20457-3736 HJ 5216 (HD 197557)

 
 
20h 45m 41.07s -37° 36' 33.6" P.A. 22.00 sep 15.6 mag 10.10,10.55 Sp F7IV+F8IV
 
 
Coord 2000 20457-3736 Discov num HJ 5216 Comp Coord arcsec 2000 20 45 41.07 -37 36 33.6
Date first 1836 Date last 2016 Obs 17
Pa first 18 Pa last 21.6 P.A. Now (θ) 21.6°
Sep first 12.0 Sep last 15.622 Sep. Now (ρ) 15.622"
Mag pri 10.10 Mag sec 10.55 delta mag (ΔM) 0.45 Spectral class F7IV+F8IV (yellow-white/yellow-white)
Pri motion ra -010 Sec motion ra -012
Pri motion dec +010 Sec motion dec +010
Notes T (Parallax indicates physical)
rPM=0.128 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197557 Constellation Microscopium Tycho2 7963-01588-1 Gaia DR2 6778218847115665792
HD 197557 DM CP-38 8098