02104-5049 ESG 1
02h 10m 25.98s -50° 49' 25.2" P.A. 82.00 sep 2.6 mag 6.17,13.20 Sp K0V+DQ6 dist. 10.78 pc (35.16 l.y.)
| Coord 2000 |
02104-5049 |
|
Discov num |
ESG 1 |
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Comp |
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Coord arcsec 2000 |
02 10 25.98 -50 49 25.2 |
|
| Date first |
2000 |
|
Date last |
2016 |
|
Obs |
10 |
|
| Pa first |
119 |
|
Pa last |
82.1 |
|
P.A. Now (θ) |
82.1° |
|
| Sep first |
1.7 |
|
Sep last |
2.622 |
|
Sep. Now (ρ) |
2.622" |
|
| Mag pri |
6.17 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
7.03 |
|
Spectral class |
K0V+DQ6 (yellow-orange/white dwarf) |
|
| Pri motion ra |
+209 |
|
Sec motion ra |
|
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| Pri motion dec |
+065 |
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Sec motion dec |
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| Notes |
N
O
P
(See Notes, Orbital solution, 100-year proper motion) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Eridanus |
|
SAO |
232658 |
|
HIP |
10138 |
|
Tycho2 |
8048-01022-1 |
|
| HD |
13445 |
|
HR |
637 |
|
GC |
2610 |
|
GL |
Gl 86 |
|
| CD |
CD-51 532 |
|
CP |
CP-51 282 |
|
Distance |
10.78 |
|
Distance ly |
35.16 |
|
ORBITAL ELEMENTS
| Period (P) | 341.5y | |
Periastron (T) | 2000.5y | |
Semi-major axis (a) | 4.393a | |
| Eccentricity (e) | 0.49 | |
Inclination (i) | 125.4° | |
Longitude of periastron (ω) | 306.4° | |
| Node (Ω) | 79.6° | |
Notes | n | |
Reference | Msn2017c | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
119.6 |
1.662 |
| 2001 |
116.0 |
1.720 |
| 2002 |
112.6 |
1.780 |
| 2003 |
109.5 |
1.841 |
| 2004 |
106.6 |
1.903 |
| 2005 |
103.8 |
1.965 |
| 2006 |
101.2 |
2.026 |
| 2007 |
98.8 |
2.086 |
| 2008 |
96.5 |
2.144 |
| 2009 |
94.3 |
2.201 |
| 2010 |
92.3 |
2.256 |
| 2011 |
90.3 |
2.309 |
| 2012 |
88.4 |
2.360 |
| 2013 |
86.6 |
2.408 |
| 2014 |
84.9 |
2.454 |
| 2015 |
83.2 |
2.497 |
| 2016 |
81.6 |
2.538 |
| 2017 |
80.0 |
2.577 |
| 2018 |
78.5 |
2.613 |
| 2019 |
77.0 |
2.646 |
| 2020 |
75.5 |
2.678 |
| 2021 |
74.1 |
2.706 |
| 2022 |
72.7 |
2.733 |
| 2023 |
71.4 |
2.758 |
| 2024 |
70.0 |
2.781 |
| 2025 |
68.7 |
2.801 |
| 2026 |
67.4 |
2.820 |
| 2027 |
66.1 |
2.837 |
| 2028 |
64.9 |
2.853 |
| 2029 |
63.6 |
2.867 |
| 2030 |
62.4 |
2.879 |
|
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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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