15100+2807 A 690 AB

 
 
15h 09m 58.47s +28° 06' 59.5" P.A. 12.00 sep 0.9 mag 10.17,10.62 Sp F8
 
 
Coord 2000 15100+2807 Discov num A   690 Comp AB Coord arcsec 2000 15 09 58.47 +28 06 59.5
Date first 1904 Date last 2016 Obs 31
Pa first 2 Pa last 12.3 P.A. Now (θ) 12.3°
Sep first 0.8 Sep last 0.893 Sep. Now (ρ) 0.893"
Mag pri 10.17 Mag sec 10.62 delta mag (ΔM) 0.45 Spectral class F8 (yellow-white)
Pri motion ra -020 Sec motion ra -020
Pri motion dec -018 Sec motion dec -018
Notes N (See Notes)
Nature of this double is uncertain.
 
 
15100+2807 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 15 09 58 +28 06 60 GII 216 Aa,Ab 2014 1 114 0.1 10.80 10.80 0.00
Show 15 09 58 +28 06 60 A 690 AB 2016 31 12 0.9 10.17 10.62 0.45 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Bootes Tycho2 2030-01052-1