02336-3910 B 674 (HD 16056)
02h 33m 34.74s -39° 10' 28.9" P.A. 288.00 sep 0.1 mag 9.60,9.80 Sp F5V
| Coord 2000 |
02336-3910 |
|
Discov num |
B 674 |
|
Comp |
|
|
Coord arcsec 2000 |
02 33 34.74 -39 10 28.9 |
|
| Date first |
1926 |
|
Date last |
2021 |
|
Obs |
15 |
|
| Pa first |
42 |
|
Pa last |
287.5 |
|
P.A. Now (θ) |
287.5° |
|
| Sep first |
0.4 |
|
Sep last |
0.087 |
|
Sep. Now (ρ) |
0.087" |
|
| Mag pri |
9.60 |
|
Mag sec |
9.80 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
+004 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 16056 |
|
Constellation |
Fornax |
|
SAO |
193771 |
|
Tycho2 |
7552-00599-1 |
|
| Gaia DR2 |
4952902551412818048 |
|
HD |
16056 |
|
ORBITAL ELEMENTS
| Period (P) | 327.8y | |
Periastron (T) | 2027.35y | |
Semi-major axis (a) | 0.238a | |
| Eccentricity (e) | 0.68 | |
Inclination (i) | 172° | |
Longitude of periastron (ω) | 150.1° | |
| Node (Ω) | 36.8° | |
Notes | | |
Reference | Tok2019c | |
| Equinox | | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
358.6 |
0.170 |
| 2001 |
357.0 |
0.166 |
| 2002 |
355.4 |
0.162 |
| 2003 |
353.6 |
0.158 |
| 2004 |
351.8 |
0.154 |
| 2005 |
349.8 |
0.150 |
| 2006 |
347.7 |
0.146 |
| 2007 |
345.5 |
0.142 |
| 2008 |
343.2 |
0.137 |
| 2009 |
340.7 |
0.133 |
| 2010 |
338.1 |
0.129 |
| 2011 |
335.3 |
0.125 |
| 2012 |
332.3 |
0.120 |
| 2013 |
329.0 |
0.116 |
| 2014 |
325.6 |
0.112 |
| 2015 |
321.8 |
0.108 |
| 2016 |
317.8 |
0.104 |
| 2017 |
313.4 |
0.100 |
| 2018 |
308.7 |
0.096 |
| 2019 |
303.6 |
0.092 |
| 2020 |
298.1 |
0.089 |
| 2021 |
292.2 |
0.086 |
| 2022 |
285.9 |
0.083 |
| 2023 |
279.2 |
0.081 |
| 2024 |
272.1 |
0.079 |
| 2025 |
264.6 |
0.077 |
| 2026 |
257.0 |
0.076 |
| 2027 |
249.2 |
0.076 |
| 2028 |
241.4 |
0.076 |
| 2029 |
233.7 |
0.077 |
| 2030 |
226.1 |
0.078 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
