10529-1717 HDS 1556 (HD 94310)
10h 52m 56.71s -17° 16' 38.3" P.A. 288.00 sep 0.2 mag 7.96,8.07 Sp G6V dist. 39.29 pc (128.16 l.y.)
| Coord 2000 |
10529-1717 |
|
Discov num |
HDS1556 |
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Comp |
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Coord arcsec 2000 |
10 52 56.71 -17 16 38.3 |
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| Date first |
1991 |
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Date last |
2020 |
|
Obs |
28 |
|
| Pa first |
109 |
|
Pa last |
287.5 |
|
P.A. Now (θ) |
284.5° |
|
| Sep first |
0.2 |
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Sep last |
0.201 |
|
Sep. Now (ρ) |
0.212" |
|
| Mag pri |
7.96 |
|
Mag sec |
8.07 |
|
delta mag (ΔM) |
0.11 |
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Spectral class |
G6V (yellow) |
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| Pri motion ra |
-174 |
|
Sec motion ra |
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| Pri motion dec |
+074 |
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Sec motion dec |
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| Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 94310 |
|
Constellation |
Crater |
|
SAO |
156295 |
|
HIP |
53206 |
|
| Tycho2 |
6076-00619-1 |
|
Gaia DR2 |
3556133690163715840 |
|
HD |
94310 |
|
BD |
BD-16 3142 |
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| Distance |
39.29 |
|
Distance ly |
128.16 |
|
ORBITAL ELEMENTS
| Period (P) | 14.95y | ± 0.26 |
Periastron (T) | 2003.6y | ± 0.22 |
Semi-major axis (a) | 0.1875a | ± 0.0056 |
| Eccentricity (e) | 0.553 | ± 0.032 |
Inclination (i) | 97° | ± 0.5 |
Longitude of periastron (ω) | 61.8° | ± 2.3 |
| Node (Ω) | 109.3° | ± 0.3 |
Notes | n | |
Reference | Tok2017b | |
| Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
145.9 |
0.047 |
| 2001 |
124.1 |
0.085 |
| 2002 |
115.4 |
0.113 |
| 2003 |
108.3 |
0.097 |
| 2004 |
324.3 |
0.019 |
| 2005 |
292.1 |
0.128 |
| 2006 |
288.7 |
0.186 |
| 2007 |
286.5 |
0.210 |
| 2008 |
284.6 |
0.212 |
| 2009 |
282.6 |
0.199 |
| 2010 |
280.2 |
0.176 |
| 2011 |
276.8 |
0.144 |
| 2012 |
271.2 |
0.106 |
| 2013 |
258.7 |
0.065 |
| 2014 |
213.9 |
0.032 |
| 2015 |
144.0 |
0.049 |
| 2016 |
123.5 |
0.086 |
| 2017 |
115.0 |
0.113 |
| 2018 |
107.9 |
0.094 |
| 2019 |
315.2 |
0.025 |
| 2020 |
291.9 |
0.132 |
| 2021 |
288.6 |
0.188 |
| 2022 |
286.4 |
0.210 |
| 2023 |
284.5 |
0.212 |
| 2024 |
282.5 |
0.198 |
| 2025 |
280.0 |
0.174 |
| 2026 |
276.6 |
0.142 |
| 2027 |
270.8 |
0.104 |
| 2028 |
257.6 |
0.063 |
| 2029 |
209.8 |
0.032 |
| 2030 |
142.2 |
0.050 |
| 2031 |
122.9 |
0.088 |
| 2032 |
114.7 |
0.114 |
| 2033 |
107.4 |
0.091 |
| 2034 |
309.7 |
0.031 |
| 2035 |
291.7 |
0.136 |
| 2036 |
288.5 |
0.190 |
| 2037 |
286.3 |
0.211 |
| 2038 |
284.4 |
0.211 |
| 2039 |
282.4 |
0.197 |
| 2040 |
279.9 |
0.173 |
| 2041 |
276.4 |
0.140 |
| 2042 |
270.4 |
0.102 |
| 2043 |
256.5 |
0.061 |
| 2044 |
205.5 |
0.031 |
| 2045 |
140.6 |
0.052 |
| 2046 |
122.4 |
0.090 |
| 2047 |
114.4 |
0.114 |
| 2048 |
106.8 |
0.087 |
| 2049 |
306.1 |
0.038 |
| 2050 |
291.4 |
0.140 |
|
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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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