00263-4218 CRU 9004 (Ankaa)
00h 26m 17.05s -42° 18' 21.6" P.A. 132.00 sep 183.0 mag 2.40,9.40 Sp K0.5IIIb dist. 25.97 pc (84.71 l.y.)
Coord 2000 |
00263-4218 |
|
Discov num |
CRU9004 |
|
Comp |
|
|
Coord arcsec 2000 |
00 26 17.05 -42 18 21.6 |
|
Date first |
1879 |
|
Date last |
2010 |
|
Obs |
4 |
|
Pa first |
141 |
|
Pa last |
132.3 |
|
P.A. Now (θ) |
132.3° |
|
Sep first |
249.7 |
|
Sep last |
183.04 |
|
Sep. Now (ρ) |
183.04" |
|
Mag pri |
2.40 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
7 |
|
Spectral class |
K0.5IIIb (yellow-orange) |
|
Pri motion ra |
+233 |
|
Sec motion ra |
+030 |
|
Pri motion dec |
-356 |
|
Sec motion dec |
+002 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=0.967
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Common name |
Ankaa |
|
Constellation |
Phoenix |
|
SAO |
215093 |
|
HIP |
2081 |
|
Tycho2 |
7527-01031-1 |
|
HD |
2261 |
|
HR |
99 |
|
GC |
519 |
|
CD |
CD-42 116 |
|
CP |
CP-42 34 |
|
Bayer |
Alpha Phoenicis |
|
Bayer name |
Alp Phe |
|
FK5 |
12 |
|
Distance |
25.97 |
|
Distance ly |
84.71 |
|
Bayer greek |
α Phe |
|
ORBITAL ELEMENTS SOLUTION #1
Period (P) | 3848.8d (10.54y) | |
Periastron (T) | 16201.8d (1903.235y) | |
Semi-major axis (a) | 103.5m | ± 8.2 |
Eccentricity (e) | 0.34 | |
Inclination (i) | 128° | ± 5.4 |
Longitude of periastron (ω) | 19.8° | |
Node (Ω) | 242.8° | ± 3.9 |
Notes | n | |
Reference | Jnc2005 | |
Equinox | | |
Last observation | 1992 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
104.0 |
0.077 |
2001 |
79.9 |
0.112 |
2002 |
65.9 |
0.132 |
2003 |
54.3 |
0.136 |
2004 |
42.0 |
0.125 |
2005 |
25.6 |
0.102 |
2006 |
357.7 |
0.075 |
2007 |
307.9 |
0.061 |
2008 |
257.6 |
0.070 |
2009 |
208.6 |
0.057 |
2010 |
130.2 |
0.057 |
2011 |
90.6 |
0.095 |
2012 |
72.8 |
0.123 |
2013 |
60.4 |
0.136 |
2014 |
48.9 |
0.132 |
2015 |
35.3 |
0.116 |
2016 |
14.9 |
0.089 |
2017 |
337.3 |
0.065 |
2018 |
282.7 |
0.064 |
2019 |
237.3 |
0.068 |
2020 |
172.9 |
0.049 |
2021 |
106.8 |
0.074 |
2022 |
81.2 |
0.110 |
2023 |
66.8 |
0.131 |
2024 |
55.2 |
0.136 |
2025 |
43.0 |
0.126 |
2026 |
27.1 |
0.104 |
2027 |
0.5 |
0.076 |
2028 |
312.1 |
0.061 |
2029 |
260.9 |
0.069 |
2030 |
213.3 |
0.059 |
2031 |
135.3 |
0.055 |
2032 |
92.4 |
0.092 |
2033 |
73.9 |
0.122 |
2034 |
61.3 |
0.135 |
2035 |
49.8 |
0.133 |
2036 |
36.4 |
0.117 |
2037 |
16.9 |
0.091 |
2038 |
341.0 |
0.066 |
2039 |
286.6 |
0.064 |
2040 |
240.7 |
0.069 |
2041 |
179.3 |
0.050 |
2042 |
109.9 |
0.071 |
2043 |
82.5 |
0.108 |
2044 |
67.7 |
0.130 |
2045 |
56.0 |
0.136 |
2046 |
44.0 |
0.127 |
2047 |
28.6 |
0.106 |
2048 |
3.2 |
0.078 |
2049 |
316.4 |
0.061 |
2050 |
264.2 |
0.069 |
|
|

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|

Measures: green=micrometric, blue=interferometric, purple=photographic |
|
ORBITAL ELEMENTS SOLUTION #2
Period (P) | 46.1512d | ± 0.0002 |
Periastron (T) | 54324.14d (2007.61y) | ± 0.03 |
Semi-major axis (a) | 2.5m | ± 0.5 |
Eccentricity (e) | 0.285 | ± 0.001 |
Inclination (i) | 166.5° | ± 2.6 |
Longitude of periastron (ω) | 320.6° | ± 0.3 |
Node (Ω) | 270.2° | ± 11.2 |
Notes | | |
Reference | SaJ2011 | |
Equinox | | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
63.8 |
0.003 |
2001-01-01 |
87.7 |
0.003 |
2002-01-01 |
107.4 |
0.003 |
2003-01-01 |
125.4 |
0.003 |
2004-01-01 |
143.5 |
0.003 |
2005-01-01 |
163.2 |
0.003 |
2006-01-01 |
186.2 |
0.003 |
2007-01-01 |
215.6 |
0.002 |
2008-01-01 |
255.5 |
0.002 |
2009-01-01 |
308.5 |
0.002 |
2010-01-01 |
3.7 |
0.002 |
2011-01-01 |
44.8 |
0.002 |
2012-01-01 |
73.3 |
0.003 |
2013-01-01 |
95.2 |
0.003 |
2014-01-01 |
114.1 |
0.003 |
2015-01-01 |
132.0 |
0.003 |
2016-01-01 |
150.5 |
0.003 |
2017-01-01 |
171.1 |
0.003 |
2018-01-01 |
196.1 |
0.003 |
2019-01-01 |
228.8 |
0.002 |
2020-01-01 |
273.5 |
0.002 |
2021-01-01 |
329.7 |
0.002 |
2022-01-01 |
20.6 |
0.002 |
2023-01-01 |
56.3 |
0.002 |
2024-01-01 |
81.9 |
0.003 |
2025-01-01 |
102.4 |
0.003 |
2026-01-01 |
120.7 |
0.003 |
2027-01-01 |
138.6 |
0.003 |
2028-01-01 |
157.7 |
0.003 |
2029-01-01 |
179.6 |
0.003 |
2030-01-01 |
207.0 |
0.002 |
2031-01-01 |
243.6 |
0.002 |
2032-01-01 |
293.4 |
0.002 |
2033-01-01 |
350.1 |
0.002 |
2034-01-01 |
35.4 |
0.002 |
2035-01-01 |
66.6 |
0.003 |
2036-01-01 |
89.8 |
0.003 |
2037-01-01 |
109.3 |
0.003 |
2038-01-01 |
127.3 |
0.003 |
2039-01-01 |
145.4 |
0.003 |
2040-01-01 |
165.3 |
0.003 |
2041-01-01 |
188.9 |
0.003 |
2042-01-01 |
219.1 |
0.002 |
2043-01-01 |
260.3 |
0.002 |
2044-01-01 |
314.4 |
0.002 |
2045-01-01 |
8.6 |
0.002 |
2046-01-01 |
48.1 |
0.002 |
2047-01-01 |
75.8 |
0.003 |
2048-01-01 |
97.2 |
0.003 |
2049-01-01 |
115.9 |
0.003 |
2050-01-01 |
133.8 |
0.003 |
|
|

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|

Measures: green=micrometric, blue=interferometric, purple=photographic |
|