08436-3907 B 1626 (HD 74616)
08h 43m 35.44s -39° 06' 45.8" P.A. 30.00 sep 0.9 mag 9.22,9.96 Sp A6III
Coord 2000 |
08436-3907 |
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Discov num |
B 1626 |
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Comp |
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Coord arcsec 2000 |
08 43 35.44 -39 06 45.8 |
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Date first |
1929 |
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Date last |
2016 |
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Obs |
6 |
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Pa first |
25 |
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Pa last |
30.2 |
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P.A. Now (θ) |
30.2° |
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Sep first |
1.0 |
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Sep last |
0.851 |
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Sep. Now (ρ) |
0.851" |
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Mag pri |
9.22 |
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Mag sec |
9.96 |
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delta mag (ΔM) |
0.74 |
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Spectral class |
A6III (white) |
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Pri motion ra |
-023 |
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Sec motion ra |
-023 |
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Pri motion dec |
+012 |
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Sec motion dec |
+012 |
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Notes |
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Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 74616 |
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Constellation |
Vela |
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Tycho2 |
7675-02706-1 |
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Gaia DR2 |
5528850411605213440 |
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HD |
74616 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 08433-3908 |
coord_arcsec_2000 | 084316.24-390813.1 |
Period (P) | 816.4355d (2.24y) | ± 32.0868 |
Periastron (T) | 48164.9492d (1990.747y) | ± 37.6537 |
Semi-major axis (a) | 5.27m | ± 0.79 |
Eccentricity (e) | 0 | |
Inclination (i) | 134.9° | ± 12.08 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 355.05° | ± 16.92 |
Notes | n | |
Reference | HIP1997d | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
314.8 |
0.004 |
2001-01-01 |
151.9 |
0.005 |
2002-01-01 |
346.3 |
0.005 |
2003-01-01 |
179.8 |
0.005 |
2004-01-01 |
13.7 |
0.005 |
2005-01-01 |
209.8 |
0.005 |
2006-01-01 |
49.8 |
0.004 |
2007-01-01 |
254.4 |
0.004 |
2008-01-01 |
101.0 |
0.004 |
2009-01-01 |
304.7 |
0.004 |
2010-01-01 |
143.8 |
0.005 |
2011-01-01 |
339.3 |
0.005 |
2012-01-01 |
173.1 |
0.005 |
2013-01-01 |
6.6 |
0.005 |
2014-01-01 |
201.4 |
0.005 |
2015-01-01 |
39.3 |
0.004 |
2016-01-01 |
241.6 |
0.004 |
2017-01-01 |
87.8 |
0.004 |
2018-01-01 |
293.5 |
0.004 |
2019-01-01 |
134.8 |
0.004 |
2020-01-01 |
331.9 |
0.005 |
2021-01-01 |
166.3 |
0.005 |
2022-01-01 |
359.8 |
0.005 |
2023-01-01 |
193.8 |
0.005 |
2024-01-01 |
29.9 |
0.005 |
2025-01-01 |
229.9 |
0.004 |
2026-01-01 |
74.5 |
0.004 |
2027-01-01 |
281.1 |
0.004 |
2028-01-01 |
124.8 |
0.004 |
2029-01-01 |
323.8 |
0.005 |
2030-01-01 |
159.4 |
0.005 |
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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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