02399+0009 A 1928 (HD 16619)
02h 39m 51.75s +00° 08' 48.1" P.A. 244.00 sep 0.2 mag 8.60,8.60 Sp G0 dist. 70.22 pc (229.06 l.y.)
Coord 2000 |
02399+0009 |
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Discov num |
A 1928 |
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Comp |
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Coord arcsec 2000 |
02 39 51.75 +00 08 48.1 |
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Date first |
1908 |
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Date last |
2019 |
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Obs |
70 |
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Pa first |
223 |
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Pa last |
243.6 |
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P.A. Now (θ) |
271.4° |
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Sep first |
0.2 |
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Sep last |
0.208 |
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Sep. Now (ρ) |
0.138" |
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Mag pri |
8.60 |
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Mag sec |
8.60 |
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delta mag (ΔM) |
0 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
+062 |
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Sec motion ra |
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Pri motion dec |
-178 |
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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 16619 |
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Constellation |
Cetus |
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SAO |
130042 |
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HIP |
12421 |
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Tycho2 |
0046-01377-1 |
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Gaia DR2 |
2498764556374263680 |
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HD |
16619 |
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GC |
3203 |
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ADS |
2028 |
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BD |
BD-00 407 |
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Distance |
70.22 |
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Distance ly |
229.06 |
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ORBITAL ELEMENTS
Period (P) | 17.92y | ± 0.2 |
Periastron (T) | 2009.17y | ± 0.3 |
Semi-major axis (a) | 0.138a | ± 0.001 |
Eccentricity (e) | 0.463 | ± 0.003 |
Inclination (i) | 45.1° | ± 2 |
Longitude of periastron (ω) | 354.1° | ± 10 |
Node (Ω) | 58.9° | ± 6 |
Notes | n | |
Reference | Doc2009g | |
Equinox | 2000 | |
Last observation | 1999 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
233.5 |
0.201 |
2001 |
239.4 |
0.201 |
2002 |
245.5 |
0.195 |
2003 |
252.2 |
0.183 |
2004 |
260.1 |
0.165 |
2005 |
270.4 |
0.141 |
2006 |
285.6 |
0.112 |
2007 |
311.8 |
0.083 |
2008 |
357.4 |
0.067 |
2009 |
47.2 |
0.073 |
2010 |
91.0 |
0.073 |
2011 |
136.2 |
0.076 |
2012 |
170.3 |
0.095 |
2013 |
191.0 |
0.122 |
2014 |
204.2 |
0.148 |
2015 |
213.7 |
0.169 |
2016 |
221.4 |
0.185 |
2017 |
227.9 |
0.196 |
2018 |
234.0 |
0.201 |
2019 |
239.9 |
0.200 |
2020 |
246.0 |
0.194 |
2021 |
252.8 |
0.181 |
2022 |
260.8 |
0.163 |
2023 |
271.4 |
0.138 |
2024 |
287.1 |
0.109 |
2025 |
314.6 |
0.080 |
2026 |
1.6 |
0.067 |
2027 |
50.8 |
0.073 |
2028 |
94.7 |
0.073 |
2029 |
139.5 |
0.077 |
2030 |
172.4 |
0.097 |
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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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