09376+1528 A 2479 (HD 83289)

 
 
09h 37m 38.81s +15° 27' 30.7" P.A. 191.00 sep 0.4 mag 9.23,9.87 Sp F8 dist. 174.52 pc (569.28 l.y.)
 
 
Coord 2000 09376+1528 Discov num A  2479 Comp Coord arcsec 2000 09 37 38.81 +15 27 30.7
Date first 1912 Date last 2014 Obs 19
Pa first 258 Pa last 191.4 P.A. Now (θ) 191.4°
Sep first 0.3 Sep last 0.412 Sep. Now (ρ) 0.412"
Mag pri 9.23 Mag sec 9.87 delta mag (ΔM) 0.64 Spectral class F8 (yellow-white)
Pri motion ra -008 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 83289 Constellation Leo SAO 98678 HIP 47233
Tycho2 1410-00770-1 Gaia DR2 618835831653987968 HD 83289 ADS 7460
BD BD+16 2000 Distance 174.52 Distance ly 569.28
 
 
ORBITAL ELEMENTS
 
 
Period (P)108y Periastron (T)1961y Semi-major axis (a)0.23a
Eccentricity (e)0.24 Inclination (i)46.5° Longitude of periastron (ω)341°
Node (Ω)82° Notes ReferenceHei1978a
Equinox2000 Last observation1977 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 221.0 0.223
2001 223.3 0.228
2002 225.5 0.233
2003 227.7 0.238
2004 229.7 0.242
2005 231.7 0.246
2006 233.6 0.251
2007 235.4 0.254
2008 237.2 0.258
2009 239.0 0.262
2010 240.7 0.265
2011 242.3 0.268
2012 244.0 0.271
2013 245.6 0.273
2014 247.1 0.275
2015 248.7 0.277
2016 250.2 0.279
2017 251.7 0.280
2018 253.2 0.281
2019 254.7 0.282
2020 256.2 0.282
2021 257.6 0.282
2022 259.1 0.282
2023 260.6 0.281
2024 262.1 0.280
2025 263.6 0.279
2026 265.1 0.277
2027 266.7 0.275
2028 268.2 0.273
2029 269.8 0.271
2030 271.5 0.268


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



 
 


wds09376%2B1528a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic