00142-0712 MSH 1 (HD 984)
00h 14m 10.25s -07° 11' 56.8" P.A. 52.00 sep 0.2 mag 6.07,12.19 Sp F7V+M6.0 dist. 47.15 pc (153.8 l.y.)
| Coord 2000 |
00142-0712 |
|
Discov num |
MSH 1 |
|
Comp |
|
|
Coord arcsec 2000 |
00 14 10.25 -07 11 56.8 |
|
| Date first |
2012 |
|
Date last |
2020 |
|
Obs |
7 |
|
| Pa first |
109 |
|
Pa last |
51.6 |
|
P.A. Now (θ) |
51.6° |
|
| Sep first |
0.2 |
|
Sep last |
0.243 |
|
Sep. Now (ρ) |
0.243" |
|
| Mag pri |
6.07 |
|
Mag sec |
12.19 |
|
delta mag (ΔM) |
6.12 |
|
Spectral class |
F7V+M6.0 (yellow-white/red) |
|
| Pri motion ra |
+103 |
|
Sec motion ra |
|
|
| Pri motion dec |
-066 |
|
Sec motion dec |
|
|
| Notes |
N
O
K
(See Notes, Orbital solution, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 984 |
|
Constellation |
Cetus |
|
SAO |
128650 |
|
HIP |
1134 |
|
| Tycho2 |
4670-00773-1 |
|
Gaia DR2 |
2431157720981843200 |
|
HD |
984 |
|
BD |
BD-08 24 |
|
| Distance |
47.15 |
|
Distance ly |
153.8 |
|
ORBITAL ELEMENTS
| Period (P) | 67.5y | ± 43 |
Periastron (T) | 71274.805d9 | ± 999.99 |
Semi-major axis (a) | 383.3386m1 | ± 76.4257 |
| Eccentricity (e) | 0.23 | ± 0.23 |
Inclination (i) | 120° | ± 7.3 |
Longitude of periastron (ω) | 111° | ± 69 |
| Node (Ω) | 26.5° | ± 16 |
Notes | n | |
Reference | Bwl2020 | |
| Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
35.5 |
409.099 |
| 2001 |
33.2 |
408.745 |
| 2002 |
30.9 |
406.289 |
| 2003 |
28.6 |
401.615 |
| 2004 |
26.2 |
394.619 |
| 2005 |
23.7 |
385.211 |
| 2006 |
21.0 |
373.328 |
| 2007 |
18.2 |
358.936 |
| 2008 |
15.1 |
342.050 |
| 2009 |
11.6 |
322.747 |
| 2010 |
7.7 |
301.198 |
| 2011 |
3.2 |
277.702 |
| 2012 |
357.7 |
252.751 |
| 2013 |
351.1 |
227.116 |
| 2014 |
342.8 |
201.985 |
| 2015 |
332.2 |
179.144 |
| 2016 |
318.9 |
161.098 |
| 2017 |
303.0 |
150.804 |
| 2018 |
286.0 |
150.497 |
| 2019 |
270.1 |
160.176 |
| 2020 |
256.6 |
177.549 |
| 2021 |
245.8 |
199.513 |
| 2022 |
237.2 |
223.368 |
| 2023 |
230.3 |
247.142 |
| 2024 |
224.6 |
269.490 |
| 2025 |
219.7 |
289.540 |
| 2026 |
215.4 |
306.755 |
| 2027 |
211.6 |
320.848 |
| 2028 |
208.0 |
331.713 |
| 2029 |
204.6 |
339.377 |
| 2030 |
201.3 |
343.964 |
| 2031 |
198.1 |
345.663 |
| 2032 |
194.9 |
344.713 |
| 2033 |
191.7 |
341.383 |
| 2034 |
188.4 |
335.965 |
| 2035 |
184.9 |
328.766 |
| 2036 |
181.3 |
320.104 |
| 2037 |
177.5 |
310.310 |
| 2038 |
173.4 |
299.727 |
| 2039 |
169.0 |
288.708 |
| 2040 |
164.2 |
277.627 |
| 2041 |
159.1 |
266.868 |
| 2042 |
153.5 |
256.832 |
| 2043 |
147.5 |
247.923 |
| 2044 |
141.1 |
240.533 |
| 2045 |
134.3 |
235.022 |
| 2046 |
127.3 |
231.684 |
| 2047 |
120.2 |
230.714 |
| 2048 |
113.0 |
232.189 |
| 2049 |
106.1 |
236.057 |
| 2050 |
99.4 |
242.149 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
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