21424+1750 HU 373 AB (HD 206556)

 
 
21h 42m 25.22s +17° 50' 09.5" P.A. 300.00 sep 0.9 mag 8.90,10.44 Sp K0
 
 
Coord 2000 21424+1750 Discov num HU  373 Comp AB Coord arcsec 2000 21 42 25.22 +17 50 09.5
Date first 1877 Date last 2011 Obs 17
Pa first 328 Pa last 300.4 P.A. Now (θ) 300.4°
Sep first 1.2 Sep last 0.89 Sep. Now (ρ) 0.89"
Mag pri 8.90 Mag sec 10.44 delta mag (ΔM) 1.54 Spectral class K0 (yellow-orange)
Pri motion ra -024 Sec motion ra -024
Pri motion dec -006 Sec motion dec -006
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21424+1750 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 206556 107339 21 42 25 +17 50 10 HU 373 AB 2011 17 300 0.9 8.90 10.44 1.54 <===
Show 107339 21 42 25 +17 50 10 BU 691 AC 2015 9 249 84.3 8.90 12.53 3.63
Show 107339 21 42 25 +17 50 10 BU 691 AE 2015 12 80 118.8 8.90 12.30 3.40
Show 21 42 20 +17 49 39 FOX 9057 CD 2015 8 238 14.7 11.70 12.30 0.60
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206556 Constellation Pegasus SAO 107339 Tycho2 1669-00828-1
Gaia DR2 1774144371710713856 HD 206556 ADS 15240