11102-1122 HDS 1590 (HD 97038)
11h 10m 11.93s -11° 21' 35.9" P.A. 44.00 sep 0.2 mag 8.43,8.78 Sp G0 dist. 61.84 pc (201.72 l.y.)
Coord 2000 |
11102-1122 |
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Discov num |
HDS1590 |
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Comp |
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Coord arcsec 2000 |
11 10 11.93 -11 21 35.9 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
21 |
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Pa first |
328 |
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Pa last |
43.6 |
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P.A. Now (θ) |
31.1° |
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Sep first |
0.1 |
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Sep last |
0.165 |
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Sep. Now (ρ) |
0.172" |
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Mag pri |
8.43 |
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Mag sec |
8.78 |
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delta mag (ΔM) |
0.35 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
-002 |
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Sec motion ra |
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Pri motion dec |
-079 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 97038 |
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Constellation |
Crater |
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SAO |
156506 |
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HIP |
54580 |
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Tycho2 |
5504-01608-1 |
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Gaia DR2 |
3566207213835455360 |
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HD |
97038 |
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BD |
BD-10 3211 |
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Distance |
61.84 |
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Distance ly |
201.72 |
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ORBITAL ELEMENTS
Period (P) | 20.61y | ± 0.43 |
Periastron (T) | 1995.616y | ± 0.424 |
Semi-major axis (a) | 0.1613a | ± 0.0044 |
Eccentricity (e) | 0.783 | ± 0.009 |
Inclination (i) | 120.7° | ± 1 |
Longitude of periastron (ω) | 74.6° | ± 0.8 |
Node (Ω) | 254.7° | ± 1.6 |
Notes | | |
Reference | Tok2016e | |
Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
43.1 |
0.163 |
2001 |
37.9 |
0.169 |
2002 |
33.0 |
0.172 |
2003 |
28.1 |
0.172 |
2004 |
23.2 |
0.170 |
2005 |
18.0 |
0.166 |
2006 |
12.6 |
0.160 |
2007 |
6.8 |
0.154 |
2008 |
0.4 |
0.147 |
2009 |
353.3 |
0.139 |
2010 |
345.4 |
0.131 |
2011 |
336.3 |
0.122 |
2012 |
325.9 |
0.114 |
2013 |
313.8 |
0.105 |
2014 |
299.4 |
0.095 |
2015 |
280.6 |
0.080 |
2016 |
239.8 |
0.037 |
2017 |
77.2 |
0.073 |
2018 |
61.3 |
0.118 |
2019 |
52.9 |
0.143 |
2020 |
46.5 |
0.158 |
2021 |
41.0 |
0.166 |
2022 |
36.0 |
0.171 |
2023 |
31.1 |
0.172 |
2024 |
26.2 |
0.171 |
2025 |
21.2 |
0.168 |
2026 |
16.0 |
0.164 |
2027 |
10.4 |
0.158 |
2028 |
4.4 |
0.151 |
2029 |
357.7 |
0.144 |
2030 |
350.3 |
0.136 |
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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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