18284+4444 HDS 2616 (HD 170646)

 
 
18h 28m 25.85s +44° 44' 22.2" P.A. 62.00 sep 0.1 mag 9.24,10.33 Sp F0 dist. 193.42 pc (630.94 l.y.)
 
 
Coord 2000 18284+4444 Discov num HDS2616 Comp Coord arcsec 2000 18 28 25.85 +44 44 22.2
Date first 1991 Date last 2006 Obs 2
Pa first 78 Pa last 61.5 P.A. Now (θ) 61.5°
Sep first 0.1 Sep last 0.117 Sep. Now (ρ) 0.117"
Mag pri 9.24 Mag sec 10.33 delta mag (ΔM) 1.09 Spectral class F0 (yellow-white)
Pri motion ra -013 Sec motion ra
Pri motion dec +011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170646 Constellation Lyra SAO 47522 HIP 90540
Tycho2 3116-00254-1 Gaia DR2 2118116590072903040 HD 170646 BD BD+44 2908
Distance 193.42 Distance ly 630.94