18598-1927 DYL 25 AB

18h 59m 45.80s -19° 26' 57.7" P.A. 166.00 sep 7.3 mag 12.90,12.00

Coord 2000 18598-1927 Discov num DYL  25 Comp AB Coord arcsec 2000 18 59 45.80 -19 26 57.7
Date first 1984 Date last 2015 Obs 5
Pa first 166 Pa last 166.2 P.A. Now (θ) 166.2°
Sep first 7.4 Sep last 7.262 Sep. Now (ρ) 7.262"
Mag pri 12.90 Mag sec 12.00 delta mag (ΔM) 0.9 Spectral class
Pri motion ra +007 Sec motion ra +014
Pri motion dec +030 Sec motion dec -021
Notes




rPM=1.671

This double is not physical.



18598-1927 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 59 46 -19 26 58 DYL 25 AB 2015 5 166 7.3 12.90 12.00 0.90 <===
Show 18 59 46 -19 27 05 DYL 25 BC 2015 5 197 4.6 12.00 15.00 3.00
Show 18 59 46 -19 27 05 DYL 25 BD 2015 5 268 5.8 12.00 15.10 3.10


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Sagittarius Gaia DR2 4085668767985467136