19579-0904 HDO 155 AC

19h 57m 53.70s -09° 03' 30.3" P.A. 119.00 sep 115.1 mag 7.77,8.70 Sp K2 dist. 247.52 pc (807.41 l.y.)

Coord 2000 19579-0904 Discov num HDO 155 Comp AC Coord arcsec 2000 19 57 53.70 -09 03 30.3
Date first 1868 Date last 2015 Obs 20
Pa first 113 Pa last 119.3 P.A. Now (θ) 119.3°
Sep first 108.6 Sep last 115.052 Sep. Now (ρ) 115.052"
Mag pri 7.77 Mag sec 8.70 delta mag (ΔM) 0.93 Spectral class K2 (yellow-orange)
Pri motion ra -004 Sec motion ra +002
Pri motion dec -014 Sec motion dec +025
Notes




rPM=1.573

This double is not physical.



19579-0904 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 188938 143951 19 57 54 -09 03 30 BU 1475 AB 2015 19 113 10.4 7.77 9.47 1.70
Show 143951 19 57 54 -09 03 30 HDO 155 AC 2015 20 119 115.1 7.77 8.70 0.93 <===
Show 143953 19 58 00 -09 04 27 BU 1475 CD 2015 9 163 4.9 8.70 11.10 2.40


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Aquila SAO 143951 HIP 98246 Tycho2 5738-01042-1
Gaia DR2 4192181964040123264 HD 188938 BD BD-09 5303 Distance 247.52
Distance ly 807.41