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 |
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Discov num |
TOK 252 |
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Comp |
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Coord arcsec 2000 |
04 59 50.45 -10 15 47.9 |
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Date first |
1903 |
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Date last |
2016 |
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Obs |
9 |
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Pa first |
221 |
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Pa last |
221.3 |
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P.A. Now (θ) |
221.3° |
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Sep first |
297.8 |
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Sep last |
297.897 |
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Sep. Now (ρ) |
297.897" |
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Mag pri |
5.48 |
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Mag sec |
8.47 |
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delta mag (ΔM) |
2.99 |
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Spectral class |
K0IV+DA2 (yellow-orange/white dwarf) |
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Pri motion ra |
+022 |
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Sec motion ra |
+023 |
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Pri motion dec |
-134 |
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Sec motion dec |
-131 |
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Notes |
N
V
(See Notes, Proper motion indicates physical) |
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rPM=0.023 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
63 Eri |
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Constellation |
Eridanus |
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SAO |
150060 |
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HIP |
23221 |
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Tycho2 |
5326-01952-1 |
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Gaia DR2 |
3182967488171853824 |
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HD |
31984 |
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HR |
1608 |
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GC |
6098 |
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BD |
BD-10 1066 |
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Flamsteed |
63 Eridani |
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Flamsteed name |
63 Eri |
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FK5 |
2375 |
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Distance |
53.97 |
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Distance ly |
176.05 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 04598-1016 |
coord_arcsec_2000 | 045950.44-101546.8 |
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 |
Notes | n | |
Reference | Ren2013 | |
Equinox | 2000 | |
Last observation | | |
Grade | 9 | (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 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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