13334+0919 HDS 1902 (HD 117913)

13h 33m 25.91s +09° 19' 25.5" P.A. 252.00 sep 0.2 mag 9.51,11.49 Sp G5 dist. 74.4 pc (242.69 l.y.)

Coord 2000 13334+0919 Discov num HDS1902 Comp Coord arcsec 2000 13 33 25.91 +09 19 25.5
Date first 1991 Date last 2021 Obs 7
Pa first 231 Pa last 252.4 P.A. Now (θ) 252.4°
Sep first 0.2 Sep last 0.189 Sep. Now (ρ) 0.189"
Mag pri 9.51 Mag sec 11.49 delta mag (ΔM) 1.98 Spectral class G5 (yellow)
Pri motion ra -027 Sec motion ra
Pri motion dec +017 Sec motion dec
Notes O (Orbital solution)




This double is physical.



OTHER CATALOGS AND DESIGNATIONS

Name HD 117913 Constellation Virgo SAO 119996 HIP 66132
Tycho2 0892-00533-1 Gaia DR2 3725899939055340032 HD 117913 BD BD+10 2561
Distance 74.4 Distance ly 242.69




ORBITAL ELEMENTS

Period (P)26.15y± 0.51 Periastron (T)2008.55y± 0.44 Semi-major axis (a)0.131a± 0.016
Eccentricity (e)0.54± 0.01 Inclination (i)27.7°± 15.9 Longitude of periastron (ω)309°± 4.5
Node (Ω)124.3°± 34.2 Notes ReferenceTok2020e
Equinox Last observation Grade4(1=Definitive, 9=Indet.)

label theta rho
2000 279.6 0.180
2001 285.3 0.172
2002 291.5 0.163
2003 298.7 0.150
2004 307.3 0.135
2005 318.4 0.117
2006 334.1 0.095
2007 359.9 0.072
2008 45.3 0.056
2009 100.1 0.061
2010 138.5 0.076
2011 163.8 0.091
2012 181.9 0.106
2013 195.8 0.120
2014 206.9 0.132
2015 216.1 0.144
2016 224.0 0.154
2017 231.0 0.163
2018 237.3 0.171
2019 243.1 0.178
2020 248.5 0.183
2021 253.6 0.187
2022 258.6 0.189
2023 263.5 0.189
2024 268.5 0.188
2025 273.5 0.185
2026 278.8 0.180
2027 284.4 0.174
2028 290.5 0.164
2029 297.5 0.152
2030 305.9 0.138


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



 
 


wds13334%2B0919a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic