Detection of the Temporal Variation of the Sun's Cosmic Ray Shadow with the IceCube Detector

M.G. Aartsen; M. Ackermann; J. Adams; J.A. Aguilar; Markus Tobias Ahlers; M. Ahrens; D. Altmann; K. Andeen; T. Anderson; I Ansseau; G. Anton; H. Bagherpour; X. Bai; C. Arguelles; J. Auffenberg; S. Axani; P. Backes; J.J. Beatty; A. Barbano; S.W. Barwick; V. Baum; S. Blot; D. Z. Besson; G. Binder; C. Bohm; Etienne Bourbeau; D. Jason Koskinen; Morten Ankersen Medici; Michael James Larson; M Bustamante; Subir Sarkar; M Rameez; Icecube Collaboration

doi:10.3847/1538-4357/aaffd1

Detection of the Temporal Variation of the Sun's Cosmic Ray Shadow with the IceCube Detector

M.G. Aartsen, M. Ackermann, J. Adams, J.A. Aguilar, Markus Tobias Ahlers, M. Ahrens, D. Altmann, K. Andeen, T. Anderson, I Ansseau, G. Anton, H. Bagherpour, X. Bai, C. Arguelles, J. Auffenberg, S. Axani, P. Backes, J.J. Beatty, A. Barbano, S.W. BarwickV. Baum, S. Blot, D. Z. Besson, G. Binder, C. Bohm, Etienne Bourbeau, D. Jason Koskinen, Morten Ankersen Medici, Michael James Larson, M Bustamante, Subir Sarkar, M Rameez, Icecube Collaboration

4 Citations (Scopus)

Abstract

We report on the observation of a deficit in the cosmic ray flux from the directions of the Moon and Sun with five years of data taken by the IceCube Neutrino Observatory. Between 2010 May and 2011 May the IceCube detector operated with 79 strings deployed in the glacial ice at the South Pole, and with 86 strings between 2011 May and 2015 May. A binned analysis is used to measure the relative deficit and significance of the cosmic ray shadows. Both the cosmic ray Moon and Sun shadows are detected with high statistical significance (>10σ) for each year. The results for the Moon shadow are consistent with previous analyses and verify the stability of the IceCube detector over time. This work represents the first observation of the Sun shadow with the IceCube detector. We show that the cosmic ray shadow of the Sun varies with time. These results make it possible to study cosmic ray transport near the Sun with future data from IceCube.

Original language	English
Article number	133
Journal	Astrophysical Journal
Volume	872
Issue number	2
Number of pages	12
ISSN	0004-637X
DOIs	https://doi.org/10.3847/1538-4357/aaffd1
Publication status	Published - 20 Feb 2019

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Aartsen, M. G., Ackermann, M., Adams, J., Aguilar, J. A., Ahlers, M. T., Ahrens, M., Altmann, D., Andeen, K., Anderson, T., Ansseau, I., Anton, G., Bagherpour, H., Bai, X., Arguelles, C., Auffenberg, J., Axani, S., Backes, P., Beatty, J. J., Barbano, A., ... Icecube Collaboration (2019). Detection of the Temporal Variation of the Sun's Cosmic Ray Shadow with the IceCube Detector. Astrophysical Journal, 872(2), Article 133. https://doi.org/10.3847/1538-4357/aaffd1

Aartsen, MG, Ackermann, M, Adams, J, Aguilar, JA, Ahlers, MT, Ahrens, M, Altmann, D, Andeen, K, Anderson, T, Ansseau, I, Anton, G, Bagherpour, H, Bai, X, Arguelles, C, Auffenberg, J, Axani, S, Backes, P, Beatty, JJ, Barbano, A, Barwick, SW, Baum, V, Blot, S, Besson, DZ, Binder, G, Bohm, C, Bourbeau, E, Koskinen, DJ, Medici, MA, Larson, MJ, Bustamante, M, Sarkar, S, Rameez, M & Icecube Collaboration 2019, 'Detection of the Temporal Variation of the Sun's Cosmic Ray Shadow with the IceCube Detector', Astrophysical Journal, vol. 872, no. 2, 133. https://doi.org/10.3847/1538-4357/aaffd1

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title = "Detection of the Temporal Variation of the Sun's Cosmic Ray Shadow with the IceCube Detector",

abstract = "We report on the observation of a deficit in the cosmic ray flux from the directions of the Moon and Sun with five years of data taken by the IceCube Neutrino Observatory. Between 2010 May and 2011 May the IceCube detector operated with 79 strings deployed in the glacial ice at the South Pole, and with 86 strings between 2011 May and 2015 May. A binned analysis is used to measure the relative deficit and significance of the cosmic ray shadows. Both the cosmic ray Moon and Sun shadows are detected with high statistical significance (>10σ) for each year. The results for the Moon shadow are consistent with previous analyses and verify the stability of the IceCube detector over time. This work represents the first observation of the Sun shadow with the IceCube detector. We show that the cosmic ray shadow of the Sun varies with time. These results make it possible to study cosmic ray transport near the Sun with future data from IceCube.",

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AU - Aartsen, M.G.

AU - Ackermann, M.

AU - Adams, J.

AU - Aguilar, J.A.

AU - Ahlers, Markus Tobias

AU - Ahrens, M.

AU - Altmann, D.

AU - Andeen, K.

AU - Anderson, T.

AU - Ansseau, I

AU - Anton, G.

AU - Bagherpour, H.

AU - Bai, X.

AU - Arguelles, C.

AU - Auffenberg, J.

AU - Axani, S.

AU - Backes, P.

AU - Beatty, J.J.

AU - Barbano, A.

AU - Barwick, S.W.

AU - Baum, V.

AU - Blot, S.

AU - Besson, D. Z.

AU - Binder, G.

AU - Bohm, C.

AU - Bourbeau, Etienne

AU - Koskinen, D. Jason

AU - Medici, Morten Ankersen

AU - Larson, Michael James

AU - Bustamante, M

AU - Sarkar, Subir

AU - Rameez, M

AU - Icecube Collaboration

PY - 2019/2/20

Y1 - 2019/2/20

N2 - We report on the observation of a deficit in the cosmic ray flux from the directions of the Moon and Sun with five years of data taken by the IceCube Neutrino Observatory. Between 2010 May and 2011 May the IceCube detector operated with 79 strings deployed in the glacial ice at the South Pole, and with 86 strings between 2011 May and 2015 May. A binned analysis is used to measure the relative deficit and significance of the cosmic ray shadows. Both the cosmic ray Moon and Sun shadows are detected with high statistical significance (>10σ) for each year. The results for the Moon shadow are consistent with previous analyses and verify the stability of the IceCube detector over time. This work represents the first observation of the Sun shadow with the IceCube detector. We show that the cosmic ray shadow of the Sun varies with time. These results make it possible to study cosmic ray transport near the Sun with future data from IceCube.

AB - We report on the observation of a deficit in the cosmic ray flux from the directions of the Moon and Sun with five years of data taken by the IceCube Neutrino Observatory. Between 2010 May and 2011 May the IceCube detector operated with 79 strings deployed in the glacial ice at the South Pole, and with 86 strings between 2011 May and 2015 May. A binned analysis is used to measure the relative deficit and significance of the cosmic ray shadows. Both the cosmic ray Moon and Sun shadows are detected with high statistical significance (>10σ) for each year. The results for the Moon shadow are consistent with previous analyses and verify the stability of the IceCube detector over time. This work represents the first observation of the Sun shadow with the IceCube detector. We show that the cosmic ray shadow of the Sun varies with time. These results make it possible to study cosmic ray transport near the Sun with future data from IceCube.

U2 - 10.3847/1538-4357/aaffd1

DO - 10.3847/1538-4357/aaffd1

M3 - Journal article

SN - 0004-637X

VL - 872

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 133

ER -

Detection of the Temporal Variation of the Sun's Cosmic Ray Shadow with the IceCube Detector

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