00519-4343 I 47 (HD 5042)
00h 51m 52.18s -43° 42' 32.3" P.A. 31.00 sep 0.6 mag 7.45,7.95 Sp F2V+F5V dist. 95.6 pc (311.85 l.y.)
Coord 2000 |
00519-4343 |
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Discov num |
I 47 |
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Comp |
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Coord arcsec 2000 |
00 51 52.18 -43 42 32.3 |
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Date first |
1895 |
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Date last |
2019 |
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Obs |
43 |
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Pa first |
0 |
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Pa last |
31.3 |
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P.A. Now (θ) |
31.3° |
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Sep first |
1.0 |
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Sep last |
0.602 |
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Sep. Now (ρ) |
0.602" |
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Mag pri |
7.45 |
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Mag sec |
7.95 |
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delta mag (ΔM) |
0.5 |
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Spectral class |
F2V+F5V (yellow-white/yellow-white) |
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Pri motion ra |
+031 |
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Sec motion ra |
+031 |
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Pri motion dec |
+002 |
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Sec motion dec |
+002 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 5042 |
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Constellation |
Phoenix |
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SAO |
215270 |
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HIP |
4049 |
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Tycho2 |
7538-00690-1 |
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Gaia DR2 |
4985607176887207552 |
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HD |
5042 |
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HR |
245 |
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GC |
1037 |
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CD |
CD-44 226 |
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CP |
CP-44 107 |
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Distance |
95.6 |
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Distance ly |
311.85 |
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ORBITAL ELEMENTS
Period (P) | 516.5y | ± 43.1 |
Periastron (T) | 1850.7y | ± 42.6 |
Semi-major axis (a) | 1.228a | ± 0.154 |
Eccentricity (e) | 0.112 | ± 0.026 |
Inclination (i) | 77° | ± 2.6 |
Longitude of periastron (ω) | 298.2° | ± 5.6 |
Node (Ω) | 4.5° | ± 1.8 |
Notes | | |
Reference | Cve2010e | |
Equinox | 2000 | |
Last observation | 2001 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
21.8 |
0.781 |
2001 |
22.2 |
0.772 |
2002 |
22.6 |
0.762 |
2003 |
23.0 |
0.752 |
2004 |
23.5 |
0.742 |
2005 |
23.9 |
0.732 |
2006 |
24.3 |
0.723 |
2007 |
24.8 |
0.713 |
2008 |
25.3 |
0.703 |
2009 |
25.7 |
0.693 |
2010 |
26.2 |
0.682 |
2011 |
26.7 |
0.672 |
2012 |
27.3 |
0.662 |
2013 |
27.8 |
0.652 |
2014 |
28.4 |
0.642 |
2015 |
29.0 |
0.632 |
2016 |
29.6 |
0.621 |
2017 |
30.2 |
0.611 |
2018 |
30.8 |
0.601 |
2019 |
31.5 |
0.591 |
2020 |
32.2 |
0.580 |
2021 |
32.9 |
0.570 |
2022 |
33.6 |
0.560 |
2023 |
34.4 |
0.550 |
2024 |
35.2 |
0.540 |
2025 |
36.0 |
0.530 |
2026 |
36.8 |
0.520 |
2027 |
37.7 |
0.510 |
2028 |
38.6 |
0.500 |
2029 |
39.6 |
0.490 |
2030 |
40.6 |
0.480 |
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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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