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This is the UNAM web site for RATIR, a multi-channel imager for the OAN/SPM 1.5-meter Johnson telescope.
The fading afterglow of GRB 130327A captured by RATIR. The image on the left was taken 1.7 hours after the GRB was detected by SWIFT. The image on the right was taken about 24 hours later. In the earlier image, the afterglow is clearly visible in the green circle. In the later image, it is no longer visible, having faded by 1.3 magnitudes or more. The images are in the i band and are about 1.3 arcmin to a side. The afterglow was also detected and seen to fade in the r, Z, Y, and J bands. See GCN Circulars 14334 and 14352.
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Last modified 8 weeks ago
Last modified on Mar 29, 2013 3:52:32 AM
Attachments (5)
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trapezium.jpg
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added by alan 16 months ago.
Image of the Trapezium in the 8950 filter taken on the night of 2012-01-11 UTC. The image quality is 0.79 arcsec.
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grb121210a.png
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added by alan 5 months ago.
RATIR observations of GRB 121210A. Image credit: Ori Fox.
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grb130122a-i.jpg
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added by alan 4 months ago.
GRB 130122A detected in i by RATIR.
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grb130327a-i.jpg
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added by alan 8 weeks ago.
The fading afterglow of GRB 130327A captured by RATIR.
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grb130327a-i-small.jpg
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added by alan 8 weeks ago.
The fading afterglow of GRB 130327A captured by RATIR.
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