16577+2358 SKF 2730

 
 
16h 57m 43.32s +23° 57' 40.8" P.A. 48.00 sep 1.3 mag 19.50,20.90 Sp DA+M4
 
 
Coord 2000 16577+2358 Discov num SKF2730 Comp Coord arcsec 2000 16 57 43.32 +23 57 40.8
Date first 2003 Date last 2015 Obs 2
Pa first 52 Pa last 47.6 P.A. Now (θ) 47.6°
Sep first 1.1 Sep last 1.268 Sep. Now (ρ) 1.268"
Mag pri 19.50 Mag sec 20.90 delta mag (ΔM) 1.4 Spectral class DA+M4 (white dwarf/red)
Pri motion ra +020 Sec motion ra
Pri motion dec -033 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4572362161154058880