Soft X-ray standards (Beuermann+, 2006)

Details Soft X-ray standards (Beuermann+, 2006) Soft X-ray standards (Beuermann+, 2006)

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat..34580541b&link_type=abstract

VizieR On-line Data Catalog: J/A+A/458/541. Originally published in: 2006A&A...458..541B

Physics

X-Ray Sources, Stars: Standard

Scientific paper

Table A1 contains the area correction functions to the Chandra LETG+HRCS effective areas for the negative and positive dispersion directions, alphaneg, alphapos, and their area-weighted mean alpha as well as the corrected effective areas for a gravity of HZ43A of logg=7.90. Tables A2 and A3 are for logg=7.80 and 8.00, respectively. The corrected area A is obtained as the recommended area of the Chandra November 2004 release (http://cxc.harvard.edu/cal/Letg, LETG/HRC-S Effective Area, updated November 2004), referred to as A0 in the paper, multiplied with the correction function alpha (see Section 4.4.1 of the paper for further explanation). The variation of the correction functions alpha and the corrected areas A between the three tables indicate their systematic errors around the nominal values of Table A1 which are depicted in Fig. 5 of the paper. The columns of Tables A1 to A3 provide the wavelength Lambda ({AA}), alphaneg, alphapos, alpha, Aneg (cm2), Apos (cm2), and A (cm2). The header to each Table contains the parameters of the respective fit.
Table A4 contains the best-fit incident soft X-ray spectra of HZ43A, SiriusB, and RXJ1856-37 for a gravity of HZ43A of logg=7.90 as shown in Fig. 6 of the paper (see also Table 3 of the paper). Tables A5 and A6 are for logg=7.80 and 8.00, respectively. The best-fit spectra are based on the most recent version of the Tuebingen Model Atmosphere Package TMAP (Werner et al. 2003, in: Workshop on Stellar Atmosphere Modeling, eds. I. Hubeny, D. Mihalas, K. Werner, ASP Conf. Ser. 288, 31; Rauch & Deetjen 2003, ASP Conf. Ser. 288, 103). The columns of Tables A1 to A3 provide the wavelength Lambda ({AA}) and the photon fluxes of the three stars in photons/cm2/s/{AA}. The header to each Table contains the parameters of the respective fit.
(6 data files).

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