A transient search using combined human and machine classifications

Darryl E. Wright, Chris J. Lintott, Stephen J. Smartt, Ken W. Smith, Lucy Fortson, Laura Trouille, Campbell R. Allen, Melanie Beck, Mark C. Bouslog, Amy Boyer, K. C. Chambers, Heather Flewelling, Will Granger, Eugene A. Magnier, Adam McMaster, Grant R. M. Miller, James E. O'Donnell, Helen Spiers, John L. Tonry, Marten VeldthuisRichard J. Wainscoat, Chris Waters, Mark Willman, Zach Wolfenbarger, Dave R. Young

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Large modern surveys require efficient review of data in order to find transient sources such as supernovae, and to distinguish such sources from artefacts and noise. Much effort has been put into the development of automatic algorithms, but surveys still rely on human review of targets. This paper presents an integrated system for the identification of supernovae in data from Pan-STARRS1, combining classifications from volunteers participating in a citizen science project with those from a convolutional neural network. The unique aspect of this work is the deployment, in combination, of both human and machine classifications for near real-time discovery in an astronomical project. We show that the combination of the two methods outperforms either one used individually. This result has important implications for the future development of transient searches, especially in the era of LSST and other large-throughput surveys.
Original languageUndefined/Unknown
JournalMonthly Notices of the Royal Astronomical Society
DOIs
StatePublished - Jul 17 2017

Bibliographical note

10 pages, 9 figures, submitted to MNRAS

Keywords

  • astro-ph.IM

Cite this

A transient search using combined human and machine classifications. / Wright, Darryl E.; Lintott, Chris J.; Smartt, Stephen J.; Smith, Ken W.; Fortson, Lucy; Trouille, Laura; Allen, Campbell R.; Beck, Melanie; Bouslog, Mark C.; Boyer, Amy; Chambers, K. C.; Flewelling, Heather; Granger, Will; Magnier, Eugene A.; McMaster, Adam; Miller, Grant R. M.; O'Donnell, James E.; Spiers, Helen; Tonry, John L.; Veldthuis, Marten; Wainscoat, Richard J.; Waters, Chris; Willman, Mark; Wolfenbarger, Zach; Young, Dave R.

In: Monthly Notices of the Royal Astronomical Society, 17.07.2017.

Research output: Contribution to journalArticle

Wright, DE, Lintott, CJ, Smartt, SJ, Smith, KW, Fortson, L, Trouille, L, Allen, CR, Beck, M, Bouslog, MC, Boyer, A, Chambers, KC, Flewelling, H, Granger, W, Magnier, EA, McMaster, A, Miller, GRM, O'Donnell, JE, Spiers, H, Tonry, JL, Veldthuis, M, Wainscoat, RJ, Waters, C, Willman, M, Wolfenbarger, Z & Young, DR 2017, 'A transient search using combined human and machine classifications', Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1093/mnras/stx1812
Wright, Darryl E. ; Lintott, Chris J. ; Smartt, Stephen J. ; Smith, Ken W. ; Fortson, Lucy ; Trouille, Laura ; Allen, Campbell R. ; Beck, Melanie ; Bouslog, Mark C. ; Boyer, Amy ; Chambers, K. C. ; Flewelling, Heather ; Granger, Will ; Magnier, Eugene A. ; McMaster, Adam ; Miller, Grant R. M. ; O'Donnell, James E. ; Spiers, Helen ; Tonry, John L. ; Veldthuis, Marten ; Wainscoat, Richard J. ; Waters, Chris ; Willman, Mark ; Wolfenbarger, Zach ; Young, Dave R. / A transient search using combined human and machine classifications. In: Monthly Notices of the Royal Astronomical Society. 2017.
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AU - Wright, Darryl E.

AU - Lintott, Chris J.

AU - Smartt, Stephen J.

AU - Smith, Ken W.

AU - Fortson, Lucy

AU - Trouille, Laura

AU - Allen, Campbell R.

AU - Beck, Melanie

AU - Bouslog, Mark C.

AU - Boyer, Amy

AU - Chambers, K. C.

AU - Flewelling, Heather

AU - Granger, Will

AU - Magnier, Eugene A.

AU - McMaster, Adam

AU - Miller, Grant R. M.

AU - O'Donnell, James E.

AU - Spiers, Helen

AU - Tonry, John L.

AU - Veldthuis, Marten

AU - Wainscoat, Richard J.

AU - Waters, Chris

AU - Willman, Mark

AU - Wolfenbarger, Zach

AU - Young, Dave R.

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AB - Large modern surveys require efficient review of data in order to find transient sources such as supernovae, and to distinguish such sources from artefacts and noise. Much effort has been put into the development of automatic algorithms, but surveys still rely on human review of targets. This paper presents an integrated system for the identification of supernovae in data from Pan-STARRS1, combining classifications from volunteers participating in a citizen science project with those from a convolutional neural network. The unique aspect of this work is the deployment, in combination, of both human and machine classifications for near real-time discovery in an astronomical project. We show that the combination of the two methods outperforms either one used individually. This result has important implications for the future development of transient searches, especially in the era of LSST and other large-throughput surveys.

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SN - 0035-8711

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