02039-4525 RST 2272 AB (HD 12759)
02h 03m 55.25s -45° 24' 46.5" P.A. 245.00 sep 1.6 mag 7.37,11.66 Sp G3V dist. 48.92 pc (159.58 l.y.)
| Coord 2000 |
02039-4525 |
|
Discov num |
RST2272 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 03 55.25 -45 24 46.5 |
|
| Date first |
1932 |
|
Date last |
2021 |
|
Obs |
36 |
|
| Pa first |
178 |
|
Pa last |
245.1 |
|
P.A. Now (θ) |
245.1° |
|
| Sep first |
1.0 |
|
Sep last |
1.552 |
|
Sep. Now (ρ) |
1.552" |
|
| Mag pri |
7.37 |
|
Mag sec |
11.66 |
|
delta mag (ΔM) |
4.29 |
|
Spectral class |
G3V (yellow) |
|
| Pri motion ra |
+328 |
|
Sec motion ra |
+309 |
|
| Pri motion dec |
+052 |
|
Sec motion dec |
+065 |
|
| Notes |
N
O
W
V
(See Notes, Orbital solution, , Proper motion indicates physical) |
|
rPM=0.069 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 12759 |
|
Constellation |
Phoenix |
|
SAO |
215754 |
|
HIP |
9642 |
|
| Tycho2 |
8042-00581-1 |
|
HD |
12759 |
|
GC |
2500 |
|
GL |
Gl 83.4A |
|
| CD |
CD-46 604 |
|
CP |
CP-46 204 |
|
Distance |
48.92 |
|
Distance ly |
159.58 |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 02039-4525 RST2272 |
| coord_arcsec_2000 | 020355.25-452446.5 |
| Period (P) | 415y | |
Periastron (T) | 2327.57y | |
Semi-major axis (a) | 1.659a | |
| Eccentricity (e) | 0.2645 | |
Inclination (i) | 36° | |
Longitude of periastron (ω) | 175.5° | |
| Node (Ω) | 301.3° | |
Notes | | |
Reference | Tok2016b | |
| Equinox | 2000 | |
Last observation | 2015 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
225.8 |
1.363 |
| 2001 |
226.8 |
1.371 |
| 2002 |
227.8 |
1.378 |
| 2003 |
228.7 |
1.386 |
| 2004 |
229.7 |
1.394 |
| 2005 |
230.6 |
1.402 |
| 2006 |
231.6 |
1.410 |
| 2007 |
232.5 |
1.418 |
| 2008 |
233.4 |
1.426 |
| 2009 |
234.4 |
1.434 |
| 2010 |
235.3 |
1.442 |
| 2011 |
236.1 |
1.451 |
| 2012 |
237.0 |
1.459 |
| 2013 |
237.9 |
1.467 |
| 2014 |
238.8 |
1.476 |
| 2015 |
239.6 |
1.484 |
| 2016 |
240.4 |
1.493 |
| 2017 |
241.3 |
1.502 |
| 2018 |
242.1 |
1.510 |
| 2019 |
242.9 |
1.519 |
| 2020 |
243.7 |
1.528 |
| 2021 |
244.5 |
1.536 |
| 2022 |
245.3 |
1.545 |
| 2023 |
246.1 |
1.554 |
| 2024 |
246.8 |
1.562 |
| 2025 |
247.6 |
1.571 |
| 2026 |
248.3 |
1.580 |
| 2027 |
249.1 |
1.589 |
| 2028 |
249.8 |
1.597 |
| 2029 |
250.6 |
1.606 |
| 2030 |
251.3 |
1.615 |
|
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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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