02384-0125 A 450 (HD 16453)
02h 38m 25.25s -01° 24' 31.0" P.A. 186.00 sep 0.3 mag 8.49,10.19 Sp F2 dist. 295.86 pc (965.1 l.y.)
Coord 2000 |
02384-0125 |
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Discov num |
A 450 |
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Comp |
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Coord arcsec 2000 |
02 38 25.25 -01 24 31.0 |
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Date first |
1903 |
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Date last |
2008 |
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Obs |
23 |
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Pa first |
220 |
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Pa last |
185.7 |
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P.A. Now (θ) |
185.7° |
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Sep first |
0.4 |
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Sep last |
0.331 |
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Sep. Now (ρ) |
0.331" |
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Mag pri |
8.49 |
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Mag sec |
10.19 |
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delta mag (ΔM) |
1.7 |
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Spectral class |
F2 (yellow-white) |
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Pri motion ra |
+029 |
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Sec motion ra |
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Pri motion dec |
-004 |
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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
Name |
HD 16453 |
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Constellation |
Cetus |
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SAO |
130029 |
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HIP |
12301 |
|
Tycho2 |
4698-00946-1 |
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Gaia DR2 |
2496804749912414592 |
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HD |
16453 |
|
ADS |
2005 |
|
BD |
BD-02 456 |
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Distance |
295.86 |
|
Distance ly |
965.1 |
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ORBITAL ELEMENTS
Period (P) | 915y | |
Periastron (T) | 2060y | |
Semi-major axis (a) | 0.6a | |
Eccentricity (e) | 0.639 | |
Inclination (i) | 116.7° | |
Longitude of periastron (ω) | 252.2° | |
Node (Ω) | 1.4° | |
Notes | | |
Reference | USN2002 | |
Equinox | 2000 | |
Last observation | 1997 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
191.2 |
0.349 |
2001 |
190.8 |
0.347 |
2002 |
190.3 |
0.345 |
2003 |
189.9 |
0.343 |
2004 |
189.5 |
0.341 |
2005 |
189.1 |
0.339 |
2006 |
188.7 |
0.337 |
2007 |
188.2 |
0.335 |
2008 |
187.8 |
0.333 |
2009 |
187.3 |
0.330 |
2010 |
186.9 |
0.328 |
2011 |
186.4 |
0.325 |
2012 |
186.0 |
0.323 |
2013 |
185.5 |
0.320 |
2014 |
185.0 |
0.318 |
2015 |
184.5 |
0.315 |
2016 |
184.0 |
0.312 |
2017 |
183.5 |
0.309 |
2018 |
183.0 |
0.306 |
2019 |
182.5 |
0.303 |
2020 |
181.9 |
0.300 |
2021 |
181.4 |
0.297 |
2022 |
180.8 |
0.294 |
2023 |
180.3 |
0.290 |
2024 |
179.7 |
0.287 |
2025 |
179.1 |
0.283 |
2026 |
178.4 |
0.279 |
2027 |
177.8 |
0.276 |
2028 |
177.2 |
0.272 |
2029 |
176.5 |
0.268 |
2030 |
175.8 |
0.264 |
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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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