Recent Results of VLBA Imaging of X-ray Binaries:

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Recent Results of VLBA Imaging of X-ray Binaries
the newest and oldest microquasars

• Amy J. Mioduszewski
• Vivek Dhawan
• Michael P. Rupen
• National Radio Astronomy Observatory

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H1743-322

• Discovered by the HEAO satellite in the 1977 when
  it went up to several Crab
• Rediscovered by INTEGRAL on March 21 the
  brightest X-ray seen by INREGRAL
• Detected by the VLA on March 30
• RXTE PCA is observing this source almost daily
• X-ray spectrum and timing consistent with a
  black hole candidate

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VLA and RXTE Light Curves
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VLA and RXTE Light Curves
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VLA and RXTE Light Curves
4 Apr 2003
a0.2
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VLA and RXTE Light Curves
4 Apr 2003
a0.2
8 Apr 2003
a-0.6
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VLA and RXTE Light Curves
4 Apr 2003
11 Apr 2003
a-0.6
a0.2
8 Apr 2003
a-0.6
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VLA maps from late May
27 May 2003
29 May 2003
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Comparing Fits of the VLA images to the VLBA
images
8 April
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Comparing Fits of the VLA images to the VLBA
images
8 April
4 April
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Comparing Fits of the VLA images to the VLBA
images
27 May
8 April
4 April
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Comparing Fits of the VLA images to the VLBA
images
27 May
8 April
4 April
29 May
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Comparing Fits of the VLA images to the VLBA
images
27 May
8 April
Conclusions? -standing shock -brightening
region - precessing jet
4 April
29 May
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Flare in SS433
21 Nov.
19 Nov.
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Flare in SS433
21 Nov.
19 Nov.
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Flare in SS433
21 Nov.
19 Nov.
stationary components
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Flare in SS433
21 Nov.
19 Nov.
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Flare in SS433
21 Nov.
21 Nov.
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19 Nov.
Movie Coming Fall 2003
21 Nov.