12121-6614 SIN 71 AC

12h 12m 06.21s -66° 14' 04.8" P.A. 289.00 sep 50.5 mag 9.17,12.04 Sp B1/2III

Coord 2000 12121-6614 Discov num SIN  71 Comp AC Coord arcsec 2000 12 12 06.21 -66 14 04.8
Date first 1910 Date last 2015 Obs 5
Pa first 288 Pa last 288.6 P.A. Now (θ) 288.6°
Sep first 50.8 Sep last 50.509 Sep. Now (ρ) 50.509"
Mag pri 9.17 Mag sec 12.04 delta mag (ΔM) 2.87 Spectral class B1/2III (blue-white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec +015 Sec motion dec +005
Notes U (Proper motion indicates non-physical)




rPM=0.644

This double is not physical.



12121-6614 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 106017 12 12 06 -66 14 05 MLO 39 AB 2015 6 201 5.9 9.16 12.40 3.24
Show 12 12 06 -66 14 05 SIN 71 AC 2015 5 289 50.5 9.17 12.04 2.87 <===
Show 12 12 06 -66 14 05 SIN 71 AD 2015 4 278 69.7 9.17 13.77 4.60


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Musca Tycho2 8986-02194-1 Gaia DR2 5860737313622719488 HD 106017