20173+3420 SEI 1064 (HD 228739)

 
 
20h 17m 16.15s +34 20' 08.0" P.A. 254.00 sep 23.9 mag 10.16,10.67 Sp A0
 
 
Coord 2000 20173+3420 Discov num SEI1064 Comp Coord arcsec 2000 20 17 16.15 +34 20 08.0
Date first 1893 Date last 2015 Obs 17
Pa first 253 Pa last 253.9 P.A. Now (θ) 253.9°
Sep first 23.8 Sep last 23.868 Sep. Now (ρ) 23.868"
Mag pri 10.16 Mag sec 10.67 delta mag (ΔM) 0.51 Spectral class A0 (white)
Pri motion ra -001 Sec motion ra -002
Pri motion dec -006 Sec motion dec -004
Notes N (See Notes)
rPM=0.368
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228739 Constellation Cygnus Tycho2 2680-01487-1 Gaia DR2 2055557745716598912
HD 228739