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 |
|
Discov num |
HDS 603 |
|
Comp |
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Coord arcsec 2000 |
04 40 56.10 -42 30 03.6 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
9 |
|
| Pa first |
29 |
|
Pa last |
259.6 |
|
P.A. Now (θ) |
259.6° |
|
| Sep first |
0.2 |
|
Sep last |
0.084 |
|
Sep. Now (ρ) |
0.084" |
|
| Mag pri |
9.24 |
|
Mag sec |
10.37 |
|
delta mag (ΔM) |
1.13 |
|
Spectral class |
F6V (yellow-white) |
|
| Pri motion ra |
+002 |
|
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 |
|
Constellation |
Caelum |
|
SAO |
216930 |
|
HIP |
21794 |
|
| Tycho2 |
7592-01209-1 |
|
Gaia DR2 |
4814868452912672384 |
|
HD |
29919 |
|
CD |
CD-42 1589 |
|
| CP |
CP-42 514 |
|
Distance |
203.67 |
|
Distance ly |
664.37 |
|
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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