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 |
|
Discov num |
B 1626 |
|
Comp |
|
|
Coord arcsec 2000 |
08 43 35.44 -39 06 45.8 |
|
| Date first |
1929 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
25 |
|
Pa last |
30.2 |
|
P.A. Now (θ) |
30.2° |
|
| Sep first |
1.0 |
|
Sep last |
0.851 |
|
Sep. Now (ρ) |
0.851" |
|
| Mag pri |
9.22 |
|
Mag sec |
9.96 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
A6III (white) |
|
| Pri motion ra |
-023 |
|
Sec motion ra |
-023 |
|
| Pri motion dec |
+012 |
|
Sec motion dec |
+012 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 74616 |
|
Constellation |
Vela |
|
Tycho2 |
7675-02706-1 |
|
Gaia DR2 |
5528850411605213440 |
|
| HD |
74616 |
|
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 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
