12048-6200 DUN 117 AC

12h 04m 46.98s -61° 59' 48.6" P.A. 19.00 sep 25.1 mag 7.40,10.02 Sp B8/9Iab/b dist. 83.61 pc (272.74 l.y.)

Coord 2000 12048-6200 Discov num DUN 117 Comp AC Coord arcsec 2000 12 04 46.98 -61 59 48.6
Date first 1837 Date last 2015 Obs 17
Pa first 20 Pa last 19.3 P.A. Now (θ) 19.3°
Sep first 26.6 Sep last 25.127 Sep. Now (ρ) 25.127"
Mag pri 7.40 Mag sec 10.02 delta mag (ΔM) 2.62 Spectral class B8/9Iab/b (blue-white)
Pri motion ra -006 Sec motion ra -006
Pri motion dec +000 Sec motion dec +002
Notes N (See Notes)




rPM=0.316

Nature of this double is uncertain.



12048-6200 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 104901 251721 12 04 47 -61 59 49 DUN 117 AB 2016 30 149 22.8 7.40 7.83 0.43
Show 251721 12 04 47 -61 59 49 DUN 117 AC 2015 17 19 25.1 7.40 10.02 2.62 <===
Show 251721 12 04 47 -61 59 49 ANT 9 AD 2014 1 116 3.2 7.40 13.00 5.60


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Crux SAO 251721 HIP 58909 Tycho2 8978-05686-1
Gaia DR2 6057680496326765184 HD 104901 CD CD-61 3325 CP CP-61 2934
Distance 83.61 Distance ly 272.74