19029-5413 I 1390 (HD 176353)

 
 
19h 02m 52.64s -54° 12' 29.5" P.A. 257.00 sep 0.2 mag 9.64,9.20 Sp G0V dist. 88.18 pc (287.64 l.y.)
 
 
Coord 2000 19029-5413 Discov num I  1390 Comp Coord arcsec 2000 19 02 52.64 -54 12 29.5
Date first 1925 Date last 2019 Obs 19
Pa first 252 Pa last 257.3 P.A. Now (θ) 83.3°
Sep first 0.3 Sep last 0.235 Sep. Now (ρ) 0.257"
Mag pri 9.64 Mag sec 9.20 delta mag (ΔM) 0.44 Spectral class G0V (yellow)
Pri motion ra -008 Sec motion ra
Pri motion dec -067 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 176353 Constellation Telescopium SAO 245878 HIP 93524
Tycho2 8759-01775-1 Gaia DR2 6644315923039747968 HD 176353 CP CP-54 9221
Distance 88.18 Distance ly 287.64
 
 
ORBITAL ELEMENTS
 
 
Period (P)47.6y± 1.8 Periastron (T)2009.434y± 0.047 Semi-major axis (a)0.185a± 0.004
Eccentricity (e)0.666± 0.01 Inclination (i)58.6°± 1.4 Longitude of periastron (ω)220.7°± 1.5
Node (Ω)73.8°± 1 Notes ReferenceTok2019c
Equinox Last observation2018 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 139.8 0.124
2001 147.0 0.112
2002 155.8 0.102
2003 166.5 0.093
2004 179.2 0.086
2005 193.7 0.081
2006 209.3 0.079
2007 225.6 0.078
2008 242.6 0.074
2009 264.1 0.061
2010 306.6 0.039
2011 13.0 0.046
2012 41.8 0.077
2013 53.9 0.108
2014 60.7 0.135
2015 65.4 0.158
2016 69.0 0.179
2017 71.8 0.196
2018 74.3 0.211
2019 76.4 0.224
2020 78.3 0.234
2021 80.1 0.243
2022 81.7 0.251
2023 83.3 0.257
2024 84.8 0.262
2025 86.2 0.265
2026 87.6 0.268
2027 89.0 0.269
2028 90.4 0.269
2029 91.8 0.269
2030 93.2 0.267


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



 
 


wds19029-5413c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic