17387+1834 BUP 177 AB

 
 
17h 38m 41.82s +18° 33' 42.0" P.A. 266.00 sep 272.2 mag 9.64,11.35 Sp K5
 
 
Coord 2000 17387+1834 Discov num BUP 177 Comp AB Coord arcsec 2000 17 38 41.82 +18 33 42.0
Date first 1895 Date last 2015 Obs 14
Pa first 265 Pa last 266.1 P.A. Now (θ) 266.1°
Sep first 267.3 Sep last 272.219 Sep. Now (ρ) 272.219"
Mag pri 9.64 Mag sec 11.35 delta mag (ΔM) 1.71 Spectral class K5 (yellow-orange)
Pri motion ra +056 Sec motion ra +010
Pri motion dec -102 Sec motion dec -024
Notes N (See Notes)
rPM=0.778
Nature of this double is uncertain.
 
 
17387+1834 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 38 42 +18 33 42 BUP 177 AB 2015 14 266 272.2 9.64 11.35 1.71 <===
Show 17 38 42 +18 33 42 BUP 177 AC 2005 13 269 374.3 9.64 9.79 0.15
Show 17 38 23 +18 33 22 BUP 177 BC 2015 18 270 104.9 11.35 9.79 1.56
Show 17 38 16 +18 33 25 OSO 82 CD 1994 2 202 9.9 9.77 18.05 8.28
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 1555-00337-1 Gaia DR2 4550759506450507648