08331-2436 BU 205 AB (HD 72626)
08h 33m 04.85s -24° 36' 24.8" P.A. 276.00 sep 0.6 mag 7.14,6.84 Sp A8IV dist. 72.62 pc (236.89 l.y.)
| Coord 2000 |
08331-2436 |
|
Discov num |
BU 205 |
|
Comp |
AB |
|
Coord arcsec 2000 |
08 33 04.85 -24 36 24.8 |
|
| Date first |
1874 |
|
Date last |
2021 |
|
Obs |
97 |
|
| Pa first |
310 |
|
Pa last |
275.9 |
|
P.A. Now (θ) |
273° |
|
| Sep first |
0.5 |
|
Sep last |
0.552 |
|
Sep. Now (ρ) |
0.552" |
|
| Mag pri |
7.14 |
|
Mag sec |
6.84 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
A8IV (white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-031 |
|
Sec motion dec |
-031 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
08331-2436 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 72626 |
176061 |
08 33 05 -24 36 25 |
BU 205 AB |
2021 |
97 |
276 |
0.6 |
7.14 |
6.84 |
0.30 |
Y |
<=== |
| Show |
|
176061 |
08 33 05 -24 36 25 |
BU 205 AB,C |
1999 |
3 |
356 |
29.6 |
6.30 |
14.00 |
7.70 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 72626 |
|
Constellation |
Pyxis |
|
SAO |
176061 |
|
HIP |
41949 |
|
| Tycho2 |
6574-02067-1 |
|
HD |
72626 |
|
HR |
3381 |
|
GC |
11724 |
|
| ADS |
6871 |
|
CD |
CD-24 7089 |
|
CP |
CP-24 3736 |
|
Distance |
72.62 |
|
| Distance ly |
236.89 |
|
ORBITAL ELEMENTS
| Period (P) | 140.56y | ± 2.45 |
Periastron (T) | 1953.67y | ± 1.25 |
Semi-major axis (a) | 0.526a | ± 0.003 |
| Eccentricity (e) | 0.269 | ± 0.015 |
Inclination (i) | 145.3° | ± 3 |
Longitude of periastron (ω) | 83° | ± 5 |
| Node (Ω) | 172.8° | ± 5 |
Notes | n | |
Reference | Doc2021d | |
| Equinox | | |
Last observation | 2018 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
314.0 |
0.567 |
| 2001 |
312.3 |
0.567 |
| 2002 |
310.5 |
0.567 |
| 2003 |
308.8 |
0.567 |
| 2004 |
307.0 |
0.567 |
| 2005 |
305.3 |
0.567 |
| 2006 |
303.5 |
0.566 |
| 2007 |
301.8 |
0.566 |
| 2008 |
300.0 |
0.565 |
| 2009 |
298.3 |
0.564 |
| 2010 |
296.5 |
0.564 |
| 2011 |
294.7 |
0.563 |
| 2012 |
293.0 |
0.562 |
| 2013 |
291.2 |
0.561 |
| 2014 |
289.4 |
0.560 |
| 2015 |
287.6 |
0.559 |
| 2016 |
285.8 |
0.558 |
| 2017 |
284.0 |
0.557 |
| 2018 |
282.2 |
0.556 |
| 2019 |
280.4 |
0.555 |
| 2020 |
278.6 |
0.554 |
| 2021 |
276.7 |
0.553 |
| 2022 |
274.9 |
0.552 |
| 2023 |
273.0 |
0.552 |
| 2024 |
271.2 |
0.551 |
| 2025 |
269.3 |
0.550 |
| 2026 |
267.5 |
0.549 |
| 2027 |
265.6 |
0.548 |
| 2028 |
263.8 |
0.548 |
| 2029 |
261.9 |
0.547 |
| 2030 |
260.0 |
0.546 |
|
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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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