16123-2825 HJ 4839 AB (12 Sco)

 
 
16h 12m 16.05s -28° 25' 01.9" P.A. 69.00 sep 3.8 mag 5.80,8.13 Sp B9Vv dist. 93.02 pc (303.43 l.y.)
 
 
Coord 2000 16123-2825 Discov num HJ 4839 Comp AB Coord arcsec 2000 16 12 16.05 -28 25 01.9
Date first 1834 Date last 2016 Obs 39
Pa first 85 Pa last 69 P.A. Now (θ) 69°
Sep first 3.0 Sep last 3.75 Sep. Now (ρ) 3.75"
Mag pri 5.80 Mag sec 8.13 delta mag (ΔM) 2.33 Spectral class B9Vv (blue-white)
Pri motion ra -025 Sec motion ra -023
Pri motion dec -045 Sec motion dec -041
Notes N (See Notes)
rPM=0.087 (< 0.3, Physical double)
This double is physical.
 
 
16123-2825 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 184217 16 12 16 -28 25 02 HUB 16 Aa,Ab 1999 1 39 0.2 5.90 7.94 2.04
Show 12 Sco 184217 16 12 16 -28 25 02 HJ 4839 AB 2016 39 69 3.8 5.80 8.13 2.33 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 12 Sco Var name NSV7520 Sco Constellation Scorpius SAO 184217
HIP 79399 Tycho2 6805-01907-1 Gaia DR2 6042159790157494912 HD 145483
HR 6029 GC 21776 ADS 9953 CD CD-2811962
CP CP-28 5298 Flamsteed 12 Scorpii Flamsteed name 12 Sco Distance 93.02
Distance ly 303.43