20457+5040 STT 412 AB (HD 198039)

 
 
20h 45m 43.08s +50 40' 25.9" P.A. 279.00 sep 26.0 mag 7.10,11.70 Sp F3IV dist. 526.32 pc (1716.86 l.y.)
 
 
Coord 2000 20457+5040 Discov num STT 412 Comp AB Coord arcsec 2000 20 45 43.08 +50 40 25.9
Date first 1899 Date last 2015 Obs 12
Pa first 282 Pa last 279 P.A. Now (θ) 279°
Sep first 25.6 Sep last 25.998 Sep. Now (ρ) 25.998"
Mag pri 7.10 Mag sec 11.70 delta mag (ΔM) 4.6 Spectral class F3IV (yellow-white)
Pri motion ra +005 Sec motion ra +003
Pri motion dec +008 Sec motion dec +000
Notes
rPM=0.874
This double is not physical.
 
 
20457+5040 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 198039 32865 20 45 43 +50 40 26 STT 412 AB 2015 12 279 26.0 7.10 11.70 4.60 <===
Show 32865 20 45 43 +50 40 26 STT 412 AC 2015 10 268 26.2 7.10 11.80 4.70
Show 20 45 40 +50 40 30 STT 412 BC 2016 15 186 5.0 11.70 11.80 0.10
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 198039 Constellation Cygnus SAO 32865 HIP 102459
Tycho2 3586-00199-1 Gaia DR2 2168453744232477440 HD 198039 GC 28957
BD BD+50 3191 Distance 526.32 Distance ly 1716.86