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Size: 2010
Comment:
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Size: 2325
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
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=== NRAO === [[https://science.nrao.edu/science/service-observing|Analysis of public VLA observations]] === SWIFT === [[http://swift-sgra.com/ | Analysis of Swift data]] |
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| ||<rowstyle="background-color: #E0E0FF;"> Epoch || R.A. || Dec || error estimate || | ||<rowstyle="background-color: #E0E0FF;"> Epoch [Julian year] || R.A. [''] || Dec [''] || error estimate [''] || |
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; velocity data date v delta v 2003.2711 990. 50. 2004.5356 1052. 30. 2005.2153 1010. 50. 2008.2624 1256. 20. 2009.3851 1404. 30. 2010.3539 1522. 25. 2011.3169 1692. 60. 2011.5665 1640. 60. 2012.2126 1934. 50. 2012.3612 1930. 50. 2012.4942 2030. 50. |
||<rowstyle="background-color: #E0E0FF;"> Epoch [Julian year] || vLSR [km/s] || error estimate [km/s] || ||2003.2711|| 990 || 50|| ||2004.5356|| 1052|| 30|| ||2005.2153|| 1010|| 50|| ||2008.2624|| 1256|| 20|| ||2009.3851|| 1404|| 30|| ||2010.3539|| 1522|| 25|| ||2011.3169|| 1692|| 60|| ||2011.5665|| 1640|| 60|| ||2012.2126|| 1934|| 50|| ||2012.3612|| 1930|| 50|| ||2012.4942|| 2030|| 50|| |
Plots and Data
NRAO
Analysis of public VLA observations
SWIFT
Orbital Elements
Parameter |
||
semi major axis (mas) |
521 ± 28 |
666 ± 39 |
eccentricity |
0.9384 ± 0.0066 |
0.9664 ± 0.0026 |
inclination [°] |
106.55 ± 0.88 |
109.48 ± 0.81 |
position angle of ascending node [°] |
101.5 ± 1.1 |
95.8 ± 1.1 |
longitude of periastron [°] |
109.59 ± 0.78 |
108.50 ± 0.74 |
epoch of periastron [yr] |
2013.51 ± 0.04 |
2013.69 ± 0.04 |
orbital period [yr] |
137 ± 11 |
198 ± 18 |
Astrometry & Radial Velocities
Epoch [Julian year] |
R.A. [] |
Dec [] |
error estimate [] |
2002.6 |
0.2771 |
-0.155712 |
0.002 |
2003.4 |
0.276067 |
-0.140544 |
0.002 |
2004.6 |
0.263562 |
-0.130565 |
0.002 |
2005.4 |
0.264142 |
-0.123733 |
0.002 |
2006.4 |
0.240084 |
-0.109394 |
0.002 |
2007.3 |
0.225361 |
-0.102138 |
0.002 |
2008.5 |
0.209801 |
-0.0879578 |
0.002 |
2009.25 |
0.193148 |
-0.0740471 |
0.002 |
2010.5 |
0.158347 |
-0.0540539 |
0.002 |
2011.3 |
0.139725 |
-0.0393364 |
0.002 |
2011.5 |
0.134431 |
-0.0376276 |
0.002 |
2012.2 |
0.113924 |
-0.0374186 |
0.005 |
2012.2126 |
0.122807 |
-0.0228154 |
0.005 |
2012.4942 |
0.10694 |
-0.0138847 |
0.005 |
Epoch [Julian year] |
vLSR [km/s] |
error estimate [km/s] |
2003.2711 |
990 |
50 |
2004.5356 |
1052 |
30 |
2005.2153 |
1010 |
50 |
2008.2624 |
1256 |
20 |
2009.3851 |
1404 |
30 |
2010.3539 |
1522 |
25 |
2011.3169 |
1692 |
60 |
2011.5665 |
1640 |
60 |
2012.2126 |
1934 |
50 |
2012.3612 |
1930 |
50 |
2012.4942 |
2030 |
50 |