17231+2545 HO 415 (HD 157581)

 
 
17h 23m 07.69s +25° 45' 11.1" P.A. 345.00 sep 0.9 mag 8.83,9.67 Sp F5
 
 
Coord 2000 17231+2545 Discov num HO  415 Comp Coord arcsec 2000 17 23 07.69 +25 45 11.1
Date first 1891 Date last 2015 Obs 50
Pa first 334 Pa last 344.6 P.A. Now (θ) 344.6°
Sep first 0.8 Sep last 0.85 Sep. Now (ρ) 0.85"
Mag pri 8.83 Mag sec 9.67 delta mag (ΔM) 0.84 Spectral class F5 (yellow-white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec +016 Sec motion dec +016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157581 Constellation Hercules Tycho2 2078-00223-1 Gaia DR2 4570903384104572160
HD 157581 ADS 10514