SIMBAD references

2007A&A...472...87G - Astronomy and Astrophysics, volume 472, 87-92 (2007/9-2)

Eight more ultra luminous X-ray candidates unmasked.

GUTIERREZ C.M. and LOPEZ-CORREDOIRA M.

Abstract (from CDS):

We aim to identify the nature of several objects previously catalogued as ultra-luminous X-ray (ULX) source candidates. Long-slit spectroscopy of the optical counterparts has been carried out. The eight objects are at higher redshift than their putative parent galaxies. It is found that these eight previously catalogued ULX candidates, most of them projected in galactic halos are actually background unrelated objects. This result confirms the high degree of contamination present in current catalogues of ULXs.

Abstract Copyright: ∼

Journal keyword(s): galaxies: quasars: general - X-rays: general

Nomenclature: Paragr. 3.8: [GL2007] QSO J1225+1813 abs N.NNNN N=1.

CDS comments: SW 78 = QSO J1225+1813.

Simbad objects: 15

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