00135-3650 HDS 32
00h 13m 29.10s -36° 49' 43.0" P.A. 284.00 sep 0.2 mag 11.35,11.93 Sp M0.5V dist. 28.18 pc (91.92 l.y.)
| Coord 2000 |
00135-3650 |
|
Discov num |
HDS 32 |
|
Comp |
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Coord arcsec 2000 |
00 13 29.10 -36 49 43.0 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
10 |
|
| Pa first |
282 |
|
Pa last |
283.9 |
|
P.A. Now (θ) |
255.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.21 |
|
Sep. Now (ρ) |
0.194" |
|
| Mag pri |
11.35 |
|
Mag sec |
11.93 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
M0.5V (red) |
|
| Pri motion ra |
-209 |
|
Sec motion ra |
|
|
| Pri motion dec |
-319 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sculptor |
|
HIP |
1083 |
|
Tycho2 |
6996-00077-3 |
|
CD |
CD-37 34 |
|
| Distance |
28.18 |
|
Distance ly |
91.92 |
|
ORBITAL ELEMENTS
| Period (P) | 15.34y | ± 0.35 |
Periastron (T) | 2009.45y | ± 0.73 |
Semi-major axis (a) | 0.229a | ± 0.016 |
| Eccentricity (e) | 0.25 | ± 0.08 |
Inclination (i) | 154.2° | ± 11.3 |
Longitude of periastron (ω) | 260.6° | ± 38.4 |
| Node (Ω) | 88.2° | ± 48.5 |
Notes | | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
37.0 |
0.259 |
| 2001 |
21.1 |
0.260 |
| 2002 |
5.1 |
0.258 |
| 2003 |
348.7 |
0.254 |
| 2004 |
331.8 |
0.249 |
| 2005 |
314.0 |
0.241 |
| 2006 |
294.6 |
0.229 |
| 2007 |
272.5 |
0.210 |
| 2008 |
244.9 |
0.184 |
| 2009 |
208.2 |
0.160 |
| 2010 |
164.3 |
0.158 |
| 2011 |
126.2 |
0.182 |
| 2012 |
98.5 |
0.212 |
| 2013 |
77.2 |
0.235 |
| 2014 |
59.0 |
0.250 |
| 2015 |
42.5 |
0.258 |
| 2016 |
26.5 |
0.260 |
| 2017 |
10.5 |
0.259 |
| 2018 |
354.3 |
0.256 |
| 2019 |
337.6 |
0.251 |
| 2020 |
320.2 |
0.244 |
| 2021 |
301.4 |
0.234 |
| 2022 |
280.4 |
0.217 |
| 2023 |
255.1 |
0.194 |
| 2024 |
221.9 |
0.167 |
| 2025 |
179.2 |
0.155 |
| 2026 |
137.9 |
0.172 |
| 2027 |
107.0 |
0.202 |
| 2028 |
83.9 |
0.229 |
| 2029 |
65.0 |
0.246 |
| 2030 |
48.0 |
0.256 |
| 2031 |
31.9 |
0.260 |
| 2032 |
16.0 |
0.259 |
| 2033 |
359.9 |
0.257 |
| 2034 |
343.4 |
0.253 |
| 2035 |
326.2 |
0.247 |
| 2036 |
308.0 |
0.238 |
| 2037 |
287.9 |
0.224 |
| 2038 |
264.4 |
0.203 |
| 2039 |
234.3 |
0.176 |
| 2040 |
194.4 |
0.156 |
| 2041 |
150.9 |
0.163 |
| 2042 |
116.4 |
0.192 |
| 2043 |
91.2 |
0.220 |
| 2044 |
71.1 |
0.241 |
| 2045 |
53.6 |
0.253 |
| 2046 |
37.3 |
0.259 |
| 2047 |
21.4 |
0.260 |
| 2048 |
5.4 |
0.258 |
| 2049 |
349.1 |
0.254 |
| 2050 |
332.2 |
0.249 |
|
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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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