01250-3251 HDS 184
01h 25m 01.81s -32° 51' 04.0" P.A. 104.00 sep 0.2 mag 10.54,10.68 dist. 25.14 pc (82.01 l.y.)
Coord 2000 |
01250-3251 |
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Discov num |
HDS 184 |
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Comp |
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Coord arcsec 2000 |
01 25 01.81 -32 51 04.0 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
17 |
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Pa first |
287 |
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Pa last |
103.6 |
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P.A. Now (θ) |
111.9° |
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Sep first |
0.2 |
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Sep last |
0.213 |
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Sep. Now (ρ) |
0.185" |
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Mag pri |
10.54 |
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Mag sec |
10.68 |
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delta mag (ΔM) |
0.14 |
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Spectral class |
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Pri motion ra |
+233 |
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Sec motion ra |
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Pri motion dec |
+148 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sculptor |
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HIP |
6626 |
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Tycho2 |
7002-01728-1 |
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Gaia DR2 |
5016114746204345216 |
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GL |
GJ 1038 |
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CD |
CD-33 514 |
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CP |
CP-33 143 |
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Distance |
25.14 |
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Distance ly |
82.01 |
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ORBITAL ELEMENTS
Period (P) | 6.313y | ± 0.065 |
Periastron (T) | 2018.549y | ± 0.021 |
Semi-major axis (a) | 0.1445a | ± 0.001 |
Eccentricity (e) | 0.515 | ± 0.007 |
Inclination (i) | 73.9° | ± 0.8 |
Longitude of periastron (ω) | 165.8° | ± 2.1 |
Node (Ω) | 107.4° | ± 0.5 |
Notes | | |
Reference | Tok2019c | |
Equinox | | |
Last observation | 2018 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
308.3 |
0.056 |
2001 |
82.3 |
0.094 |
2002 |
97.9 |
0.182 |
2003 |
104.8 |
0.215 |
2004 |
111.4 |
0.188 |
2005 |
127.0 |
0.087 |
2006 |
287.9 |
0.071 |
2007 |
66.2 |
0.058 |
2008 |
94.9 |
0.160 |
2009 |
102.9 |
0.211 |
2010 |
109.1 |
0.204 |
2011 |
119.2 |
0.128 |
2012 |
262.0 |
0.044 |
2013 |
15.7 |
0.034 |
2014 |
90.8 |
0.133 |
2015 |
100.8 |
0.201 |
2016 |
107.1 |
0.213 |
2017 |
114.9 |
0.160 |
2018 |
164.3 |
0.033 |
2019 |
314.4 |
0.050 |
2020 |
84.2 |
0.101 |
2021 |
98.4 |
0.186 |
2022 |
105.2 |
0.216 |
2023 |
111.9 |
0.185 |
2024 |
129.5 |
0.079 |
2025 |
291.3 |
0.071 |
2026 |
70.7 |
0.065 |
2027 |
95.6 |
0.165 |
2028 |
103.3 |
0.212 |
2029 |
109.6 |
0.202 |
2030 |
120.3 |
0.121 |
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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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