19557+4024 HJ 604 (HD 188891)

 
 
19h 55m 44.76s +40 23' 30.2" P.A. 93.00 sep 70.6 mag 7.35,9.33 Sp B1V dist. 6250 pc (20387.5 l.y.)
 
 
Coord 2000 19557+4024 Discov num HJ  604 Comp Coord arcsec 2000 19 55 44.76 +40 23 30.2
Date first 1893 Date last 2015 Obs 20
Pa first 94 Pa last 92.6 P.A. Now (θ) 92.6°
Sep first 70.5 Sep last 70.612 Sep. Now (ρ) 70.612"
Mag pri 7.35 Mag sec 9.33 delta mag (ΔM) 1.98 Spectral class B1V (blue-white)
Pri motion ra -003 Sec motion ra -002
Pri motion dec -007 Sec motion dec -002
Notes N (See Notes)
rPM=0.67
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188891 Constellation Cygnus SAO 48983 HIP 98061
Tycho2 3141-03158-1 Gaia DR2 2073593412917417600 HD 188891 BD BD+40 3948
Distance 6250 Distance ly 20387.5