17439+4323 BWL 47 AB

 
 
17h 43m 55.96s +43° 22' 41.0" P.A. 290.00 sep 2.8 mag 6.22,19.50 Sp M2.5
 
 
Coord 2000 17439+4323 Discov num BWL  47 Comp AB Coord arcsec 2000 17 43 55.96 +43 22 41.0
Date first 2011 Date last 2012 Obs 2
Pa first 280 Pa last 289.5 P.A. Now (θ) 289.5°
Sep first 2.6 Sep last 2.812 Sep. Now (ρ) 2.812"
Mag pri 6.22 Mag sec 19.50 delta mag (ΔM) 13.28 Spectral class M2.5 (red)
Pri motion ra +010 Sec motion ra
Pri motion dec -603 Sec motion dec
Notes U K (Proper motion indicates non-physical, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is not physical.
 
 
17439+4323 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 43 56 +43 22 41 BWL 47 AB 2012 2 290 2.8 6.22 19.50 13.28 <===
Show 17 43 56 +43 22 41 BWL 47 AC 2012 1 314 9.2 6.22 18.30 12.08
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules