02057-2423 WSI 71 Aa,Ab
02h 05m 41.51s -24° 22' 33.8" P.A. 283.00 sep 0.0 mag 9.27,9.50 Sp G9V+G9V dist. 46.64 pc (152.14 l.y.)
| Coord 2000 |
02057-2423 |
|
Discov num |
WSI 71 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
02 05 41.51 -24 22 33.8 |
|
| Date first |
2008 |
|
Date last |
2022 |
|
Obs |
24 |
|
| Pa first |
143 |
|
Pa last |
282.9 |
|
P.A. Now (θ) |
282.9° |
|
| Sep first |
0.0 |
|
Sep last |
0.046 |
|
Sep. Now (ρ) |
0.046" |
|
| Mag pri |
9.27 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
0.23 |
|
Spectral class |
G9V+G9V (yellow/yellow) |
|
| Pri motion ra |
+419 |
|
Sec motion ra |
|
|
| Pri motion dec |
-064 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
02057-2423 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
02 05 42 -24 22 34 |
WSI 71 Aa,Ab |
2022 |
24 |
283 |
0.0 |
9.27 |
9.50 |
0.23 |
Y |
<=== |
| Show |
HD 12889 |
167545 |
02 05 42 -24 22 34 |
I 454 AB |
2022 |
46 |
170 |
0.5 |
8.62 |
11.32 |
2.70 |
Y |
|
| Show |
|
167545 |
02 05 42 -24 22 34 |
I 454 AB,C |
2015 |
19 |
257 |
56.6 |
8.62 |
8.96 |
0.34 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Fornax |
|
HIP |
9774 |
|
Tycho2 |
6430-00057-1 |
|
HD |
12889 |
|
| ADS |
1652 |
|
CD |
CD-24 891 |
|
CP |
CP-24 237 |
|
Distance |
46.64 |
|
| Distance ly |
152.14 |
|
ORBITAL ELEMENTS
| Period (P) | 2.582y | ± 0.003 |
Periastron (T) | 2010.917y | ± 0.015 |
Semi-major axis (a) | 0.048a | ± 0.003 |
| Eccentricity (e) | 0.769 | ± 0.015 |
Inclination (i) | 75.9° | ± 4 |
Longitude of periastron (ω) | 287.9° | ± 1.5 |
| Node (Ω) | 127.2° | ± 4.6 |
Notes | n | |
Reference | Tok2014b | |
| Equinox | 2000 | |
Last observation | 2012 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
291.7 |
0.046 |
| 2001 |
168.5 |
0.019 |
| 2002 |
275.2 |
0.036 |
| 2003 |
304.4 |
0.031 |
| 2004 |
232.8 |
0.019 |
| 2005 |
287.8 |
0.045 |
| 2006 |
149.6 |
0.022 |
| 2007 |
268.0 |
0.031 |
| 2008 |
298.3 |
0.041 |
| 2009 |
208.0 |
0.017 |
| 2010 |
283.5 |
0.042 |
| 2011 |
131.7 |
0.019 |
| 2012 |
258.1 |
0.026 |
| 2013 |
293.9 |
0.045 |
| 2014 |
181.3 |
0.018 |
| 2015 |
278.5 |
0.039 |
| 2016 |
312.0 |
0.018 |
| 2017 |
243.5 |
0.022 |
| 2018 |
290.0 |
0.046 |
| 2019 |
159.4 |
0.021 |
| 2020 |
272.2 |
0.034 |
| 2021 |
301.2 |
0.037 |
| 2022 |
222.3 |
0.018 |
| 2023 |
285.9 |
0.044 |
| 2024 |
142.0 |
0.022 |
| 2025 |
264.0 |
0.029 |
| 2026 |
296.2 |
0.044 |
| 2027 |
195.7 |
0.017 |
| 2028 |
281.3 |
0.041 |
| 2029 |
106.5 |
0.007 |
| 2030 |
252.2 |
0.024 |
| 2031 |
292.1 |
0.046 |
| 2032 |
170.6 |
0.019 |
| 2033 |
275.8 |
0.037 |
| 2034 |
305.3 |
0.029 |
| 2035 |
234.9 |
0.020 |
| 2036 |
288.2 |
0.045 |
| 2037 |
151.2 |
0.022 |
| 2038 |
268.8 |
0.032 |
| 2039 |
298.7 |
0.041 |
| 2040 |
210.6 |
0.017 |
| 2041 |
283.9 |
0.043 |
| 2042 |
133.8 |
0.020 |
| 2043 |
259.2 |
0.027 |
| 2044 |
294.3 |
0.045 |
| 2045 |
183.8 |
0.018 |
| 2046 |
279.0 |
0.039 |
| 2047 |
314.9 |
0.015 |
| 2048 |
245.2 |
0.022 |
| 2049 |
290.3 |
0.046 |
| 2050 |
161.2 |
0.020 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
