SIMBAD references

2001A&A...373..473R - Astronomy and Astrophysics, volume 373, 473-484 (2001/7-2)

X-ray emission from the Sculptor galaxy NGC 300.

READ A.M. and PIETSCH W.

Abstract (from CDS):

We report here the results of a full analysis of all the ROSAT PSPC spectral imaging observations and all the ROSAT HRI high resolution imaging observations of the very nearby (D=2.1Mpc) Sculptor galaxy, NGC 300. Many point sources are detected within the field, several of them showing evidence for variability, and we present full source lists detailing their X-ray properties, and attempt to classify them on the basis of their temporal, spectral and multi-wavelength characteristics. A black hole X-ray binary candidate, a supersoft source and several supernova remnants and Hii regions are detected in X-rays, as is unresolved, possibly diffuse emission, accounting for perhaps ∼20% of the total NGC 300 X-ray (0.1-2.4keV) luminosity (5.8x1038erg/s). We compare the X-ray source luminosity distribution of NGC 300 with that of other nearby galaxies, and we also compare NGC 300 with its Sculptor neighbours, concluding that it is a quite an unremarkable system, showing no unusual X-ray (or other multi-wavelength) properties. It may be one of the best examples of a completely typical normal quiescent late-type spiral galaxy.

Abstract Copyright:

Journal keyword(s): galaxies: clusters: sculptor - galaxies: individual: NGC 300 - galaxies: ISM - galaxies: spiral - X-rays: galaxies

Nomenclature: Tables 2, A1: [RP2001] PNN N=26+21 among (Nos P1-P66). Tables 3, A2: [RP2001] HNN (Nos H1-H18).

Simbad objects: 67

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