16205-2131 LAF 133 AC

16h 20m 28.13s -21° 30' 32.4" P.A. 222.00 sep 4.4 mag 7.50,17.22 Sp A7III/IV

Coord 2000 16205-2131 Discov num LAF 133 Comp AC Coord arcsec 2000 16 20 28.13 -21 30 32.4
Date first 2008 Date last 2008 Obs 1
Pa first 222 Pa last 221.8 P.A. Now (θ) 221.8°
Sep first 4.4 Sep last 4.429 Sep. Now (ρ) 4.429"
Mag pri 7.50 Mag sec 17.22 delta mag (ΔM) 9.72 Spectral class A7III/IV (white)
Pri motion ra -010 Sec motion ra
Pri motion dec -025 Sec motion dec
Notes U K (Proper motion indicates non-physical, K-band or other infrared magnitudes)


Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

This double is not physical.



16205-2131 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 16 20 28 -21 30 32 LAF 133 AB 2018 2 71 0.3 7.50 9.86 2.36
Show 16 20 28 -21 30 32 LAF 133 AC 2008 1 222 4.4 7.50 17.22 9.72 <===
Show 16 20 28 -21 30 32 LAF 133 AD 2015 2 38 10.7 7.50 17.19 9.69


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Scorpius Gaia DR2 6244280229549582080