10446+0530 A 2771 (HD 93017)
10h 44m 38.71s +05° 29' 55.0" P.A. 109.00 sep 0.6 mag 9.18,9.70 Sp K0 dist. 71.79 pc (234.18 l.y.)
Coord 2000 |
10446+0530 |
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Discov num |
A 2771 |
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Comp |
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Coord arcsec 2000 |
10 44 38.71 +05 29 55.0 |
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Date first |
1914 |
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Date last |
2021 |
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Obs |
39 |
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Pa first |
209 |
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Pa last |
109.1 |
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P.A. Now (θ) |
109.1° |
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Sep first |
0.8 |
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Sep last |
0.636 |
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Sep. Now (ρ) |
0.636" |
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Mag pri |
9.18 |
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Mag sec |
9.70 |
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delta mag (ΔM) |
0.52 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
+006 |
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Sec motion ra |
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Pri motion dec |
+002 |
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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 93017 |
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Constellation |
Sextans |
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SAO |
118465 |
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HIP |
52547 |
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Tycho2 |
0260-00604-1 |
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Gaia DR2 |
3858414794126696192 |
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HD |
93017 |
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ADS |
7911 |
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BD |
BD+06 2343 |
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Distance |
71.79 |
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Distance ly |
234.18 |
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ORBITAL ELEMENTS
Period (P) | 549y | |
Periastron (T) | 1993.47y | |
Semi-major axis (a) | 1.016a | |
Eccentricity (e) | 0.834 | |
Inclination (i) | 131.4° | |
Longitude of periastron (ω) | 52.8° | |
Node (Ω) | 288.6° | |
Notes | | |
Reference | Tok2014a | |
Equinox | 2000 | |
Last observation | 2013 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
157.0 |
0.179 |
2001 |
150.1 |
0.201 |
2002 |
144.6 |
0.223 |
2003 |
140.1 |
0.246 |
2004 |
136.4 |
0.268 |
2005 |
133.2 |
0.290 |
2006 |
130.5 |
0.312 |
2007 |
128.1 |
0.333 |
2008 |
126.0 |
0.354 |
2009 |
124.1 |
0.374 |
2010 |
122.4 |
0.393 |
2011 |
120.9 |
0.412 |
2012 |
119.5 |
0.431 |
2013 |
118.2 |
0.449 |
2014 |
117.1 |
0.467 |
2015 |
116.0 |
0.484 |
2016 |
115.0 |
0.501 |
2017 |
114.0 |
0.517 |
2018 |
113.1 |
0.533 |
2019 |
112.3 |
0.549 |
2020 |
111.5 |
0.564 |
2021 |
110.7 |
0.579 |
2022 |
110.0 |
0.594 |
2023 |
109.3 |
0.609 |
2024 |
108.7 |
0.623 |
2025 |
108.0 |
0.637 |
2026 |
107.4 |
0.650 |
2027 |
106.9 |
0.664 |
2028 |
106.3 |
0.677 |
2029 |
105.8 |
0.690 |
2030 |
105.3 |
0.702 |
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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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