20257+4004 TOR 25 AB (HD 194720)

 
 
20h 25m 44.56s +40 03' 59.0" P.A. 191.00 sep 4.7 mag 8.73,10.50 Sp A0
 
 
Coord 2000 20257+4004 Discov num TOR  25 Comp AB Coord arcsec 2000 20 25 44.56 +40 03 59.0
Date first 1977 Date last 2015 Obs 9
Pa first 208 Pa last 190.8 P.A. Now (θ) 190.8°
Sep first 10.6 Sep last 4.669 Sep. Now (ρ) 4.669"
Mag pri 8.73 Mag sec 10.50 delta mag (ΔM) 1.77 Spectral class A0 (white)
Pri motion ra +000 Sec motion ra -003
Pri motion dec -011 Sec motion dec -015
Notes N (See Notes)
rPM=0.327
Nature of this double is uncertain.
 
 
20257+4004 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 194720 20 25 45 +40 03 59 TOR 25 AB 2015 9 191 4.7 8.73 10.50 1.77 <===
Show 20 25 45 +40 03 59 POP 199 AC 2015 8 245 59.6 8.73 11.94 3.21
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194720 Constellation Cygnus Tycho2 3156-00461-1 Gaia DR2 2067290187612516608
HD 194720