16348-0412 DSG 20 Aa,Ab

 
 
16h 34m 42.35s -04° 13' 44.3" P.A. 207.00 sep 0.0 mag 10.00,11.10 Sp G5Ve dist. 45.11 pc (147.15 l.y.)
 
 
Coord 2000 16348-0412 Discov num DSG  20 Comp Aa,Ab Coord arcsec 2000 16 34 42.35 -04 13 44.3
Date first 2015 Date last 2015 Obs 2
Pa first 206 Pa last 206.7 P.A. Now (θ) 206.7°
Sep first 0.0 Sep last 0.017 Sep. Now (ρ) 0.017"
Mag pri 10.00 Mag sec 11.10 delta mag (ΔM) 1.1 Spectral class G5Ve (yellow)
Pri motion ra -134 Sec motion ra
Pri motion dec -701 Sec motion dec
Notes N P (See Notes, 100-year proper motion)
Nature of this double is uncertain.
 
 
16348-0412 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 16 34 42 -04 13 44 DSG 20 Aa,Ab 2015 2 207 0.0 10.00 11.10 1.10 <===
Show 16 34 42 -04 13 44 GIC 144 AB 2000 4 36 999.9 9.67 13.85 4.18
Show 16 34 42 -04 13 44 LMP 14 AC 2000 3 321 93.2 9.67 13.06 3.39
Show 16 35 29 -03 57 58 LMP 14 BD 2000 4 340 46.2 13.85 14.83 0.98
Show 16 35 29 -03 57 58 LMP 14 BE 2000 4 215 21.1 13.85 15.72 1.87
Sextuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus HIP 81170 Tycho2 5056-00892-1 HD 149414
GL Gl 629.2A BD BD-03 3968 Distance 45.11 Distance ly 147.15
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier16348-0412 GIC 144 A
coord_arcsec_2000163442.35-041344.6
Period (P)133.281d Periastron (T)49137.47d (1993.41y) Semi-major axis (a)3.3m± 0.9
Eccentricity (e)0.275 Inclination (i)147°± 48.7 Longitude of periastron (ω)291.8°
Node (Ω)226.9°± 16.3 Notesn ReferenceRen2013
Equinox2000 Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 253.1 0.002
2001-01-01 40.3 0.003
2002-01-01 102.0 0.004
2003-01-01 170.7 0.003
2004-01-01 276.6 0.002
2005-01-01 51.0 0.003
2006-01-01 111.0 0.004
2007-01-01 182.5 0.003
2008-01-01 304.8 0.002
2009-01-01 60.6 0.004
2010-01-01 120.4 0.004
2011-01-01 194.8 0.003
2012-01-01 333.6 0.002
2013-01-01 69.6 0.004
2014-01-01 130.2 0.003
2015-01-01 207.8 0.003
2016-01-01 357.8 0.002
2017-01-01 78.2 0.004
2018-01-01 140.5 0.003
2019-01-01 222.1 0.003
2020-01-01 16.5 0.003
2021-01-01 86.7 0.004
2022-01-01 151.1 0.003
2023-01-01 238.5 0.003
2024-01-01 31.1 0.003
2025-01-01 95.4 0.004
2026-01-01 162.1 0.003
2027-01-01 258.4 0.002
2028-01-01 43.0 0.003
2029-01-01 104.2 0.004
2030-01-01 173.6 0.003


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds16348-0412f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic