20183+2002 HJ 912 AB

20h 18m 17.00s +20° 01' 42.9" P.A. 78.00 sep 5.1 mag 10.65,10.53

Coord 2000 20183+2002 Discov num HJ  912 Comp AB Coord arcsec 2000 20 18 17.00 +20 01 42.9
Date first 1827 Date last 2015 Obs 18
Pa first 85 Pa last 77.9 P.A. Now (θ) 77.9°
Sep first 2.0 Sep last 5.131 Sep. Now (ρ) 5.131"
Mag pri 10.65 Mag sec 10.53 delta mag (ΔM) 0.12 Spectral class
Pri motion ra +001 Sec motion ra +009
Pri motion dec -002 Sec motion dec -001
Notes




rPM=0.89

This double is not physical.



20183+2002 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 18 17 +20 01 43 HJ 912 AB 2015 18 78 5.1 10.65 10.53 0.12 <===
Show 105942 20 18 17 +20 01 43 HJ 912 AC 2015 14 170 89.6 10.65 9.02 1.63


Triple system
3 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Sagitta Tycho2 1639-00598-1 Gaia DR2 1816588136189590656