15530+6007 HU 913 AB (HD 142738)

 
 
15h 52m 59.93s +60° 06' 51.9" P.A. 309.00 sep 0.4 mag 9.63,9.70 Sp G5
 
 
Coord 2000 15530+6007 Discov num HU  913 Comp AB Coord arcsec 2000 15 52 59.93 +60 06 51.9
Date first 1905 Date last 2017 Obs 21
Pa first 286 Pa last 309.2 P.A. Now (θ) 309.2°
Sep first 1.5 Sep last 0.432 Sep. Now (ρ) 0.432"
Mag pri 9.63 Mag sec 9.70 delta mag (ΔM) 0.07 Spectral class G5 (yellow)
Pri motion ra +012 Sec motion ra +012
Pri motion dec +058 Sec motion dec +058
Notes
Nature of this double is uncertain.
 
 
15530+6007 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 142738 16881 15 52 60 +60 06 52 HU 913 AB 2017 21 309 0.4 9.63 9.70 0.07 <===
Show 16881 15 52 60 +60 06 52 HU 913 AC 2015 13 50 142.2 9.63 11.36 1.73
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 142738 Constellation Draco SAO 16881 Tycho2 4182-01293-1
Gaia DR2 1626348912057359232 HD 142738