00321-0511 A 111 AB
00h 32m 08.28s -05° 10' 43.3" P.A. 279.00 sep 0.2 mag 9.40,9.40 Sp K0V dist. 46.1 pc (150.38 l.y.)
| Coord 2000 |
00321-0511 |
|
Discov num |
A 111 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 32 08.28 -05 10 43.3 |
|
| Date first |
1915 |
|
Date last |
2020 |
|
Obs |
77 |
|
| Pa first |
263 |
|
Pa last |
278.6 |
|
P.A. Now (θ) |
248.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.171 |
|
Sep. Now (ρ) |
0.15" |
|
| Mag pri |
9.40 |
|
Mag sec |
9.40 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
K0V (yellow-orange) |
|
| Pri motion ra |
+299 |
|
Sec motion ra |
|
|
| Pri motion dec |
-021 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
00321-0511 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
128813 |
00 32 08 -05 10 43 |
A 111 AB |
2020 |
77 |
279 |
0.2 |
9.40 |
9.40 |
0.00 |
Y |
<=== |
| Show |
HD 2880 |
128813 |
00 32 08 -05 10 43 |
A 111 AB,C |
2016 |
33 |
185 |
2.6 |
8.71 |
11.40 |
2.69 |
|
|
| Show |
|
128813 |
00 32 08 -05 10 43 |
A 111 AB,D |
2017 |
8 |
208 |
126.1 |
8.71 |
13.75 |
5.04 |
|
|
| Show |
|
128813 |
00 32 08 -05 10 43 |
SKF 293 AB,E |
2017 |
7 |
351 |
430.0 |
8.69 |
14.48 |
5.79 |
|
|
Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cetus |
|
SAO |
128813 |
|
HIP |
2533 |
|
Tycho2 |
4678-00309-1 |
|
| Gaia DR2 |
2527046061321024512 |
|
HD |
2880 |
|
GC |
633 |
|
ADS |
450 |
|
| BD |
BD-05 77 |
|
Distance |
46.1 |
|
Distance ly |
150.38 |
|
ORBITAL ELEMENTS
| Period (P) | 10.64y | ± 0.02 |
Periastron (T) | 2015.19y | ± 0.19 |
Semi-major axis (a) | 0.122a | ± 0.003 |
| Eccentricity (e) | 0.538 | ± 0.014 |
Inclination (i) | 155.7° | ± 4.2 |
Longitude of periastron (ω) | 101.6° | ± 14.9 |
| Node (Ω) | 206.5° | ± 18.5 |
Notes | n | |
Reference | Tok2015c | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 1 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
273.7 |
0.171 |
| 2001 |
259.8 |
0.162 |
| 2002 |
243.4 |
0.144 |
| 2003 |
220.1 |
0.113 |
| 2004 |
170.7 |
0.067 |
| 2005 |
49.0 |
0.065 |
| 2006 |
354.2 |
0.107 |
| 2007 |
328.1 |
0.136 |
| 2008 |
310.1 |
0.156 |
| 2009 |
295.4 |
0.168 |
| 2010 |
282.1 |
0.172 |
| 2011 |
268.8 |
0.168 |
| 2012 |
254.3 |
0.157 |
| 2013 |
236.2 |
0.135 |
| 2014 |
207.7 |
0.099 |
| 2015 |
131.0 |
0.053 |
| 2016 |
22.5 |
0.081 |
| 2017 |
343.3 |
0.119 |
| 2018 |
321.0 |
0.144 |
| 2019 |
304.6 |
0.161 |
| 2020 |
290.6 |
0.170 |
| 2021 |
277.4 |
0.172 |
| 2022 |
263.8 |
0.165 |
| 2023 |
248.4 |
0.150 |
| 2024 |
227.8 |
0.123 |
| 2025 |
190.4 |
0.081 |
| 2026 |
80.1 |
0.054 |
| 2027 |
4.8 |
0.096 |
| 2028 |
334.2 |
0.129 |
| 2029 |
314.7 |
0.151 |
| 2030 |
299.3 |
0.165 |
| 2031 |
285.8 |
0.171 |
| 2032 |
272.6 |
0.170 |
| 2033 |
258.6 |
0.161 |
| 2034 |
241.9 |
0.142 |
| 2035 |
217.6 |
0.110 |
| 2036 |
163.5 |
0.064 |
| 2037 |
42.0 |
0.068 |
| 2038 |
351.6 |
0.110 |
| 2039 |
326.5 |
0.138 |
| 2040 |
308.8 |
0.157 |
| 2041 |
294.3 |
0.168 |
| 2042 |
281.1 |
0.172 |
| 2043 |
267.7 |
0.168 |
| 2044 |
253.0 |
0.155 |
| 2045 |
234.5 |
0.132 |
| 2046 |
204.4 |
0.095 |
| 2047 |
119.8 |
0.052 |
| 2048 |
18.0 |
0.085 |
| 2049 |
341.2 |
0.121 |
| 2050 |
319.6 |
0.146 |
|
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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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