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Study of BTA, Hubble, and Spitzer GRB 021004 deep fields

Published online by Cambridge University Press:  22 July 2013

I.V. Sokolov ,
O.J.A. Bravo Calle  and
Yu.V. Baryshev
I.V. Sokolov
Affiliation:
Institute of Astronomy RAS, Russia;. e-mail: ilia333@land.ru
O.J.A. Bravo Calle
Affiliation:
Saint Petersburg State University, Russia
Yu.V. Baryshev
Affiliation:
Saint Petersburg State University, Russia
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Abstract

The photometric redshifts were derived, based on photometry data in visual and infrared. Deep fields were observed during gamma-ray bursts investigation with the SAO RAS 6-meter telescope (BTA), Spitzer and Hubble Space Telescope. BTA BVRI images were used, as well as F475W, F606W, F814W of ACS at the Hubble Space Telescope and Spitzer IRAC ch1 3.6 μm, ch3 5.7 μm. Each BTA BVRI exposure was about one-hour long, reaching objects up to the ~27th stellar magnitude. The GRB 021004 field was investigated. A catalog of 874 discovered objects is being made as well as color diagrams and Hubble diagram for these objects.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 61: Gamma-ray Bursts: 15 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe , 2013 , pp. 435 - 437
Copyright
© EAS, EDP Sciences 2013

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References

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