Volume 496, Number 3, March IV 2009
|Page(s)||683 - 693|
|Published online||30 January 2009|
A.1 gives the photometric calibration coefficients for the seven observed cluster fields, as indicated in Fig. 1, and the background field (field 8). Zero points (ZP), extinction coefficients k and colour terms (CT) are given for the two filters V and I.
Table A.2 lists the photometric parameters of our sample of 92 probable Centaurus cluster early-type galaxies. The table is ordered by increasing apparent magnitude. The first column gives the object ID, in which the first number refers to the field in which the object is located (cf. Fig. 1). Right ascension and declination (J2000.0) are given in columns two and three. The fourth and fifth column contain the extinction corrected magnitude V0 and colour (V-I)0. In columns six and seven, the central surface brightness and the scale length hR of an exponential fit to the surface brightness profile are listed. and hR are not given for objects, whose surface brightness profiles are not well described by an exponential law, i.e. objects brighter than V0=16.1 mag and the three cE galaxy candidates (see Sect. 3.3.2). Columns eight, nine and ten give the effective surface brightness , the effective radius and the profile shape index n, as obtained from a Sérsic fit. The physical scale is 0.22 kpc/arcsec at the assumed distance modulus of (m-M)=33.28 mag (Mieske et al. 2005a).
Table A.1: Photometric calibration coefficients.
Table A.2: Catalogue of the probable Centaurus cluster early-type galaxies in our sample.
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