02009-4350 I 265 (HD 12439)
02h 00m 52.92s -43° 49' 51.4" P.A. 227.00 sep 0.6 mag 8.63,9.64 Sp F7V dist. 83.06 pc (270.94 l.y.)
| Coord 2000 |
02009-4350 |
|
Discov num |
I 265 |
|
Comp |
|
|
Coord arcsec 2000 |
02 00 52.92 -43 49 51.4 |
|
| Date first |
1898 |
|
Date last |
2014 |
|
Obs |
28 |
|
| Pa first |
20 |
|
Pa last |
227.3 |
|
P.A. Now (θ) |
227.3° |
|
| Sep first |
0.6 |
|
Sep last |
0.617 |
|
Sep. Now (ρ) |
0.617" |
|
| Mag pri |
8.63 |
|
Mag sec |
9.64 |
|
delta mag (ΔM) |
1.01 |
|
Spectral class |
F7V (yellow-white) |
|
| Pri motion ra |
-013 |
|
Sec motion ra |
|
|
| Pri motion dec |
-056 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 12439 |
|
Constellation |
Phoenix |
|
SAO |
215737 |
|
HIP |
9408 |
|
| Tycho2 |
7556-00776-1 |
|
Gaia DR2 |
4956337838053704704 |
|
HD |
12439 |
|
GC |
2441 |
|
| CD |
CD-44 587 |
|
CP |
CP-44 235 |
|
Distance |
83.06 |
|
Distance ly |
270.94 |
|
ORBITAL ELEMENTS
| Period (P) | 775y | |
Periastron (T) | 1977.26y | |
Semi-major axis (a) | 1.209a | |
| Eccentricity (e) | 0.744 | |
Inclination (i) | 68.9° | |
Longitude of periastron (ω) | 271.2° | |
| Node (Ω) | 222.6° | |
Notes | | |
Reference | Hrt2010a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
219.0 |
0.466 |
| 2001 |
219.8 |
0.479 |
| 2002 |
220.5 |
0.492 |
| 2003 |
221.1 |
0.504 |
| 2004 |
221.7 |
0.515 |
| 2005 |
222.3 |
0.527 |
| 2006 |
222.9 |
0.538 |
| 2007 |
223.5 |
0.548 |
| 2008 |
224.0 |
0.558 |
| 2009 |
224.5 |
0.568 |
| 2010 |
225.0 |
0.578 |
| 2011 |
225.5 |
0.587 |
| 2012 |
226.0 |
0.596 |
| 2013 |
226.4 |
0.605 |
| 2014 |
226.9 |
0.613 |
| 2015 |
227.3 |
0.621 |
| 2016 |
227.7 |
0.629 |
| 2017 |
228.1 |
0.637 |
| 2018 |
228.5 |
0.644 |
| 2019 |
228.9 |
0.652 |
| 2020 |
229.3 |
0.659 |
| 2021 |
229.7 |
0.665 |
| 2022 |
230.0 |
0.672 |
| 2023 |
230.4 |
0.679 |
| 2024 |
230.7 |
0.685 |
| 2025 |
231.1 |
0.691 |
| 2026 |
231.4 |
0.697 |
| 2027 |
231.7 |
0.702 |
| 2028 |
232.1 |
0.708 |
| 2029 |
232.4 |
0.713 |
| 2030 |
232.7 |
0.719 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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|
|
|
|
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Measures: green=micrometric, blue=interferometric, purple=photographic |
|
WDS 02009-4350 I 265 (HD 12439) : NOTES
No records found.
REFERENCES
| refcode |
metd |
author |
reference |
| Hrt2010a |
orb - |
Hartkopf, W.I. & Mason, B.D. |
2010IAUDS.170....1H |
| Hrt2010a |
|
Inf. Circ. 170, 1, 2010 |
|
DISCOVERER
| idgroup |
discov |
author |
| 1 |
I |
Innes, R.T.A. |
| 5 |
I |
MNRAS 57, 533, 1897 (data also in I__1897b, |
| 5 |
I |
I__1897c) |
WDS HISTORIC DATA
| coord_2000 |
discov_num |
comp |
epoch |
obs |
pa |
sep |
mag_pri |
mag_sec |
spectr |
notes |
coord_arcsec_2000 |
| 02009-4350 |
I 265 |
|
1996 |
26 |
218 |
0.4 |
8.63 |
9.64 |
F7V |
OD |
020052.92-434951.4 |
| 02009-4350 |
I 265 |
|
2008 |
27 |
224 |
0.6 |
8.63 |
9.64 |
F7V |
OD |
020052.92-434951.4 |
| 02009-4350 |
I 265 |
|
2014 |
28 |
227 |
0.6 |
8.63 |
9.64 |
F7V |
O |
020052.92-434951.4 |
If you need more information about this double, apply for a
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WDS 02009-4350 I 265 (HD 12439) : VISUAL OBSERVATIONS REPORTS
No records found.
WDS 02009-4350 I 265 (HD 12439) : MEASURES
No records found.
WDS 02009-4350 (HD 12439) : VIRTUAL EYEPIECE
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Pass over with the mouse cursor to display the catalog designation.
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WDS 02009-4350 (HD 12439) : ALADIN DSS IMAGE @
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.
