 HIP 98194
Tycho2 3141-03693-1 Gaia DR2 2073537612700605696 HD 189178 HR 7628
GC 27649 DM BD+39 3966 BD BD+39 3968 FK5 3593
Distance 340.14 Distance ly 1109.54