02434-6643 FIN 333 (NSV911)

 
 
02h 43m 26.61s -66° 42' 51.2" P.A. 214.00 sep 0.4 mag 6.83,7.23 Sp F5V dist. 54.35 pc (177.29 l.y.)
 
 
Coord 2000 02434-6643 Discov num FIN 333 Comp Coord arcsec 2000 02 43 26.61 -66 42 51.2
Date first 1955 Date last 2021 Obs 33
Pa first 37 Pa last 214.4 P.A. Now (θ) 213.9°
Sep first 0.5 Sep last 0.449 Sep. Now (ρ) 0.396"
Mag pri 6.83 Mag sec 7.23 delta mag (ΔM) 0.4 Spectral class F5V (yellow-white)
Pri motion ra +107 Sec motion ra +107
Pri motion dec -064 Sec motion dec -064
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV911 Constellation Horologium SAO 248632 HIP 12717
Tycho2 8865-01484-1 HD 17326 HR 823 GC 3313
CD CD-67 142 CP CP-67 181 Distance 54.35 Distance ly 177.29
 
 
ORBITAL ELEMENTS
 
 
Period (P)33.31y Periastron (T)1994.63y Semi-major axis (a)0.465a
Eccentricity (e)0.96 Inclination (i)91.2° Longitude of periastron (ω)119.9°
Node (Ω)212.6° Notesn ReferenceMsn2011a
Equinox2000 Last observation2010 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 216.2 0.195
2001 215.9 0.230
2002 215.7 0.263
2003 215.5 0.292
2004 215.3 0.320
2005 215.2 0.345
2006 215.1 0.368
2007 215.0 0.389
2008 214.9 0.408
2009 214.8 0.424
2010 214.8 0.439
2011 214.7 0.451
2012 214.6 0.462
2013 214.6 0.470
2014 214.5 0.476
2015 214.5 0.480
2016 214.4 0.481
2017 214.3 0.479
2018 214.3 0.474
2019 214.2 0.467
2020 214.1 0.456
2021 214.1 0.441
2022 214.0 0.421
2023 213.9 0.396
2024 213.8 0.363
2025 213.7 0.322
2026 213.6 0.266
2027 213.3 0.184
2028 32.2 0.029
2029 259.7 0.007
2030 220.1 0.056


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



 
 


wds02434-6643a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic