| | |
Summary: Astronomy & Astrophysics manuscript no. 4927 September 12, 2006
(DOI: will be inserted by hand later)
Unbinned maximum-likelihood estimators for low-count data
Applications to faint X-ray spectra in the Taurus Molecular Cloud
Kaspar Arzner1, Manuel G¨udel1, Kevin Briggs1, Alessandra Telleschi1,
Manfred Schmidt2, Marc Audard3, Luigi Scelsi4, and Elena Franciosini4
1
Paul Scherrer Institut, CH 5232 Villigen, Switzerland
e-mail: arzner@astro.phys.ethz.ch
2
Zurich University of Applied Sciences, Winterthur, Switzerland
3
Columbia Astrophysical Laboratory, 550 West 120th St, MC 5247, New York, NY 10027, USA
4
Dipartimento di Scienze Fisiche e Astronomiche, Piazza del Parlamento 1, 90134 Palermo, Italy
5
INAF-Osservatorio Astronomico di Palermo, Piazza del Parlamento 1, 90134 Palermo, Italy
the date of receipt and acceptance should be inserted later
Abstract. Traditional binned statistics such as 2
suffer from information loss and arbitrariness of the binning procedure,
|
