17592-3656 HJ 5000 AB (V1647 Sgr)

 
 
17h 59m 13.45s -36° 56' 19.8" P.A. 103.00 sep 7.7 mag 7.10,8.96 Sp A3III dist. 122.7 pc (400.25 l.y.)
 
 
Coord 2000 17592-3656 Discov num HJ 5000 Comp AB Coord arcsec 2000 17 59 13.45 -36 56 19.8
Date first 1834 Date last 2016 Obs 22
Pa first 117 Pa last 103.1 P.A. Now (θ) 103.1°
Sep first 6.0 Sep last 7.67 Sep. Now (ρ) 7.67"
Mag pri 7.10 Mag sec 8.96 delta mag (ΔM) 1.86 Spectral class A3III (white)
Pri motion ra +011 Sec motion ra +011
Pri motion dec -010 Sec motion dec -010
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
17592-3656 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V1647 Sgr 209552 17 59 13 -36 56 20 HJ 5000 AB 2016 22 103 7.7 7.10 8.96 1.86 Y <===
Show 209552 17 59 13 -36 56 20 HJ 5000 AC 2015 4 45 89.3 7.10 11.20 4.10
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V1647 Sgr Constellation Sagittarius SAO 209552 HIP 88069
Tycho2 7390-01395-1 Gaia DR2 4037354234303734528 HD 163708 GC 24449
CD CD-3612064 CP CP-36 7843 Distance 122.7 Distance ly 400.25
 
 
ORBITAL ELEMENTS
 
 
Period (P)1219.7y± 83.4 Periastron (T)1778.4y± 76.2 Semi-major axis (a)14.36a± 6.08
Eccentricity (e)0.841± 0.027 Inclination (i)94.7°± 8.5 Longitude of periastron (ω)269.4°± 21.2
Node (Ω)113.8°± 12.7 Notesn ReferenceZas2009
Equinox2000 Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 103.2 7.584
2001 103.1 7.575
2002 103.1 7.565
2003 103.1 7.556
2004 103.0 7.546
2005 103.0 7.537
2006 102.9 7.527
2007 102.9 7.517
2008 102.8 7.507
2009 102.8 7.497
2010 102.7 7.487
2011 102.7 7.477
2012 102.6 7.467
2013 102.6 7.456
2014 102.5 7.446
2015 102.5 7.435
2016 102.4 7.425
2017 102.4 7.414
2018 102.3 7.403
2019 102.3 7.393
2020 102.2 7.382
2021 102.2 7.371
2022 102.1 7.360
2023 102.1 7.349
2024 102.0 7.338
2025 102.0 7.326
2026 101.9 7.315
2027 101.9 7.304
2028 101.8 7.292
2029 101.8 7.281
2030 101.7 7.269


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



 
 


wds17592-3656a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic