03095+4544 HDS 404
03h 09m 30.81s +45° 43' 58.3" P.A. 20.00 sep 0.5 mag 10.32,12.50 Sp M2V+M4 dist. 15.76 pc (51.41 l.y.)
Coord 2000 |
03095+4544 |
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Discov num |
HDS 404 |
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Comp |
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Coord arcsec 2000 |
03 09 30.81 +45 43 58.3 |
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Date first |
1991 |
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Date last |
2017 |
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Obs |
24 |
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Pa first |
23 |
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Pa last |
20.2 |
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P.A. Now (θ) |
12.3° |
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Sep first |
0.4 |
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Sep last |
0.51 |
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Sep. Now (ρ) |
0.64" |
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Mag pri |
10.32 |
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Mag sec |
12.50 |
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delta mag (ΔM) |
2.18 |
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Spectral class |
M2V+M4 (red/red) |
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Pri motion ra |
-429 |
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Sec motion ra |
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Pri motion dec |
-385 |
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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
Constellation |
Perseus |
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HIP |
14669 |
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Tycho2 |
3310-00917-1 |
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Gaia DR2 |
434690036551517952 |
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GL |
Gl 125 |
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Distance |
15.76 |
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Distance ly |
51.41 |
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ORBITAL ELEMENTS
Period (P) | 25.67y | ± 0.2 |
Periastron (T) | 64226d (2034.721y) | ± 74 |
Semi-major axis (a) | 534.5m | ± 2.3 |
Eccentricity (e) | 0.2271 | ± 0.0044 |
Inclination (i) | 97.186° | ± 0.026 |
Longitude of periastron (ω) | 181.38° | ± 0.36 |
Node (Ω) | 13.732° | ± 0.082 |
Notes | n | |
Reference | MnA2019 | |
Equinox | | |
Last observation | 2016 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
8.4 |
0.499 |
2001 |
6.0 |
0.411 |
2002 |
2.2 |
0.308 |
2003 |
354.0 |
0.192 |
2004 |
321.8 |
0.082 |
2005 |
230.1 |
0.102 |
2006 |
207.6 |
0.215 |
2007 |
200.6 |
0.318 |
2008 |
196.7 |
0.389 |
2009 |
193.7 |
0.413 |
2010 |
190.7 |
0.386 |
2011 |
186.7 |
0.313 |
2012 |
179.3 |
0.208 |
2013 |
154.0 |
0.094 |
2014 |
59.7 |
0.089 |
2015 |
32.1 |
0.203 |
2016 |
24.6 |
0.319 |
2017 |
21.0 |
0.422 |
2018 |
18.8 |
0.508 |
2019 |
17.1 |
0.576 |
2020 |
15.8 |
0.623 |
2021 |
14.6 |
0.650 |
2022 |
13.4 |
0.655 |
2023 |
12.3 |
0.640 |
2024 |
11.0 |
0.604 |
2025 |
9.5 |
0.548 |
2026 |
7.7 |
0.472 |
2027 |
5.0 |
0.379 |
2028 |
0.2 |
0.271 |
2029 |
348.5 |
0.154 |
2030 |
289.9 |
0.064 |
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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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