01477-4358 I 52 (HD 11057)

 
 
01h 47m 40.54s -43° 58' 16.2" P.A. 208.00 sep 0.5 mag 8.47,9.10 Sp F6+F9 dist. 188.68 pc (615.47 l.y.)
 
 
Coord 2000 01477-4358 Discov num I    52 Comp Coord arcsec 2000 01 47 40.54 -43 58 16.2
Date first 1896 Date last 2016 Obs 35
Pa first 180 Pa last 207.6 P.A. Now (θ) 207.6°
Sep first 1.0 Sep last 0.525 Sep. Now (ρ) 0.525"
Mag pri 8.47 Mag sec 9.10 delta mag (ΔM) 0.63 Spectral class F6+F9 (yellow-white/yellow-white)
Pri motion ra +050 Sec motion ra +050
Pri motion dec -013 Sec motion dec -013
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 11057 Constellation Phoenix SAO 215655 HIP 8353
Tycho2 7549-00351-1 Gaia DR2 4955751351679389952 HD 11057 CD CD-44 522
CP CP-44 220 Distance 188.68 Distance ly 615.47
 
 
ORBITAL ELEMENTS
 
 
Period (P)223.9y± 8 Periastron (T)1969.74y± 1 Semi-major axis (a)0.372a± 0.01
Eccentricity (e)0.847± 0.017 Inclination (i)150.4°± 9 Longitude of periastron (ω)12.5°± 6.5
Node (Ω)20.9°± 6 Notesn ReferenceDoc2016i
Equinox2000 Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 215.0 0.406
2001 214.4 0.414
2002 213.8 0.422
2003 213.3 0.429
2004 212.7 0.437
2005 212.2 0.445
2006 211.7 0.452
2007 211.2 0.459
2008 210.7 0.466
2009 210.2 0.473
2010 209.8 0.479
2011 209.3 0.486
2012 208.9 0.492
2013 208.5 0.498
2014 208.1 0.504
2015 207.7 0.510
2016 207.3 0.516
2017 206.9 0.522
2018 206.5 0.527
2019 206.2 0.533
2020 205.8 0.538
2021 205.5 0.543
2022 205.1 0.549
2023 204.8 0.553
2024 204.4 0.558
2025 204.1 0.563
2026 203.8 0.568
2027 203.5 0.572
2028 203.2 0.577
2029 202.9 0.581
2030 202.6 0.585


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



 
 


wds01477-4358b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic