UCM 2257+2438, a new narrow-line seyfert 1 galaxy
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1992
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Rego Fernández, Manuel
Vitores, A. G.
González Riestra, R.
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IOP Publishing ltd
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Abstract
Multiwavelength observations of the galaxy UCM 2257+2438 found in the Universidad Complutense of Madrid (UCM) objective-prism survey are reported. The optic spectroscopy, CCD imaging, near-infrared and IRAS photometric data suggest that this object is a narrow-line Seyfert 1 placed in the nucleus of a Sa nearly face-on galaxy with a significant contribution from starlight.
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© American Astronomical Society.
This work was supported in part by the Spanish "Programa Sectorial de Promoción General del Conocimiento" under Grant No PB89-124. The authors wish to thank an anonymous referee for his valuable comments and suggestions.