19531+5430 STI 2471 CD

 
 
19h 53m 06.35s +54° 31' 41.8" P.A. 299.00 sep 10.5 mag 11.40,11.80
 
 
Coord 2000 19531+5430 Discov num STI2471 Comp CD Coord arcsec 2000 19 53 06.35 +54 31 41.8
Date first 1903 Date last 2016 Obs 11
Pa first 299 Pa last 298.8 P.A. Now (θ) 298.8°
Sep first 10.5 Sep last 10.493 Sep. Now (ρ) 10.493"
Mag pri 11.40 Mag sec 11.80 delta mag (ΔM) 0.4 Spectral class
Pri motion ra +001 Sec motion ra -001
Pri motion dec +003 Sec motion dec +002
Notes N (See Notes)
rPM=0.707
Nature of this double is uncertain.
 
 
19531+5430 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 19 53 06 +54 29 26 STI 2471 AB 2016 12 113 11.7 11.80 12.40 0.60
Show 19 53 06 +54 29 26 STI 2471 AB,CD 2015 9 358 141.8 11.40 11.80 0.40
Show 19 53 06 +54 31 42 STI 2471 CD 2016 11 299 10.5 11.40 11.80 0.40 <===
Quadruple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2137758433293706880