2012ApJ...759...17S

Query : 2012ApJ...759...17S

2012ApJ...759...17S - Astrophys. J., 759, 17 (2012/November-1)

Fast holographic deconvolution: a new technique for precision radio interferometry.

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., JOHNSTON-HOLLITT M., KAPLAN D.L., KASPER J.C., KINCAID B.B., KOENIG R., KRATZENBERG E., LONSDALE C.J., LYNCH M.J., McWHIRTER S.R., MITCHELL D.A., MORGAN E., OBEROI D., ORD S.M., PATHIKULANGARA J., PRABU T., REMILLARD R.A., ROGERS A.E.E., ROSHI A., SALAH J.E., SAULT R.J., UDAYA SHANKAR N., SRIVANI K.S., STEVENS J., SUBRAHMANYAN R., TINGAY S.J., WAYTH R.B., WATERSON M., WEBSTER R.L., WHITNEY A.R., WILLIAMS A., WILLIAMS C.L. and WYITHE J.S.B.

Abstract (from CDS):

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 21 cm cosmology observations of the Epoch of Reionization and Dark Energy where foreground subtraction is intimately related to the precision of the data reduction.

Abstract Copyright: ∼

Journal keyword(s): dark ages, reionization, first stars - techniques: image processing - techniques: interferometric

Simbad objects: 2

goto Full paper

goto View the references in ADS

Number of rows : 2
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 ESO 252-18A Sy1 05 19 49.7229323856 -45 46 43.852662732   15.73 15.77 14.85   ~ 714 0
2 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1

To bookmark this query, right click on this link: simbad:objects in 2012ApJ...759...17S and select 'bookmark this link' or equivalent in the popup menu