04409-4230 HDS 603 (HD 29919)
04h 40m 56.10s -42° 30' 03.6" P.A. 260.00 sep 0.1 mag 9.24,10.37 Sp F6V dist. 203.67 pc (664.37 l.y.)
Coord 2000 |
04409-4230 |
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Discov num |
HDS 603 |
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Comp |
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Coord arcsec 2000 |
04 40 56.10 -42 30 03.6 |
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Date first |
1991 |
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Date last |
2021 |
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Obs |
9 |
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Pa first |
29 |
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Pa last |
259.6 |
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P.A. Now (θ) |
259.6° |
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Sep first |
0.2 |
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Sep last |
0.084 |
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Sep. Now (ρ) |
0.084" |
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Mag pri |
9.24 |
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Mag sec |
10.37 |
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delta mag (ΔM) |
1.13 |
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Spectral class |
F6V (yellow-white) |
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Pri motion ra |
+002 |
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Sec motion ra |
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Pri motion dec |
+014 |
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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 29919 |
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Constellation |
Caelum |
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SAO |
216930 |
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HIP |
21794 |
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Tycho2 |
7592-01209-1 |
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Gaia DR2 |
4814868452912672384 |
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HD |
29919 |
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CD |
CD-42 1589 |
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CP |
CP-42 514 |
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Distance |
203.67 |
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Distance ly |
664.37 |
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ORBITAL ELEMENTS
Period (P) | 90y | |
Periastron (T) | 2014.09y | |
Semi-major axis (a) | 0.129a | |
Eccentricity (e) | 0.567 | |
Inclination (i) | 35° | |
Longitude of periastron (ω) | 118.1° | |
Node (Ω) | 52.4° | |
Notes | | |
Reference | Tok2021c | |
Equinox | 2000 | |
Last observation | 2021 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
47.9 |
0.127 |
2001 |
50.8 |
0.122 |
2002 |
53.9 |
0.117 |
2003 |
57.4 |
0.111 |
2004 |
61.3 |
0.105 |
2005 |
65.6 |
0.098 |
2006 |
70.7 |
0.091 |
2007 |
76.6 |
0.084 |
2008 |
83.6 |
0.076 |
2009 |
92.3 |
0.068 |
2010 |
103.2 |
0.061 |
2011 |
116.9 |
0.054 |
2012 |
133.9 |
0.049 |
2013 |
153.6 |
0.047 |
2014 |
173.7 |
0.048 |
2015 |
192.0 |
0.052 |
2016 |
207.4 |
0.057 |
2017 |
220.1 |
0.062 |
2018 |
230.7 |
0.068 |
2019 |
239.6 |
0.073 |
2020 |
247.4 |
0.078 |
2021 |
254.3 |
0.083 |
2022 |
260.5 |
0.087 |
2023 |
266.1 |
0.092 |
2024 |
271.3 |
0.095 |
2025 |
276.0 |
0.099 |
2026 |
280.4 |
0.103 |
2027 |
284.5 |
0.106 |
2028 |
288.4 |
0.109 |
2029 |
292.0 |
0.113 |
2030 |
295.5 |
0.116 |
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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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