20406+2948 HO 137 AB (HD 197120)

 
 
20h 40m 36.26s +29 48' 19.6" P.A. 358.00 sep 0.8 mag 6.13,9.26 Sp A2V dist. 74.24 pc (242.17 l.y.)
 
 
Coord 2000 20406+2948 Discov num HO  137 Comp AB Coord arcsec 2000 20 40 36.26 +29 48 19.6
Date first 1885 Date last 2014 Obs 31
Pa first 279 Pa last 357.7 P.A. Now (θ) 357.7°
Sep first 1.2 Sep last 0.796 Sep. Now (ρ) 0.796"
Mag pri 6.13 Mag sec 9.26 delta mag (ΔM) 3.13 Spectral class A2V (white)
Pri motion ra +020 Sec motion ra
Pri motion dec +046 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20406+2948 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 88997 20 40 36 +29 48 20 GII 290 Aa,Ab 2014 1 43 0.1 6.90 6.90 0.00
Show HD 197120 88997 20 40 36 +29 48 20 HO 137 AB 2014 31 358 0.8 6.13 9.26 3.13 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197120 Constellation Cygnus SAO 88997 HIP 102033
Tycho2 2182-00750-1 HD 197120 HR 7917 GC 28816
ADS 14149 BD BD+29 4131 Distance 74.24 Distance ly 242.17