04598-1016 TOK 252 (63 Eri)

 
 
04h 59m 50.45s -10° 15' 47.9" P.A. 221.00 sep 297.9 mag 5.48,8.47 Sp K0IV+DA2 dist. 53.97 pc (176.05 l.y.)
 
 
Coord 2000 04598-1016 Discov num TOK 252 Comp Coord arcsec 2000 04 59 50.45 -10 15 47.9
Date first 1903 Date last 2016 Obs 9
Pa first 221 Pa last 221.3 P.A. Now (θ) 221.3°
Sep first 297.8 Sep last 297.897 Sep. Now (ρ) 297.897"
Mag pri 5.48 Mag sec 8.47 delta mag (ΔM) 2.99 Spectral class K0IV+DA2 (yellow-orange/white dwarf)
Pri motion ra +022 Sec motion ra +023
Pri motion dec -134 Sec motion dec -131
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.023 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 63 Eri Constellation Eridanus SAO 150060 HIP 23221
Tycho2 5326-01952-1 Gaia DR2 3182967488171853824 HD 31984 HR 1608
GC 6098 BD BD-10 1066 Flamsteed 63 Eridani Flamsteed name 63 Eri
FK5 2375 Distance 53.97 Distance ly 176.05
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier04598-1016
coord_arcsec_2000045950.44-101546.8
Period (P)903d (2.47y) Periastron (T)50384d (1996.823y) Semi-major axis (a)7.4m± 1.1
Eccentricity (e)0.3 Inclination (i)109.5°± 5.9 Longitude of periastron (ω)171°
Node (Ω)40.9°± 4.5 Notesn ReferenceRen2013
Equinox2000 Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 67.9 0.005
2001-01-01 29.0 0.008
2002-01-01 198.2 0.004
2003-01-01 44.0 0.010
2004-01-01 265.1 0.003
2005-01-01 63.3 0.006
2006-01-01 26.3 0.007
2007-01-01 187.6 0.003
2008-01-01 42.5 0.010
2009-01-01 249.4 0.003
2010-01-01 59.7 0.007
2011-01-01 23.0 0.006
2012-01-01 172.3 0.003
2013-01-01 41.0 0.010
2014-01-01 239.1 0.004
2015-01-01 56.7 0.007
2016-01-01 18.9 0.005
2017-01-01 150.8 0.002
2018-01-01 39.4 0.009
2019-01-01 231.7 0.005
2020-01-01 54.2 0.008
2021-01-01 13.4 0.005
2022-01-01 125.6 0.002
2023-01-01 37.8 0.009
2024-01-01 225.8 0.005
2025-01-01 52.0 0.008
2026-01-01 5.5 0.004
2027-01-01 103.8 0.003
2028-01-01 36.2 0.009
2029-01-01 220.4 0.005
2030-01-01 50.0 0.009


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



 
 


wds04598-1016f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic