<?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>S0185-11012006000100002</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Centimeter Emission in the UY Aur System]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras]]></surname>
<given-names><![CDATA[M. E.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wilkin]]></surname>
<given-names><![CDATA[F. P.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Astronomía ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Union College Department of Physics and Astronomy ]]></institution>
<addr-line><![CDATA[Nueva York ]]></addr-line>
<country>Estados Unidos de América</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2006</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2006</year>
</pub-date>
<volume>42</volume>
<numero>1</numero>
<fpage>15</fpage>
<lpage>18</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-11012006000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-11012006000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-11012006000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Reportamos observaciones de continuo a 3.6 cm tomadas con el Very Large Array (VLA) del joven sistema binario UY Aur. La binaria está compuesta por una estrella T Tauri, UY Aur A, y una llamada "Compañera Infrarroja" (IRC), UY Aur B separadas por 0"89. UY Aur es un sistema interesante porque muestra características observacionales cuyo origen no se entiende del todo. Una de estas características es el índice espectral inusualmente bajo que se encuentra en la región del milimétrico. En nuestro estudio con el VLA, hemos detectado radiación continua centimétrica que coincide con las posiciones medidas a 1.3 y 2.7 mm y es consistente con la posición óptica de UY Aur. Concluimos que la emisión a 3.6 cm está asociada con el sistema binario. Más aún, sugerimos que la emisión centimétrica podría estar relacionada con un flujo bipolar previamente reportado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[We report 3.6 cm continuum observations taken with the Very Large Array (VLA) of the young binary system UY Aur. The binary consists of a T Tauri star, UY Aur A, and a so-called "infrared companion" (IRC), UY Aur B, separated by 0"89. UY Aur is an interesting system because it shows observational features whose origin is not well understood. One of them is the unusual low spectral index found in the millimeter region. In our VLA study, we have detected centimeter continuum radiation that coincides with the reported positions at 1.3 and 2.7 mm and is consistent with the optical position of UY Aur. We conclude that the 3.6 cm emission is associated with the binary system. Furthermore, we suggest that the centimeter emission might be related to a previously reported bipolar outflow.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[STARS]]></kwd>
<kwd lng="en"><![CDATA[STARS]]></kwd>
<kwd lng="en"><![CDATA[STARS]]></kwd>
<kwd lng="en"><![CDATA[STARS]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[   	    <p align="center"><font face="verdana" size="4"><b>Centimeter Emission in the UY Aur System</b></font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>M. E. Contreras<sup>1</sup> and F. P. Wilkin<sup>1,2</sup></b></font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="left"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><sup><i>1</i></sup> <i>Centro de Radioastronom&iacute;a y Astrof&iacute;sica (CRyA), UNAM, Apdo. Postal 3&#45;72 (Xangari), 58089 Morelia, Mich., M&eacute;xico. Present address: Instituto de Astronom&iacute;a, UNAM, Apdo. Postal 877, 22800 Ensenada, B. C., M&eacute;xico</i> (<a href="mailto:m.contreras@astrosmo.unam.mx">m.contreras@astrosmo.unam.mx</a>; <a href="mailto:mcontreras@astrosen.unam.mx">mcontreras@astrosen.unam.mx</a>).</font></p>  	    <p align="justify"><font face="verdana" size="2"><sup><i>2</i></sup> <i>Department of Physics and Astronomy, Union College, Schenectady, NY, 12308, USA</i> (<a href="mailto:wilkinf@union.edu">wilkinf@union.edu</a>).</font></p>  	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2">Received 2005 August 3    ]]></body>
<body><![CDATA[<br> Aaccepted 2005 October 7</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>      <p align="justify"><font face="verdana" size="2"><b>RESUMEN</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Reportamos observaciones de continuo a 3.6 cm tomadas con el Very Large Array (VLA) del joven sistema binario UY Aur. La binaria est&aacute; compuesta por una estrella T Tauri, UY Aur A, y una llamada "Compa&ntilde;era Infrarroja" (IRC), UY Aur B separadas por 0"89. UY Aur es un sistema interesante porque muestra caracter&iacute;sticas observacionales cuyo origen no se entiende del todo. Una de estas caracter&iacute;sticas es el &iacute;ndice espectral inusualmente bajo que se encuentra en la regi&oacute;n del milim&eacute;trico. En nuestro estudio con el VLA, hemos detectado radiaci&oacute;n continua centim&eacute;trica que coincide con las posiciones medidas a 1.3 y 2.7 mm y es consistente con la posici&oacute;n &oacute;ptica de UY Aur. Concluimos que la emisi&oacute;n a 3.6 cm est&aacute; asociada con el sistema binario. M&aacute;s a&uacute;n, sugerimos que la emisi&oacute;n centim&eacute;trica podr&iacute;a estar relacionada con un flujo bipolar previamente reportado.</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 3.6 cm continuum observations taken with the Very Large Array (VLA) of the young binary system UY Aur. The binary consists of a T Tauri star, UY Aur A, and a so&#45;called "infrared companion" (IRC), UY Aur B, separated by 0"89. UY Aur is an interesting system because it shows observational features whose origin is not well understood. One of them is the unusual low spectral index found in the millimeter region. In our VLA study, we have detected centimeter continuum radiation that coincides with the reported positions at 1.3 and 2.7 mm and is consistent with the optical position of UY Aur. We conclude that the 3.6 cm emission is associated with the binary system. Furthermore, we suggest that the centimeter emission might be related to a previously reported bipolar outflow.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Key Words:</b> STARS: BINARIES &#151; STARS: INDIVIDUAL (UY AUR) &#151; STARS: WINDS, OUTFLOWS.</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/v42n1/v42n1a2.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>  	    ]]></body>
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