01477-4358 I 52 (HD 11057)
01h 47m 40.54s -43° 58' 16.2" P.A. 208.00 sep 0.5 mag 8.47,9.10 Sp F6+F9 dist. 188.68 pc (615.47 l.y.)
| Coord 2000 |
01477-4358 |
|
Discov num |
I 52 |
|
Comp |
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Coord arcsec 2000 |
01 47 40.54 -43 58 16.2 |
|
| Date first |
1896 |
|
Date last |
2016 |
|
Obs |
35 |
|
| Pa first |
180 |
|
Pa last |
207.6 |
|
P.A. Now (θ) |
207.6° |
|
| Sep first |
1.0 |
|
Sep last |
0.525 |
|
Sep. Now (ρ) |
0.525" |
|
| Mag pri |
8.47 |
|
Mag sec |
9.10 |
|
delta mag (ΔM) |
0.63 |
|
Spectral class |
F6+F9 (yellow-white/yellow-white) |
|
| Pri motion ra |
+050 |
|
Sec motion ra |
+050 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
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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 11057 |
|
Constellation |
Phoenix |
|
SAO |
215655 |
|
HIP |
8353 |
|
| Tycho2 |
7549-00351-1 |
|
Gaia DR2 |
4955751351679389952 |
|
HD |
11057 |
|
CD |
CD-44 522 |
|
| CP |
CP-44 220 |
|
Distance |
188.68 |
|
Distance ly |
615.47 |
|
ORBITAL ELEMENTS
| Period (P) | 223.9y | ± 8 |
Periastron (T) | 1969.74y | ± 1 |
Semi-major axis (a) | 0.372a | ± 0.01 |
| Eccentricity (e) | 0.847 | ± 0.017 |
Inclination (i) | 150.4° | ± 9 |
Longitude of periastron (ω) | 12.5° | ± 6.5 |
| Node (Ω) | 20.9° | ± 6 |
Notes | n | |
Reference | Doc2016i | |
| Equinox | 2000 | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
215.0 |
0.406 |
| 2001 |
214.4 |
0.414 |
| 2002 |
213.8 |
0.422 |
| 2003 |
213.3 |
0.429 |
| 2004 |
212.7 |
0.437 |
| 2005 |
212.2 |
0.445 |
| 2006 |
211.7 |
0.452 |
| 2007 |
211.2 |
0.459 |
| 2008 |
210.7 |
0.466 |
| 2009 |
210.2 |
0.473 |
| 2010 |
209.8 |
0.479 |
| 2011 |
209.3 |
0.486 |
| 2012 |
208.9 |
0.492 |
| 2013 |
208.5 |
0.498 |
| 2014 |
208.1 |
0.504 |
| 2015 |
207.7 |
0.510 |
| 2016 |
207.3 |
0.516 |
| 2017 |
206.9 |
0.522 |
| 2018 |
206.5 |
0.527 |
| 2019 |
206.2 |
0.533 |
| 2020 |
205.8 |
0.538 |
| 2021 |
205.5 |
0.543 |
| 2022 |
205.1 |
0.549 |
| 2023 |
204.8 |
0.553 |
| 2024 |
204.4 |
0.558 |
| 2025 |
204.1 |
0.563 |
| 2026 |
203.8 |
0.568 |
| 2027 |
203.5 |
0.572 |
| 2028 |
203.2 |
0.577 |
| 2029 |
202.9 |
0.581 |
| 2030 |
202.6 |
0.585 |
| 2031 |
202.3 |
0.589 |
| 2032 |
202.0 |
0.593 |
| 2033 |
201.7 |
0.597 |
| 2034 |
201.4 |
0.601 |
| 2035 |
201.1 |
0.605 |
| 2036 |
200.8 |
0.608 |
| 2037 |
200.5 |
0.612 |
| 2038 |
200.3 |
0.615 |
| 2039 |
200.0 |
0.619 |
| 2040 |
199.7 |
0.622 |
| 2041 |
199.5 |
0.625 |
| 2042 |
199.2 |
0.628 |
| 2043 |
198.9 |
0.631 |
| 2044 |
198.7 |
0.634 |
| 2045 |
198.4 |
0.637 |
| 2046 |
198.2 |
0.640 |
| 2047 |
197.9 |
0.642 |
| 2048 |
197.7 |
0.645 |
| 2049 |
197.4 |
0.647 |
| 2050 |
197.2 |
0.650 |
|
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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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