18027+5552 ES 79 AB

18h 02m 39.77s +55° 52' 04.6" P.A. 56.00 sep 6.3 mag 10.72,12.90 Sp F5

Coord 2000 18027+5552 Discov num ES   79 Comp AB Coord arcsec 2000 18 02 39.77 +55 52 04.6
Date first 1901 Date last 2019 Obs 17
Pa first 81 Pa last 55.8 P.A. Now (θ) 55.8°
Sep first 5.6 Sep last 6.26 Sep. Now (ρ) 6.26"
Mag pri 10.72 Mag sec 12.90 delta mag (ΔM) 2.18 Spectral class F5 (yellow-white)
Pri motion ra -006 Sec motion ra -020
Pri motion dec -005 Sec motion dec +020
Notes




rPM=1.013

This double is not physical.



18027+5552 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 02 40 +55 52 05 ES 79 AB 2019 17 56 6.3 10.72 12.90 2.18 <===
Show HD 238800 18 02 40 +55 52 05 ES 79 AC 2016 24 93 24.6 10.72 10.86 0.14


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Draco Tycho2 3907-00123-1 Gaia DR2 2150271773267075328 HD 238800