04403-5857 HJ 3683 (HD 30003)
04h 40m 17.72s -58° 56' 39.5" P.A. 90.00 sep 3.8 mag 7.33,7.45 Sp G5V dist. 30.6 pc (99.82 l.y.)
Coord 2000 |
04403-5857 |
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Discov num |
HJ 3683 |
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Comp |
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Coord arcsec 2000 |
04 40 17.72 -58 56 39.5 |
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Date first |
1835 |
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Date last |
2017 |
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Obs |
109 |
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Pa first |
81 |
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Pa last |
89.9 |
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P.A. Now (θ) |
89.9° |
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Sep first |
3.0 |
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Sep last |
3.831 |
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Sep. Now (ρ) |
3.831" |
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Mag pri |
7.33 |
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Mag sec |
7.45 |
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delta mag (ΔM) |
0.12 |
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Spectral class |
G5V (yellow) |
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Pri motion ra |
+031 |
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Sec motion ra |
+057 |
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Pri motion dec |
+175 |
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Sec motion dec |
+179 |
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Notes |
O
(Orbital solution) |
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rPM=0.14 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 30003 |
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Constellation |
Dorado |
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SAO |
233622 |
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HIP |
21756 |
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Tycho2 |
8515-01845-2 |
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Gaia DR2 |
4774152506544171136 |
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HD |
30003 |
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HR |
1504 |
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GL |
Gl 175A |
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CD |
CD-59 893 |
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CP |
CP-59 370 |
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Distance |
30.6 |
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Distance ly |
99.82 |
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ORBITAL ELEMENTS
Period (P) | 326.17y | |
Periastron (T) | 1919.36y | |
Semi-major axis (a) | 2.435a | |
Eccentricity (e) | 0.95 | |
Inclination (i) | 100.9° | |
Longitude of periastron (ω) | 338.1° | |
Node (Ω) | 263.6° | |
Notes | | |
Reference | USN2006b | |
Equinox | 2000 | |
Last observation | 2002 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
89.9 |
3.417 |
2001 |
89.9 |
3.439 |
2002 |
89.9 |
3.461 |
2003 |
89.8 |
3.483 |
2004 |
89.8 |
3.505 |
2005 |
89.8 |
3.526 |
2006 |
89.7 |
3.547 |
2007 |
89.7 |
3.568 |
2008 |
89.7 |
3.588 |
2009 |
89.6 |
3.608 |
2010 |
89.6 |
3.628 |
2011 |
89.6 |
3.648 |
2012 |
89.6 |
3.667 |
2013 |
89.5 |
3.686 |
2014 |
89.5 |
3.705 |
2015 |
89.5 |
3.723 |
2016 |
89.4 |
3.742 |
2017 |
89.4 |
3.760 |
2018 |
89.4 |
3.777 |
2019 |
89.4 |
3.795 |
2020 |
89.3 |
3.812 |
2021 |
89.3 |
3.829 |
2022 |
89.3 |
3.846 |
2023 |
89.3 |
3.862 |
2024 |
89.2 |
3.878 |
2025 |
89.2 |
3.894 |
2026 |
89.2 |
3.910 |
2027 |
89.1 |
3.926 |
2028 |
89.1 |
3.941 |
2029 |
89.1 |
3.956 |
2030 |
89.1 |
3.970 |
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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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