01498-3824 HDO 186 AB

 
 
01h 49m 48.86s -38° 24' 10.0" P.A. 227.00 sep 97.9 mag 6.37,13.50 Sp F8V dist. 27.35 pc (89.22 l.y.)
 
 
Coord 2000 01498-3824 Discov num HDO 186 Comp AB Coord arcsec 2000 01 49 48.86 -38 24 10.0
Date first 1837 Date last 2013 Obs 6
Pa first 71 Pa last 226.8 P.A. Now (θ) 226.8°
Sep first 20.3 Sep last 97.921 Sep. Now (ρ) 97.921"
Mag pri 6.37 Mag sec 13.50 delta mag (ΔM) 7.13 Spectral class F8V (yellow-white)
Pri motion ra +002 Sec motion ra
Pri motion dec +276 Sec motion dec
Notes N W (See Notes, )
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Fornax SAO 193326 HIP 8514 Tycho2 7543-01262-1
HD 11262 HR 535 GC 2219 CD CD-39 553
CP CP-39 149 Distance 27.35 Distance ly 89.22
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier01498-3824 GC 2219
coord_arcsec_2000014948.86-382412.5
Period (P)1122.3937d (3.07y)± 99.3663 Periastron (T)48401.3828d (1991.394y)± 18.0819 Semi-major axis (a)11.95m± 0.97
Eccentricity (e)0 Inclination (i)106.34°± 5.21 Longitude of periastron (ω)
Node (Ω)79°± 3.78 Notesn ReferenceHIP1997d
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 119.6 0.005
2001-01-01 63.1 0.009
2002-01-01 264.1 0.011
2003-01-01 137.9 0.004
2004-01-01 67.1 0.010
2005-01-01 266.8 0.011
2006-01-01 165.2 0.003
2007-01-01 70.4 0.011
2008-01-01 270.0 0.010
2009-01-01 194.0 0.004
2010-01-01 73.3 0.011
2011-01-01 273.8 0.009
2012-01-01 214.6 0.005
2013-01-01 75.8 0.012
2014-01-01 278.6 0.008
2015-01-01 227.4 0.006
2016-01-01 78.3 0.012
2017-01-01 285.2 0.007
2018-01-01 235.7 0.007
2019-01-01 80.7 0.012
2020-01-01 295.0 0.005
2021-01-01 241.5 0.008
2022-01-01 83.2 0.012
2023-01-01 310.5 0.004
2024-01-01 245.8 0.009
2025-01-01 85.8 0.011
2026-01-01 334.9 0.003
2027-01-01 249.3 0.010
2028-01-01 88.8 0.010
2029-01-01 4.6 0.003
2030-01-01 252.3 0.011


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



 
 


wds01498-3824r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic