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@ARTICLE{Fijma:572866,
      author       = {Fijma, S. and Rowlinson, A. and Wijers, R. and de Ruiter,
                      I. and de Blok, W. and Chastain, S. and van der Horst, A. J.
                      and Meyers, Zachary Samuel and van der Meulen, K. and
                      Fender, R. and Woudt, P. A.},
      title        = {{A} new method for short duration transient detection in
                      radio images: {S}earching for transient sources in
                      {M}eer{KAT} observations of {NGC} 5068},
      journal      = {Monthly notices of the Royal Astronomical Society},
      volume       = {528},
      number       = {4},
      issn         = {0035-8711},
      address      = {Oxford},
      publisher    = {Oxford Univ. Press},
      reportid     = {PUBDB-2023-00772},
      pages        = {6985-6996},
      year         = {2024},
      abstract     = {Transient surveys are a vital tool in exploring the dynamic
                      Universe, with radio transients acting as beacons for
                      explosive and highly energetic astrophysical phenomena.
                      However, performing commensal transient surveys using radio
                      imaging can require a significant amount of computing power,
                      data storage, and time. With the instrumentation available
                      to us, and with new and exciting radio interferometers in
                      development, it is essential that we develop efficient
                      methods to probe the radio transient sky. In this paper, we
                      present results from a commensal short-duration transient
                      survey, on time-scales of 8 s, 128 s, and 1 h, using data
                      from the MeerKAT radio telescope. The data set used was
                      obtained as part of a galaxy observing campaign, and we
                      focus on the field of NGC 5068. We present a quick,
                      wide-field imaging strategy to enable fast imaging of large
                      data sets, and develop methods to efficiently filter
                      detected transient candidates. No transient candidates were
                      identified on the time-scales of 8 s, 128 s, and 1 h,
                      leading to competitive limits on the transient surface
                      densities of ⁠, ⁠, and deg−1 at sensitivities of 56.4,
                      19.2, and 3.9 mJy following primary beam correction for the
                      respective time-scales. We find one possible candidate that
                      could be associated with a stellar flare, which was rejected
                      due to strict image quality control. Further short
                      time-scale radio observations of this candidate could give
                      definite results about its origin.},
      cin          = {Z-RAD},
      ddc          = {520},
      cid          = {I:(DE-H253)Z-RAD-20210408},
      pnm          = {613 - Matter and Radiation from the Universe (POF4-613)},
      pid          = {G:(DE-HGF)POF4-613},
      experiment   = {EXP:(DE-H253)RNO-G-20230101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001184933600004},
      doi          = {10.1093/mnras/stae382},
      url          = {https://bib-pubdb1.desy.de/record/572866},
}