Fast Holographic Deconvolution: A new technique for precision radio interferometry

I. S. Sullivan; M. F. Morales; B. J. Hazelton; W. Arcus; D. Barnes; G. Bernardi; F. H. Briggs; J. D. Bowman; J. D. Bunton; R. J. Cappallo; B. E. Corey; A. Deshpande; L. Desouza; D. Emrich; B. M. Gaensler; R. Goeke; L. J. Greenhill; D. Herne; J. N. Hewitt; M. Johnston-Hollitt; D. L. Kaplan; J. C. Kasper; B. B. Kincaid; R. Koenig; E. Kratzenberg; C. J. Lonsdale; M. J. Lynch; S. R. McWhirter; D. A. Mitchell; E. Morgan; D. Oberoi; S. M. Ord; J. Pathikulangara; T. Prabu; R. A. Remillard; A. E.E. Rogers; A. Roshi; J. E. Salah; R. J. Sault; N. Udaya Shankar; K. S. Srivani; J. Stevens; R. Subrahmanyan; S. J. Tingay; R. B. Wayth; M. Waterson; R. L. Webster; A. R. Whitney; A. Williams; C. L. Williams; J. S.B. Wyithe

doi:10.1088/0004-637X/759/1/17

Fast Holographic Deconvolution: A new technique for precision radio interferometry

I. S. Sullivan^*, M. F. Morales, B. J. Hazelton, W. Arcus, D. Barnes, G. Bernardi, F. H. Briggs, J. D. Bowman, J. D. Bunton, R. J. Cappallo, B. E. Corey, A. Deshpande, L. Desouza, D. Emrich, B. M. Gaensler, R. Goeke, L. J. Greenhill, D. Herne, J. N. Hewitt, M. Johnston-HollittD. L. Kaplan, J. C. Kasper, B. B. Kincaid, R. Koenig, E. Kratzenberg, C. J. Lonsdale, M. J. Lynch, S. R. McWhirter, D. A. Mitchell, E. Morgan, D. Oberoi, S. M. Ord, J. Pathikulangara, T. Prabu, R. A. Remillard, A. E.E. Rogers, A. Roshi, J. E. Salah, R. J. Sault, N. Udaya Shankar, K. S. Srivani, J. Stevens, R. Subrahmanyan, S. J. Tingay, R. B. Wayth, M. Waterson, R. L. Webster, A. R. Whitney, A. Williams, C. L. Williams, J. S.B. Wyithe

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

We introduce the Fast Holographic Deconvolution method for analyzing interferometric radio data. Our new method is an extension of A-projection/software-holography/forward modeling analysis techniques and shares their precision deconvolution and wide-field polarimetry, while being significantly faster than current implementations that use full direction-dependent antenna gains. Using data from the MWA 32 antenna prototype, we demonstrate the effectiveness and precision of our new algorithm. Fast Holographic Deconvolution may be particularly important for upcoming 21cm cosmology observations of the Epoch of Reionization and Dark Energy where foreground subtraction is intimately related to the precision of the data reduction.

Original language	English
Article number	17
Journal	Astrophysical Journal
Volume	759
Issue number	1
DOIs	https://doi.org/10.1088/0004-637X/759/1/17
Publication status	Published - 1 Nov 2012

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Sullivan, I. S., Morales, M. F., Hazelton, B. J., Arcus, W., Barnes, D., Bernardi, G., Briggs, F. H., Bowman, J. D., Bunton, J. D., Cappallo, R. J., Corey, B. E., Deshpande, A., Desouza, L., Emrich, D., Gaensler, B. M., Goeke, R., Greenhill, L. J., Herne, D., Hewitt, J. N., ... Wyithe, J. S. B. (2012). Fast Holographic Deconvolution: A new technique for precision radio interferometry. Astrophysical Journal, 759(1), Article 17. https://doi.org/10.1088/0004-637X/759/1/17

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abstract = "We introduce the Fast Holographic Deconvolution method for analyzing interferometric radio data. Our new method is an extension of A-projection/software-holography/forward modeling analysis techniques and shares their precision deconvolution and wide-field polarimetry, while being significantly faster than current implementations that use full direction-dependent antenna gains. Using data from the MWA 32 antenna prototype, we demonstrate the effectiveness and precision of our new algorithm. Fast Holographic Deconvolution may be particularly important for upcoming 21cm cosmology observations of the Epoch of Reionization and Dark Energy where foreground subtraction is intimately related to the precision of the data reduction.",

keywords = "dark ages, reionization, first stars, techniques: image processing, techniques: interferometric",

author = "Sullivan, {I. S.} and Morales, {M. F.} and Hazelton, {B. J.} and W. Arcus and D. Barnes and G. Bernardi and Briggs, {F. H.} and Bowman, {J. D.} and Bunton, {J. D.} and Cappallo, {R. J.} and Corey, {B. E.} and A. Deshpande and L. Desouza and D. Emrich and Gaensler, {B. M.} and R. Goeke and Greenhill, {L. J.} and D. Herne and Hewitt, {J. N.} and M. Johnston-Hollitt and Kaplan, {D. L.} and Kasper, {J. C.} and Kincaid, {B. B.} and R. Koenig and E. Kratzenberg and Lonsdale, {C. J.} and Lynch, {M. J.} and McWhirter, {S. R.} and Mitchell, {D. A.} and E. Morgan and D. Oberoi and Ord, {S. M.} and J. Pathikulangara and T. Prabu and Remillard, {R. A.} and Rogers, {A. E.E.} and A. Roshi and Salah, {J. E.} and Sault, {R. J.} and Shankar, {N. Udaya} and Srivani, {K. S.} and J. Stevens and R. Subrahmanyan and Tingay, {S. J.} and Wayth, {R. B.} and M. Waterson and Webster, {R. L.} and Whitney, {A. R.} and A. Williams and Williams, {C. L.} and Wyithe, {J. S.B.}",

year = "2012",

month = nov,

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doi = "10.1088/0004-637X/759/1/17",

language = "English",

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journal = "Astrophysical Journal",

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Sullivan, IS, Morales, MF, Hazelton, BJ, Arcus, W, Barnes, D, Bernardi, G, Briggs, FH, Bowman, JD, Bunton, JD, Cappallo, RJ, Corey, BE, Deshpande, A, Desouza, L, Emrich, D, Gaensler, BM, Goeke, R, Greenhill, LJ, Herne, D, Hewitt, JN, Johnston-Hollitt, M, Kaplan, DL, Kasper, JC, Kincaid, BB, Koenig, R, Kratzenberg, E, Lonsdale, CJ, Lynch, MJ, McWhirter, SR, Mitchell, DA, Morgan, E, Oberoi, D, Ord, SM, Pathikulangara, J, Prabu, T, Remillard, RA, Rogers, AEE, Roshi, A, Salah, JE, Sault, RJ, Shankar, NU, Srivani, KS, Stevens, J, Subrahmanyan, R, Tingay, SJ, Wayth, RB, Waterson, M, Webster, RL, Whitney, AR, Williams, A, Williams, CL & Wyithe, JSB 2012, 'Fast Holographic Deconvolution: A new technique for precision radio interferometry', Astrophysical Journal, vol. 759, no. 1, 17. https://doi.org/10.1088/0004-637X/759/1/17

TY - JOUR

T1 - Fast Holographic Deconvolution

T2 - A new technique for precision radio interferometry

AU - Sullivan, I. S.

AU - Morales, M. F.

AU - Hazelton, B. J.

AU - Arcus, W.

AU - Barnes, D.

AU - Bernardi, G.

AU - Briggs, F. H.

AU - Bowman, J. D.

AU - Bunton, J. D.

AU - Cappallo, R. J.

AU - Corey, B. E.

AU - Deshpande, A.

AU - Desouza, L.

AU - Emrich, D.

AU - Gaensler, B. M.

AU - Goeke, R.

AU - Greenhill, L. J.

AU - Herne, D.

AU - Hewitt, J. N.

AU - Johnston-Hollitt, M.

AU - Kaplan, D. L.

AU - Kasper, J. C.

AU - Kincaid, B. B.

AU - Koenig, R.

AU - Kratzenberg, E.

AU - Lonsdale, C. J.

AU - Lynch, M. J.

AU - McWhirter, S. R.

AU - Mitchell, D. A.

AU - Morgan, E.

AU - Oberoi, D.

AU - Ord, S. M.

AU - Pathikulangara, J.

AU - Prabu, T.

AU - Remillard, R. A.

AU - Rogers, A. E.E.

AU - Roshi, A.

AU - Salah, J. E.

AU - Sault, R. J.

AU - Shankar, N. Udaya

AU - Srivani, K. S.

AU - Stevens, J.

AU - Subrahmanyan, R.

AU - Tingay, S. J.

AU - Wayth, R. B.

AU - Waterson, M.

AU - Webster, R. L.

AU - Whitney, A. R.

AU - Williams, A.

AU - Williams, C. L.

AU - Wyithe, J. S.B.

PY - 2012/11/1

Y1 - 2012/11/1

N2 - We introduce the Fast Holographic Deconvolution method for analyzing interferometric radio data. Our new method is an extension of A-projection/software-holography/forward modeling analysis techniques and shares their precision deconvolution and wide-field polarimetry, while being significantly faster than current implementations that use full direction-dependent antenna gains. Using data from the MWA 32 antenna prototype, we demonstrate the effectiveness and precision of our new algorithm. Fast Holographic Deconvolution may be particularly important for upcoming 21cm cosmology observations of the Epoch of Reionization and Dark Energy where foreground subtraction is intimately related to the precision of the data reduction.

AB - We introduce the Fast Holographic Deconvolution method for analyzing interferometric radio data. Our new method is an extension of A-projection/software-holography/forward modeling analysis techniques and shares their precision deconvolution and wide-field polarimetry, while being significantly faster than current implementations that use full direction-dependent antenna gains. Using data from the MWA 32 antenna prototype, we demonstrate the effectiveness and precision of our new algorithm. Fast Holographic Deconvolution may be particularly important for upcoming 21cm cosmology observations of the Epoch of Reionization and Dark Energy where foreground subtraction is intimately related to the precision of the data reduction.

KW - dark ages, reionization, first stars

KW - techniques: image processing

KW - techniques: interferometric

UR - http://www.scopus.com/inward/record.url?scp=84868135487&partnerID=8YFLogxK

U2 - 10.1088/0004-637X/759/1/17

DO - 10.1088/0004-637X/759/1/17

M3 - Article

SN - 0004-637X

VL - 759

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1

M1 - 17

ER -

Fast Holographic Deconvolution: A new technique for precision radio interferometry

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