19296-1239 HU 75 (HD 183347)

 
 
19h 29m 37.86s -12° 38' 48.1" P.A. 180.00 sep 0.4 mag 7.09,9.15 Sp F5IV-V dist. 65.06 pc (212.23 l.y.)
 
 
Coord 2000 19296-1239 Discov num HU   75 Comp Coord arcsec 2000 19 29 37.86 -12 38 48.1
Date first 1899 Date last 2021 Obs 55
Pa first 202 Pa last 180.2 P.A. Now (θ) 184.8°
Sep first 0.5 Sep last 0.368 Sep. Now (ρ) 0.403"
Mag pri 7.09 Mag sec 9.15 delta mag (ΔM) 2.06 Spectral class F5IV-V (yellow-white)
Pri motion ra +104 Sec motion ra +104
Pri motion dec -036 Sec motion dec -036
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 183347 Constellation Sagittarius SAO 162674 HIP 95847
Tycho2 5730-01534-1 Gaia DR2 4186599949666377984 HD 183347 GC 26913
ADS 12505 BD BD-12 5417 Distance 65.06 Distance ly 212.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)129.67y± 2.7 Periastron (T)2009.47y± 0.29 Semi-major axis (a)0.496a± 0.013
Eccentricity (e)0.652± 0.012 Inclination (i)31.5°± 3.4 Longitude of periastron (ω)245.3°± 4.7
Node (Ω)183.1°± 5.9 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 331.9 0.309
2001 336.8 0.293
2002 342.2 0.277
2003 348.3 0.260
2004 355.4 0.242
2005 3.6 0.223
2006 13.2 0.204
2007 24.9 0.186
2008 39.1 0.169
2009 56.0 0.156
2010 75.1 0.150
2011 94.5 0.153
2012 112.1 0.165
2013 126.6 0.184
2014 138.3 0.206
2015 147.7 0.230
2016 155.3 0.254
2017 161.5 0.278
2018 166.8 0.301
2019 171.4 0.323
2020 175.3 0.345
2021 178.8 0.365
2022 182.0 0.385
2023 184.8 0.403
2024 187.4 0.421
2025 189.8 0.438
2026 192.0 0.454
2027 194.1 0.470
2028 196.0 0.485
2029 197.9 0.499
2030 199.6 0.512


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



 
 


wds19296-1239b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic