12396-3717 DAW 63 (HD 110035)
12h 39m 38.94s -37° 17' 13.0" P.A. 201.00 sep 0.3 mag 9.97,9.81 Sp K3V dist. 44.17 pc (144.08 l.y.)
Coord 2000 |
12396-3717 |
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Discov num |
DAW 63 |
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Comp |
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Coord arcsec 2000 |
12 39 38.94 -37 17 13.0 |
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Date first |
1927 |
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Date last |
2021 |
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Obs |
56 |
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Pa first |
347 |
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Pa last |
201.2 |
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P.A. Now (θ) |
219.9° |
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Sep first |
0.5 |
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Sep last |
0.277 |
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Sep. Now (ρ) |
0.277" |
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Mag pri |
9.97 |
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Mag sec |
9.81 |
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delta mag (ΔM) |
0.16 |
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Spectral class |
K3V (yellow-orange) |
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Pri motion ra |
-262 |
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Sec motion ra |
-262 |
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Pri motion dec |
-268 |
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Sec motion dec |
-268 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 110035 |
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Constellation |
Centaurus |
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SAO |
203675 |
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HIP |
61775 |
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Tycho2 |
7259-00240-1 |
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HD |
110035 |
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CD |
CD-36 7990 |
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Distance |
44.17 |
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Distance ly |
144.08 |
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ORBITAL ELEMENTS
Period (P) | 56.85y | ± 0.32 |
Periastron (T) | 2021.02y | ± 0.55 |
Semi-major axis (a) | 0.387a | ± 0.004 |
Eccentricity (e) | 0.287 | ± 0.015 |
Inclination (i) | 21.6° | ± 5.3 |
Longitude of periastron (ω) | 3.7° | ± 16.4 |
Node (Ω) | 194.5° | ± 13.8 |
Notes | n | |
Reference | Tok2015c | |
Equinox | 2000 | |
Last observation | 2014 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
44.3 |
0.467 |
2001 |
48.3 |
0.458 |
2002 |
52.4 |
0.449 |
2003 |
56.7 |
0.439 |
2004 |
61.2 |
0.428 |
2005 |
65.9 |
0.417 |
2006 |
70.9 |
0.404 |
2007 |
76.2 |
0.392 |
2008 |
81.9 |
0.379 |
2009 |
88.0 |
0.366 |
2010 |
94.5 |
0.354 |
2011 |
101.5 |
0.341 |
2012 |
109.0 |
0.329 |
2013 |
117.1 |
0.318 |
2014 |
125.7 |
0.309 |
2015 |
134.8 |
0.300 |
2016 |
144.5 |
0.293 |
2017 |
154.5 |
0.287 |
2018 |
165.0 |
0.282 |
2019 |
175.7 |
0.279 |
2020 |
186.7 |
0.277 |
2021 |
197.7 |
0.276 |
2022 |
208.8 |
0.276 |
2023 |
219.9 |
0.277 |
2024 |
230.8 |
0.280 |
2025 |
241.4 |
0.284 |
2026 |
251.7 |
0.290 |
2027 |
261.5 |
0.297 |
2028 |
270.8 |
0.307 |
2029 |
279.5 |
0.317 |
2030 |
287.6 |
0.329 |
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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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