20406+4900 ES 509

 
 
20h 40m 38.36s +48 59' 55.9" P.A. 285.00 sep 8.6 mag 9.58,12.80 Sp F8
 
 
Coord 2000 20406+4900 Discov num ES  509 Comp Coord arcsec 2000 20 40 38.36 +48 59 55.9
Date first 1907 Date last 2016 Obs 13
Pa first 284 Pa last 284.8 P.A. Now (θ) 284.8°
Sep first 7.2 Sep last 8.557 Sep. Now (ρ) 8.557"
Mag pri 9.58 Mag sec 12.80 delta mag (ΔM) 3.22 Spectral class F8 (yellow-white)
Pri motion ra -008 Sec motion ra
Pri motion dec -084 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3582-01744-1 Gaia DR2 2167885777755841408 ADS 14161