EDP Sciences
Free access
Issue
A&A
Volume 436, Number 3, June IV 2005
Page(s) 1159 - 1165
Section Instruments, observational techniques, and data processing
DOI http://dx.doi.org/10.1051/0004-6361:20042512


A&A 436, 1159-1165 (2005)
DOI: 10.1051/0004-6361:20042512

ROMA: A map-making algorithm for polarised CMB data sets

G. de Gasperis1, A. Balbi1, 2, P. Cabella1, P. Natoli1, 2 and N. Vittorio1, 2

1  Dipartimento di Fisica, Università di Roma "Tor Vergata", via della Ricerca Scientifica 1, 00133, Roma, Italy
    e-mail: giancarlo.degasperis@roma2.infn.it
2  Sezione INFN Roma 2, via della Ricerca Scientifica 1, 00133, Roma, Italy

(Received 9 December 2004 / Accepted 3 February 2005 )

Abstract
We present ROMA, a parallel code to produce joint optimal temperature and polarisation maps out of multidetector CMB observations. ROMA is a fast, accurate, and robust implementation of the iterative generalised least-squares approach to map-making. We benchmark ROMA on realistic simulated data from the last polarisation-sensitive flight of BOOMERanG.


Key words: cosmology: cosmic microwave background -- methods: statistical -- methods: data analysis




© ESO 2005