03272+0944 MKT 15 Aa,Ab
03h 27m 10.12s +09° 43' 58.0" P.A. 337.00 sep 0.0 mag 4.79,4.25 Sp B9Vn dist. 64.1 pc (209.09 l.y.)
| Coord 2000 |
03272+0944 |
|
Discov num |
MKT 15 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
03 27 10.12 +09 43 58.0 |
|
| Date first |
1991 |
|
Date last |
2013 |
|
Obs |
31 |
|
| Pa first |
329 |
|
Pa last |
337.1 |
|
P.A. Now (θ) |
337.1° |
|
| Sep first |
0.0 |
|
Sep last |
0.004 |
|
Sep. Now (ρ) |
0.004" |
|
| Mag pri |
4.79 |
|
Mag sec |
4.25 |
|
delta mag (ΔM) |
0.54 |
|
Spectral class |
B9Vn (blue-white) |
|
| Pri motion ra |
+054 |
|
Sec motion ra |
|
|
| Pri motion dec |
-038 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
03272+0944 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
111195 |
03 27 10 +09 43 58 |
MKT 15 Aa,Ab |
2013 |
31 |
337 |
0.0 |
4.79 |
4.25 |
0.54 |
Y |
<=== |
| Show |
Xi Tau |
111195 |
03 27 10 +09 43 58 |
HDS 433 AB |
2021 |
21 |
267 |
0.6 |
3.74 |
7.55 |
3.81 |
Y |
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Taurus |
|
SAO |
111195 |
|
HIP |
16083 |
|
Tycho2 |
0650-01469-1 |
|
| Gaia DR2 |
12730974555930624 |
|
HD |
21364 |
|
HR |
1038 |
|
GC |
4107 |
|
| BD |
BD+09 439 |
|
Bayer |
Xi Tauri |
|
Bayer name |
Xi Tau |
|
Flamsteed |
2 Tauri |
|
| Flamsteed name |
2 Tau |
|
FK5 |
123 |
|
Distance |
64.1 |
|
Distance ly |
209.09 |
|
| Bayer greek |
ξ Tau |
|
ORBITAL ELEMENTS
| Period (P) | 145.113d | ± 0.071 |
Periastron (T) | 55609.46d (2011.129y) | ± 0.52 |
Semi-major axis (a) | 15.93m | ± 0.1 |
| Eccentricity (e) | 0.2101 | ± 0.0053 |
Inclination (i) | 86.67° | ± 0.12 |
Longitude of periastron (ω) | 9.25° | ± 1.42 |
| Node (Ω) | 148.453° | ± 0.066 |
Notes | n | |
Reference | Nem2016 | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
148.6 |
0.013 |
| 2001-01-01 |
329.1 |
0.019 |
| 2002-01-01 |
149.8 |
0.012 |
| 2003-01-01 |
329.6 |
0.018 |
| 2004-01-01 |
151.3 |
0.010 |
| 2005-01-01 |
330.2 |
0.017 |
| 2006-01-01 |
153.8 |
0.007 |
| 2007-01-01 |
330.8 |
0.015 |
| 2008-01-01 |
160.2 |
0.004 |
| 2009-01-01 |
331.7 |
0.013 |
| 2010-01-01 |
224.3 |
0.001 |
| 2011-01-01 |
332.9 |
0.011 |
| 2012-01-01 |
313.8 |
0.003 |
| 2013-01-01 |
335.0 |
0.008 |
| 2014-01-01 |
321.3 |
0.007 |
| 2015-01-01 |
339.6 |
0.005 |
| 2016-01-01 |
323.9 |
0.010 |
| 2017-01-01 |
1.4 |
0.002 |
| 2018-01-01 |
325.3 |
0.013 |
| 2019-01-01 |
123.6 |
0.002 |
| 2020-01-01 |
326.2 |
0.015 |
| 2021-01-01 |
139.7 |
0.005 |
| 2022-01-01 |
326.9 |
0.017 |
| 2023-01-01 |
143.8 |
0.008 |
| 2024-01-01 |
327.5 |
0.018 |
| 2025-01-01 |
145.8 |
0.010 |
| 2026-01-01 |
328.0 |
0.019 |
| 2027-01-01 |
147.2 |
0.012 |
| 2028-01-01 |
328.5 |
0.019 |
| 2029-01-01 |
148.3 |
0.013 |
| 2030-01-01 |
329.0 |
0.019 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
| Identifier | 03272+0944 |
| coord_arcsec_2000 | 032710.12+094358.0 |
| Period (P) | 7.14664d | ± 0.00002 |
Periastron (T) | 56224.72482d (2012.814y) | ± 0.00022 |
Semi-major axis (a) | 1.89m | ± 0.11 |
| Eccentricity (e) | 0.01 | |
Inclination (i) | 86.85° | ± 0.22 |
Longitude of periastron (ω) | 90.01° | |
| Node (Ω) | 148.42° | ± 1.9 |
Notes | n | |
Reference | Nem2016 | |
| Equinox | 2000 | |
Last observation | 2014 | |
Grade | 8 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000-01-01 |
325.0 |
0.001 |
| 2001-01-01 |
328.0 |
0.002 |
| 2002-01-01 |
330.2 |
0.002 |
| 2003-01-01 |
336.1 |
0.001 |
| 2004-01-01 |
137.3 |
0.001 |
| 2005-01-01 |
146.1 |
0.002 |
| 2006-01-01 |
148.5 |
0.002 |
| 2007-01-01 |
151.1 |
0.001 |
| 2008-01-01 |
165.1 |
|
| 2009-01-01 |
322.7 |
0.001 |
| 2010-01-01 |
327.1 |
0.002 |
| 2011-01-01 |
329.3 |
0.002 |
| 2012-01-01 |
332.8 |
0.001 |
| 2013-01-01 |
91.9 |
|
| 2014-01-01 |
144.7 |
0.001 |
| 2015-01-01 |
147.7 |
0.002 |
| 2016-01-01 |
150.0 |
0.002 |
| 2017-01-01 |
155.3 |
0.001 |
| 2018-01-01 |
316.6 |
|
| 2019-01-01 |
326.1 |
0.002 |
| 2020-01-01 |
328.6 |
0.002 |
| 2021-01-01 |
331.1 |
0.001 |
| 2022-01-01 |
343.6 |
|
| 2023-01-01 |
142.1 |
0.001 |
| 2024-01-01 |
146.9 |
0.002 |
| 2025-01-01 |
149.1 |
0.002 |
| 2026-01-01 |
152.4 |
0.001 |
| 2027-01-01 |
249.5 |
|
| 2028-01-01 |
324.6 |
0.001 |
| 2029-01-01 |
327.8 |
0.002 |
| 2030-01-01 |
330.0 |
0.002 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
