11116-1459 BEU 15 (HD 97233)
11h 11m 33.12s -14° 59' 28.9" P.A. 270.00 sep 0.1 mag 9.05, Sp K4 dist. 21.57 pc (70.36 l.y.)
Coord 2000 |
11116-1459 |
|
Discov num |
BEU 15 |
|
Comp |
|
|
Coord arcsec 2000 |
11 11 33.12 -14 59 28.9 |
|
Date first |
1997 |
|
Date last |
2020 |
|
Obs |
22 |
|
Pa first |
272 |
|
Pa last |
270 |
|
P.A. Now (θ) |
87.4° |
|
Sep first |
0.1 |
|
Sep last |
0.105 |
|
Sep. Now (ρ) |
0.226" |
|
Mag pri |
9.05 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
K4 (yellow-orange) |
|
Pri motion ra |
+698 |
|
Sec motion ra |
|
|
Pri motion dec |
-598 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 97233 |
|
Constellation |
Crater |
|
SAO |
156518 |
|
HIP |
54677 |
|
Tycho2 |
5507-00552-1 |
|
HD |
97233 |
|
GL |
Gl 416 |
|
BD |
BD-14 3277 |
|
Distance |
21.57 |
|
Distance ly |
70.36 |
|
ORBITAL ELEMENTS
Period (P) | 7.2716y | ± 0.0078 |
Periastron (T) | 58731d (2019.676y) | ± 11 |
Semi-major axis (a) | 184.46m | ± 0.66 |
Eccentricity (e) | 0.4571 | ± 0.0037 |
Inclination (i) | 87.25° | ± 0.24 |
Longitude of periastron (ω) | 154.3° | ± 1.2 |
Node (Ω) | 89.08° | ± 0.11 |
Notes | n | |
Reference | MnA2019 | |
Equinox | | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
84.4 |
0.119 |
2001 |
87.1 |
0.214 |
2002 |
88.3 |
0.256 |
2003 |
89.5 |
0.232 |
2004 |
91.8 |
0.123 |
2005 |
266.3 |
0.072 |
2006 |
276.2 |
0.055 |
2007 |
82.5 |
0.085 |
2008 |
86.6 |
0.193 |
2009 |
88.0 |
0.250 |
2010 |
89.1 |
0.246 |
2011 |
90.8 |
0.163 |
2012 |
253.2 |
0.020 |
2013 |
272.2 |
0.086 |
2014 |
77.9 |
0.049 |
2015 |
86.0 |
0.169 |
2016 |
87.7 |
0.241 |
2017 |
88.8 |
0.254 |
2018 |
90.2 |
0.195 |
2019 |
98.3 |
0.039 |
2020 |
270.1 |
0.104 |
2021 |
46.8 |
0.013 |
2022 |
85.2 |
0.140 |
2023 |
87.4 |
0.226 |
2024 |
88.5 |
0.257 |
2025 |
89.7 |
0.219 |
2026 |
92.9 |
0.092 |
2027 |
268.2 |
0.096 |
2028 |
284.3 |
0.030 |
2029 |
83.9 |
0.109 |
2030 |
86.9 |
0.208 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|