13145-2417 FIN 297 AB
13h 14m 27.58s -24° 17' 03.4" P.A. 194.00 sep 0.1 mag 7.51,7.48 Sp F0V dist. 100.1 pc (326.53 l.y.)
Coord 2000 |
13145-2417 |
|
Discov num |
FIN 297 |
|
Comp |
AB |
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Coord arcsec 2000 |
13 14 27.58 -24 17 03.4 |
|
Date first |
1931 |
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Date last |
2020 |
|
Obs |
55 |
|
Pa first |
333 |
|
Pa last |
194.4 |
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P.A. Now (θ) |
215.7° |
|
Sep first |
0.3 |
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Sep last |
0.098 |
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Sep. Now (ρ) |
0.125" |
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Mag pri |
7.51 |
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Mag sec |
7.48 |
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delta mag (ΔM) |
0.03 |
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Spectral class |
F0V (yellow-white) |
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Pri motion ra |
-071 |
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Sec motion ra |
|
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Pri motion dec |
+011 |
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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.
13145-2417 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
181476 |
13 14 28 -24 17 03 |
FIN 297 AB |
2020 |
55 |
194 |
0.1 |
7.51 |
7.48 |
0.03 |
Y |
<=== |
Show |
|
181476 |
13 14 28 -24 17 03 |
STN 28 AB,C |
2015 |
15 |
331 |
12.3 |
6.72 |
11.54 |
4.82 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hydra |
|
SAO |
181476 |
|
HIP |
64603 |
|
Tycho2 |
6699-00595-1 |
|
Gaia DR2 |
6194009389692803584 |
|
HD |
114993 |
|
GC |
17922 |
|
ADS |
8831 |
|
CD |
CD-2310974 |
|
CP |
CP-23 5710 |
|
Distance |
100.1 |
|
Distance ly |
326.53 |
|
ORBITAL ELEMENTS
Period (P) | 60.61y | ± 0.25 |
Periastron (T) | 1957.5y | ± 0.27 |
Semi-major axis (a) | 246.2m | ± 1.2 |
Eccentricity (e) | 0.7323 | ± 0.0049 |
Inclination (i) | 67.58° | ± 0.14 |
Longitude of periastron (ω) | 111.22° | ± 0.35 |
Node (Ω) | 10.74° | ± 0.14 |
Notes | n | |
Reference | Mdz2021 | |
Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
345.6 |
0.262 |
2001 |
346.9 |
0.263 |
2002 |
348.3 |
0.263 |
2003 |
349.6 |
0.262 |
2004 |
351.0 |
0.260 |
2005 |
352.4 |
0.258 |
2006 |
353.8 |
0.254 |
2007 |
355.3 |
0.249 |
2008 |
356.8 |
0.243 |
2009 |
358.5 |
0.235 |
2010 |
0.2 |
0.226 |
2011 |
2.2 |
0.214 |
2012 |
4.4 |
0.199 |
2013 |
6.9 |
0.181 |
2014 |
10.2 |
0.159 |
2015 |
14.6 |
0.131 |
2016 |
21.9 |
0.096 |
2017 |
40.8 |
0.051 |
2018 |
135.9 |
0.030 |
2019 |
181.5 |
0.070 |
2020 |
194.6 |
0.099 |
2021 |
202.8 |
0.113 |
2022 |
209.5 |
0.121 |
2023 |
215.7 |
0.125 |
2024 |
221.6 |
0.126 |
2025 |
227.5 |
0.126 |
2026 |
233.4 |
0.126 |
2027 |
239.2 |
0.126 |
2028 |
245.2 |
0.126 |
2029 |
251.1 |
0.126 |
2030 |
257.0 |
0.127 |
|
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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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