<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0185-1101</journal-id>
<journal-title><![CDATA[Revista mexicana de astronomía y astrofísica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. astron. astrofis]]></abbrev-journal-title>
<issn>0185-1101</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Astronomía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-11012009000200011</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A pre-merger in the Luminous Infrared System IRAS 02290+2533]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[Fidel]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aceves]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A02">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Astronomía ]]></institution>
<addr-line><![CDATA[Ensenada B. C.]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2009</year>
</pub-date>
<volume>45</volume>
<numero>2</numero>
<fpage>231</fpage>
<lpage>238</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-11012009000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-11012009000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-11012009000200011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Reportamos imágenes y fotometría obtenidas en el óptico y cercano infrarrojo, de la fuente IRAS 02290+2533. Las observaciones muestran que esta fuente es un sistema de tres galaxias. Dos galaxias (A y B), cuya separación proyectada es de &#8776; 10kpc, muestran evidencias de una interacción de marea entre ellas. La galaxia tipo espiral B presenta una emisión extendida en H&#945; y una luminosidad infrarroja alta, desde longitudes de onda cercanas a medias. Sugerimos que tal luminosidad se debe a un brote de formación estelar, que abarca probablemente casi todo el disco, originado por la interacción gravitacional en curso con la galaxia A. La galaxia B puede ser clasificada como una Galaxia Infrarroja Luminosa (LIRG). Estimamos que una fusión binaria de galaxias puede ocurrir en el sistema dentro de <img border=0 src="img/revistas/rmaa/v45n2/a11s1.jpg">1 Gyr. Es probable que esta fuente IRAS albergue en un futuro una galaxia Ultra LIRG, en concordancia con el modelo evolutivo de Sanders & Mirabel (1996).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[We report optical and near-infrared imaging and photometry for the IRAS 02290+2533 source. Observations show that this source is a system of three galaxies. Two galaxies (A and B), which are separated in projection &#8776; 10kpc, show some evidence of tidal interaction between them. The spiral-like Galaxy B presents a disk-wide Ha emission and a high infrared luminosity, from near to mid-infrared wavelengths. We suggest that such luminosity is due to a probable disk-wide star-burst triggered by the ongoing gravitational interaction with Galaxy A. Galaxy B can be classified as a Luminous Infrared Galaxy (LIRG). We estimate that a binary merger in the system is likely to occur in <img border=0 src="img/revistas/rmaa/v45n2/a11s1.jpg">1 Gyr. It is probable that this IRAS source will harbor in the future an Ultra LIRG, according to the evolutionary scheme of Sanders & Mirabel (1996).]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[galaxies: interactions]]></kwd>
<kwd lng="en"><![CDATA[galaxies: photometry]]></kwd>
<kwd lng="en"><![CDATA[infrared: galaxies]]></kwd>
<kwd lng="en"><![CDATA[infrared: general]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center"><font face="verdana" size="4"><b>A pre&#150;merger in the Luminous Infrared System IRAS 02290+2533</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Fidel Cruz<sup>1</sup> and H&eacute;ctor Aceves<sup>2 </sup></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>1</sup> Bah&iacute;a San Quint&iacute;n, Ensenada, B. C., M&eacute;xico. (<a href="mailto:fidelcru@gmail.com">fidelcru@gmail.com</a>).</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>2</sup> Instituto de Astronom&iacute;a, Universidad Nacional Aut&oacute;noma de M&eacute;xico, Apdo. Postal 877, 22800 Ensenada, B. C., M&eacute;xico. (<a href="mailto:aceves@astrosen.unam.mx">aceves@astrosen.unam.mx</a>).</i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Received 2008 October 21    <br> Accepted 2009 August 3</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>RESUMEN</b></font></p>     <p align="justify"><font face="verdana" size="2">Reportamos im&aacute;genes y fotometr&iacute;a obtenidas en el &oacute;ptico y cercano infrarrojo, de la fuente IRAS 02290+2533. Las observaciones muestran que esta fuente es un sistema de tres galaxias. Dos galaxias (A y B), cuya separaci&oacute;n proyectada es de &#8776; 10kpc, muestran evidencias de una interacci&oacute;n de marea entre ellas. La galaxia tipo espiral B presenta una emisi&oacute;n extendida en H&#945; y una luminosidad infrarroja alta, desde longitudes de onda cercanas a medias. Sugerimos que tal luminosidad se debe a un brote de formaci&oacute;n estelar, que abarca probablemente casi todo el disco, originado por la interacci&oacute;n gravitacional en curso con la galaxia A. La galaxia B puede ser clasificada como una Galaxia Infrarroja Luminosa (LIRG). Estimamos que una fusi&oacute;n binaria de galaxias puede ocurrir en el sistema dentro de <img src="./img/revistas/rmaa/v45n2/a11s1.jpg">1 Gyr. Es probable que esta fuente IRAS albergue en un futuro una galaxia Ultra LIRG, en concordancia con el modelo evolutivo de Sanders &amp; Mirabel (1996).</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>ABSTRACT</b></font></p>     <p align="justify"><font face="verdana" size="2">We report optical and near&#150;infrared imaging and photometry for the IRAS 02290+2533 source. Observations show that this source is a system of three galaxies. Two galaxies (A and B), which are separated in projection &#8776; 10kpc, show some evidence of tidal interaction between them. The spiral&#150;like Galaxy B presents a disk&#150;wide Ha emission and a high infrared luminosity, from near to mid&#150;infrared wavelengths. We suggest that such luminosity is due to a probable disk&#150;wide star&#150;burst triggered by the ongoing gravitational interaction with Galaxy A. Galaxy B can be classified as a Luminous Infrared Galaxy (LIRG). We estimate that a binary merger in the system is likely to occur in <img src="./img/revistas/rmaa/v45n2/a11s1.jpg"> 1 Gyr. It is probable that this IRAS source will harbor in the future an Ultra LIRG, according to the evolutionary scheme of Sanders &amp; Mirabel (1996).</font></p>     <p align="justify"><font face="verdana" size="2"><b><i>Key Words: </i></b>galaxies: interactions &#151; galaxies: photometry &#151; infrared: galaxies &#151; infrared: general.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmaa/v45n2/v45n2a11.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a> </font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>REFERENCES</b></font></p>     ]]></body>
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