========================================================================== J/PASJ/57/135 Chandra obs. of NGC 2146 (Inui+, 2005) The following files can be converted to FITS (extension .fit .fgz or .fiZ) table8.dat ========================================================================== Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=J/PASJ/57/135 ==========================================================================
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Beginning of ReadMe : J/PASJ/57/135 Chandra observation of NGC 2146 (Inui+, 2005) ================================================================================ Chandra observation of the starburst galaxy NGC 2146. Inui T., Matsumoto H., Tsuru T.G., Koyama K., Matsushita S., Peck A.B., Tarchi A. <Publ. Astron. Soc. Jap., 57, 135-145 (2005)> =2005PASJ...57..135I ================================================================================ ADC_Keywords: Active gal. nuclei ; X-ray sources Keywords: galaxies: active - galaxies: individual (NGC 2146) - galaxies: starburst - X-rays: galaxies Abstract: We present six monitoring observations of the starburst galaxy NGC 2146 using the Chandra X-ray Observatory. We detected 67 point sources in the field of view of the ACIS-S detector. Six of these sources were Ultra-Luminous X-ray Sources, the brightest of which had a luminosity of 5x10^39^erg/s. One of them, with a luminosity of 1x10^39^erg/s, is coincident with the dynamical center location, which may be a low-luminosity active galactic nucleus. We have produced a table where the positions and main characteristics of the detected sources are reported. A comparison between the positions of the X-ray sources and those detected in NIR or radio indicates no definite counterpart. We have derived a logN-logS relation and a luminosity function. The luminosity function has a slope of 0.71 above a detection limit, which is similar to those found in other starburst galaxies. Diffuse emissions were detected in both soft (0.5-2.0keV) and hard (2.0-10.0keV) energy bands. The spectra of the diffuse component were fitted with two (hard and soft) components. The hard power-law component, with a luminosity of 4x10^39^erg/s, is likely to have originated by unresolved point sources. Description: NGC 2146 was observed six times through 2002 August to December, with the Advanced CCD Imaging Spectrometer on board the Chandra X-ray Observatory (CXO).
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