14038-6022 RBT 1 Aa,Ab
14h 03m 49.40s -60° 22' 22.9" P.A. 345.00 sep 0.0 mag 1.29,1.44 Sp B2III dist. 120.19 pc (392.06 l.y.)
| Coord 2000 |
14038-6022 |
|
Discov num |
RBT 1 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
14 03 49.40 -60 22 22.9 |
|
| Date first |
1995 |
|
Date last |
2021 |
|
Obs |
54 |
|
| Pa first |
172 |
|
Pa last |
344.5 |
|
P.A. Now (θ) |
344.5° |
|
| Sep first |
0.0 |
|
Sep last |
0.02 |
|
Sep. Now (ρ) |
0.02" |
|
| Mag pri |
1.29 |
|
Mag sec |
1.44 |
|
delta mag (ΔM) |
0.15 |
|
Spectral class |
B2III (blue-white) |
|
| Pri motion ra |
-034 |
|
Sec motion ra |
|
|
| Pri motion dec |
-025 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
14038-6022 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
252582 |
14 03 49 -60 22 23 |
RBT 1 Aa,Ab |
2021 |
54 |
345 |
0.0 |
1.29 |
1.44 |
0.15 |
Y |
<=== |
| Show |
Hadar |
252582 |
14 03 49 -60 22 23 |
VOU 31 AB |
2021 |
36 |
149 |
0.3 |
0.58 |
3.95 |
3.37 |
Y |
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Hadar |
|
Constellation |
Centaurus |
|
SAO |
252582 |
|
HIP |
68702 |
|
| Tycho2 |
9005-03919-1 |
|
HD |
122451 |
|
HR |
5267 |
|
GC |
18971 |
|
| CP |
CP-59 5365 |
|
Bayer |
Beta Centauri |
|
Bayer name |
Bet Cen |
|
FK5 |
518 |
|
| Distance |
120.19 |
|
Distance ly |
392.06 |
|
Bayer greek |
β Cen |
|
| Other names |
Agena, Khadar |
|
ORBITAL ELEMENTS
| Period (P) | 357d | ± 0.07 |
Periastron (T) | 51600d (2000.152y) | ± 0.3 |
Semi-major axis (a) | 0.02532a | ± 0.00023 |
| Eccentricity (e) | 0.824 | ± 0.004 |
Inclination (i) | 67.4° | ± 0.3 |
Longitude of periastron (ω) | 241.3° | ± 0.6 |
| Node (Ω) | 288.3° | ± 0.4 |
Notes | n | |
Reference | Dvs2005 | |
| Equinox | 2000 | |
Last observation | 2002 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
16.9 |
0.011 |
| 2001-01-01 |
26.6 |
0.010 |
| 2002-01-01 |
38.1 |
0.010 |
| 2003-01-01 |
51.1 |
0.009 |
| 2004-01-01 |
65.6 |
0.009 |
| 2005-01-01 |
81.4 |
0.008 |
| 2006-01-01 |
101.1 |
0.007 |
| 2007-01-01 |
220.4 |
0.002 |
| 2008-01-01 |
281.9 |
0.010 |
| 2009-01-01 |
289.9 |
0.015 |
| 2010-01-01 |
294.2 |
0.018 |
| 2011-01-01 |
297.2 |
0.021 |
| 2012-01-01 |
299.5 |
0.023 |
| 2013-01-01 |
301.5 |
0.025 |
| 2014-01-01 |
303.3 |
0.026 |
| 2015-01-01 |
304.9 |
0.027 |
| 2016-01-01 |
306.4 |
0.028 |
| 2017-01-01 |
307.8 |
0.029 |
| 2018-01-01 |
309.2 |
0.029 |
| 2019-01-01 |
310.5 |
0.030 |
| 2020-01-01 |
311.8 |
0.030 |
| 2021-01-01 |
313.1 |
0.030 |
| 2022-01-01 |
314.4 |
0.030 |
| 2023-01-01 |
315.7 |
0.030 |
| 2024-01-01 |
317.0 |
0.029 |
| 2025-01-01 |
318.4 |
0.029 |
| 2026-01-01 |
319.8 |
0.029 |
| 2027-01-01 |
321.2 |
0.028 |
| 2028-01-01 |
322.8 |
0.027 |
| 2029-01-01 |
324.3 |
0.027 |
| 2030-01-01 |
326.0 |
0.026 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
