19311+4731 KOI 3987

 
 
19h 31m 03.68s +47° 30' 44.1" P.A. 273.00 sep 3.1 mag 12.10,18.40
 
 
Coord 2000 19311+4731 Discov num KOI3987 Comp Coord arcsec 2000 19 31 03.68 +47 30 44.1
Date first 2010 Date last 2010 Obs 1
Pa first 273 Pa last 272.5 P.A. Now (θ) 272.5°
Sep first 3.1 Sep last 3.12 Sep. Now (ρ) 3.12"
Mag pri 12.10 Mag sec 18.40 delta mag (ΔM) 6.3 Spectral class
Pri motion ra +005 Sec motion ra
Pri motion dec +002 Sec motion dec
Notes K (K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2128483541617751296