19564+3750 A 1408 (HD 188991)

 
 
19h 56m 24.77s +37 49' 56.7" P.A. 183.00 sep 1.5 mag 9.33,12.30 Sp A
 
 
Coord 2000 19564+3750 Discov num A  1408 Comp Coord arcsec 2000 19 56 24.77 +37 49 56.7
Date first 1906 Date last 2017 Obs 7
Pa first 183 Pa last 182.6 P.A. Now (θ) 182.6°
Sep first 1.5 Sep last 1.46 Sep. Now (ρ) 1.46"
Mag pri 9.33 Mag sec 12.30 delta mag (ΔM) 2.97 Spectral class A (white)
Pri motion ra +008 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188991 Constellation Cygnus Tycho2 3137-00491-1 Gaia DR2 2072297187477533952
HD 188991 ADS 13151