18120+5110 AG 359 AB (HD 234580)

18h 11m 58.47s +51° 10' 09.3" P.A. 306.00 sep 23.3 mag 9.75,10.13 Sp G2V

Coord 2000 18120+5110 Discov num AG  359 Comp AB Coord arcsec 2000 18 11 58.47 +51 10 09.3
Date first 1901 Date last 2018 Obs 19
Pa first 307 Pa last 305.8 P.A. Now (θ) 305.8°
Sep first 23.2 Sep last 23.29 Sep. Now (ρ) 23.29"
Mag pri 9.75 Mag sec 10.13 delta mag (ΔM) 0.38 Spectral class G2V (yellow)
Pri motion ra +005 Sec motion ra +001
Pri motion dec +033 Sec motion dec +036
Notes T (Parallax indicates physical)




rPM=0.139 (< 0.3, Physical double)

This double is physical.



18120+5110 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 234580 30802 18 11 58 +51 10 09 AG 359 AB 2018 19 306 23.3 9.75 10.13 0.38 <===
Show 30802 18 11 58 +51 10 09 AG 359 AC 2018 13 333 10.4 9.75 11.84 2.09
Show 30802 18 11 58 +51 10 09 ABH 96 AD 2015 8 298 62.1 9.75 13.07 3.32
Show 30802 18 11 58 +51 10 09 ABH 96 AE 2015 8 8 77.1 9.75 14.31 4.56
Show 30802 18 11 58 +51 10 09 ABH 96 AF 2015 7 16 47.4 9.75 14.73 4.98
Show 18 11 56 +51 10 23 AG 359 BC 2018 13 107 14.7 10.13 11.84 1.71


Sextuple system
6 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Name HD 234580 Constellation Draco SAO 30802 Tycho2 3537-00123-1
Gaia DR2 2124767432829454848 HD 234580