[ASA] The first data release of ASKAP SWAG-X with multiwavelength coverage of the GAMA-09 equatorial sky region

Thu Jan 13 14:10:08 AEDT 2022

Dear Colleagues,

The first data release for the Survey With ASKAP of GAMA-09 + X-ray (SWAG-X)
is now available on the CSIRO ASKAP Science Data Archive (CASDA
<https://protect-au.mimecast.com/s/aJxNCgZ0N1iA3DGQyTN5HGm?domain=data.csiro.au> ). This data release
comprises the first half of the full survey data, taken at 888 MHz and 1296
MHz with the ASKAP <https://protect-au.mimecast.com/s/sE6FCjZ1N7inrVRNmIRZFnf?domain=csiro.au>  radio telescope owned and
operated by CSIRO.

SWAG-X was initiated as a complementary ASKAP survey to the eROSITA
<https://protect-au.mimecast.com/s/EBRUCk81N9tOEP5GBcQO488?domain=mpe.mpg.de>  X-ray and the GAMA-09 spectroscopic
observations at the Anglo-Australian Telescope (AAT) to contribute to
studies of cosmology, galaxy formation and evolution.

Enabled by the collaboration agreement
<https://protect-au.mimecast.com/s/O5gnClx1Nji2rjX4EhqLz6x?domain=astronomyaustralia.org.au
-ltd.html>  which was signed between eROSITA_DE and AAL on behalf of
Australian astronomers, the SWAG-X survey has been devised to provide radio
data covering the eROSITA performance verification field for the eROSITA
Final Equatorial-Depth Survey (eFEDS
<https://protect-au.mimecast.com/s/ITEwCmO5glujx9W4lsQCG55?domain=erosita.mpe.mpg.de
talog_V2.html> ) to provide a useful resource of science data, in
combination with the extensive multiwavelength database compiled by the GAMA
<https://protect-au.mimecast.com/s/Q76ICnx1jni7EkmBDsE5Iur?domain=gama-survey.org>  team.

The full SWAG-X sensitivity will be achieved after 16 hr integration at 888
MHz and 1296 MHz at full spectral resolution, covering the same region as
eFEDS (which is an extended area around the GAMA-09 field marked in the
image). In this first release, there are 12 ASKAP fields available that
include 6 tiles of 8 hr integration in each band. In each case, continuum
and spectral data are available on CASDA.

Released data can be accessed via CASDA
<https://protect-au.mimecast.com/s/aJxNCgZ0N1iA3DGQyTN5HGm?domain=data.csiro.au>  searching under the project
code "AS112". Additional data products including continuum mosaics of the
SWAG-X regions and full field catalogues are being completed and will also
be available via CASDA. The second-final release of the SWAG-X survey data
is expected later this year.

For any questions about SWAG-X, please contact Vanessa Moss
<mailto:Vanessa.Moss at csiro.au>  (lead, CSIRO Head of ASKAP Science
Operations), Matt Whiting <mailto:Matthew.Whiting at csiro.au>  (CSIRO Head of
ASKAP Data Operations), or Aidan Hotan <mailto:Aidan.Hotan at csiro.au>  (CSIRO
ASKAP Project Scientist). A description paper of SWAG-X is in progress (Moss
et al. in prep).

For more information about the eROSITA/AAL collaborative agreement please
see AAL's eROSITA page, or contact Duncan Galloway
<mailto:duncan.galloway at monash.edu>  (Monash University) and Shona Madoc
<mailto:shona.madoc at astronomyaustralia.org.au>  (AAL). For questions about
the eROSITA consortium please contact Andrea Merloni <mailto:am at mpe.mpg.de>
(MPE) and Mara Salvato <mailto:mara at mpg.mpe.de>  (MPE).

CSIRO acknowledges the Wajarri Yamatji as the traditional owners of the
Murchison Radio-astronomy Observatory site where ASKAP is located. Continued
development of CASDA is supported in part by a National Collaborative
Research Infrastructure Strategy (NCRIS) grant administered by AAL. We
acknowledge the efforts of the following people in making this first SWAG-X
data release possible:

SWAG-X team: V. Moss, M. Whiting, A. Hotan, C. Hale, E. Lenc, E. Kerrison

ASKAP Survey Science Team contributors: B. For, K. Lee-Waddell, E. Mahony,
T. Murphy, J. Rhee, H. Yoon

Dr Lucyna Kedziora-Chudczer | Program Manager
Astronomy Australia Ltd (Sydney Office)

P: +61 2 9372 4842
E: lucyna.chudczer at astronomyaustralia.org.au
<mailto:lucyna.chudczer at astronomyaustralia.org.au>  

 <https://protect-au.mimecast.com/s/Ms6ECoV1kpfrnQvWYUWr6TD?domain=astronomyaustralia.org.au>
https://protect-au.mimecast.com/s/Ms6ECoV1kpfrnQvWYUWr6TD?domain=astronomyaustralia.org.au/

AAL endeavours to be an environmentally sustainable organisation built upon
equity, diversity and mutual respect for its staff and stakeholders.

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