<?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>S0185-11012022000100121</article-id>
<article-id pub-id-type="doi">10.22201/ia.01851101p.2022.58.01.10</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A New Visit to the Variable Stars in M56 and its Colour-Magnitude Diagram Structure]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Deras]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arellano Ferro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bustos Fierro]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yepez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Astronomía ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Córdoba Observatorio Astronómico ]]></institution>
<addr-line><![CDATA[Córdoba ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>58</volume>
<numero>1</numero>
<fpage>121</fpage>
<lpage>132</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-11012022000100121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-11012022000100121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-11012022000100121&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT We present a VI CCD photometric study and a membership analysis of the globular cluster M56 (NGC 6779). This produced a CMD decontaminated from field stars, which enabled a better confrontation with theoretical isochrones, zeroage horizontal branches (ZAHB) and post-ZAHB evolutionary tracks. Post He-flash evolutionary models with a He-core mass of 0.5 M&#10752; and envelopes of 0.04 - 0.18 M&#10752;, cover the complete horizontal branch. Models with total mass &#8776; 0:68 M&#10752; explain the RR Lyrae, while those with a mass &#8776; 0:56 M&#10752; and a very subtle envelope, explain the Pop II cepheids with a progenitor in the blue tail of the HB. Based on the Fourier decomposition of the V light curve of a single cluster member RRc star, we determined a metallicity of [Fe=H]ZW = -1:96±0:09. Several independent distance determination approaches lead to a mean distance to M56 of &#9001;d&#9002; = 9.4 ± 0.4 kpc. Finally, we report 5 new variables: one SX Phe, three EB, and one RRc.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Presentamos un estudio fotométrico y un análisis de membresía del cúmulo globular M56 (NGC 6779) con imágenes CCD VI. Construimos un diagrama colormagnitud sin contaminación de estrellas de campo, y lo comparamos con modelos de isócronas, rama horizontal de edad cero (ZAHB) y trazas evolutivas post-ZAHB. Modelos con masas de 0.5 M&#10752; y envolventes de 0.04 - 0.18 M&#10752;, representan toda la rama horizontal (HB). Modelos con masas &#8776; 0:68 M&#10752; son adecuados para estrellas RR Lyrae, mientras que masas de &#8776; 0:56 M&#10752; y envolventes muy delgadas explican a las estrellas de Pob II con un progenitor en la cola azul de la HB. La descomposición de Fourier de la curva de luz de la única RRc miembro del cúmulo sugiere la metalicidad [Fe=H]ZW = -1:96±0:09. La distancia media de M56 obtenida por métodos independientes es &#9001;d&#9002; = 9.4 ± 0.4 kpc. Reportamos 5 nuevas variables: una SX Phe, tres EB, y una RRc.]]></p></abstract>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arellano Ferro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bramich]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Giridhar]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[RMxAA]]></source>
<year>2017</year>
<volume>53</volume>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arellano Ferro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Figuera Jaimes]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Giridhar]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2011</year>
<volume>416</volume>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arellano Ferro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Yepez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Muneer]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2020</year>
<volume>499</volume>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bonnarel]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernique]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Bienaymé]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;AS]]></source>
<year>2000</year>
<volume>143</volume>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bono]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Caputo]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Stellingwerf]]></surname>
<given-names><![CDATA[R. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1994</year>
<volume>423</volume>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bramich]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2008</year>
<volume>386</volume>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bramich]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Figuera Jaimes]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Giridhar]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Arellano Ferro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2011</year>
<volume>413</volume>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bramich]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Horne]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Albrow]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2013</year>
<volume>428</volume>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Burke]]></surname>
<given-names><![CDATA[E. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Rolland]]></surname>
<given-names><![CDATA[W. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Boy]]></surname>
<given-names><![CDATA[W. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[JRASC]]></source>
<year>1970</year>
<volume>64</volume>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bustos Fierro]]></surname>
<given-names><![CDATA[I. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Calderón]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2019</year>
<volume>488</volume>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Catelan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Pritzl]]></surname>
<given-names><![CDATA[B. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[H. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJS]]></source>
<year>2004</year>
<volume>154</volume>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Catelan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ap&amp;SS]]></source>
<year>2009</year>
<volume>320</volume>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Clement]]></surname>
<given-names><![CDATA[C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jankulak]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Simon]]></surname>
<given-names><![CDATA[N. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1992</year>
<volume>395</volume>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Clement]]></surname>
<given-names><![CDATA[C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Muzzin]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dufton]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>2001</year>
<volume>122</volume>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cohen]]></surname>
<given-names><![CDATA[R. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sarajedini]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2012</year>
<volume>419</volume>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Deason]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Belokurov]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Evans]]></surname>
<given-names><![CDATA[N. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Johnston]]></surname>
<given-names><![CDATA[K. V.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>2013</year>
<volume>763</volume>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Deras]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Arellano Ferro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lázaro]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2019</year>
<volume>486</volume>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dworetsky]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>1983</year>
<volume>203</volume>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[A. G. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vallenari]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<collab>Gaia Collaboration</collab>
<source><![CDATA[A&amp;A]]></source>
<year>2021</year>
<volume>649</volume>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brown]]></surname>
<given-names><![CDATA[A. G. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vallenari]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<collab>Gaia Collaboration</collab>
<source><![CDATA[A&amp;A]]></source>
<year>2018</year>
<volume>616</volume>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guldenschuh]]></surname>
<given-names><![CDATA[K. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Layden]]></surname>
<given-names><![CDATA[A. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Wan]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[PASP]]></source>
<year>2005</year>
<volume>117</volume>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Harris]]></surname>
<given-names><![CDATA[W. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1996</year>
<volume>112</volume>
</nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hatzidimitriou]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Antoniou]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Papadakis]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2004</year>
<volume>348</volume>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ivanov]]></surname>
<given-names><![CDATA[V. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Borissova]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso-Herrero]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Russeva]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>2000</year>
<volume>119</volume>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jurcsik]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kovács]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>1996</year>
<volume>312</volume>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kovács]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Kanbur]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>1998</year>
<volume>295</volume>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kron]]></surname>
<given-names><![CDATA[G. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Guetter]]></surname>
<given-names><![CDATA[H. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1976</year>
<volume>81</volume>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Landolt]]></surname>
<given-names><![CDATA[A. U.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>1992</year>
<volume>104</volume>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[Y.-W.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1990</year>
<volume>363</volume>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Massari]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Koppelman]]></surname>
<given-names><![CDATA[H. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Helmi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[A&amp;A]]></source>
<year>2019</year>
<volume>630</volume>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Morgan]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Wahl]]></surname>
<given-names><![CDATA[J. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Wieckhorst]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2007</year>
<volume>374</volume>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nemec]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cohen]]></surname>
<given-names><![CDATA[J. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ripepi]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>2013</year>
<volume>773</volume>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Piatti]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Carballo-Bello]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2019</year>
<volume>485</volume>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pietrukowicz]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Olech]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kedzierski]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[AcA]]></source>
<year>2008</year>
<volume>58</volume>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pols]]></surname>
<given-names><![CDATA[O. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Schröder]]></surname>
<given-names><![CDATA[K.-P.]]></given-names>
</name>
<name>
<surname><![CDATA[Hurley]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Tout]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Eggleton]]></surname>
<given-names><![CDATA[P. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>1998</year>
<volume>298</volume>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pols]]></surname>
<given-names><![CDATA[O. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Tout]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Schroder]]></surname>
<given-names><![CDATA[K.-P.]]></given-names>
</name>
<name>
<surname><![CDATA[Eggleton]]></surname>
<given-names><![CDATA[P. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Manners]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>1997</year>
<volume>289</volume>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Poretti]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Clementini]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Held]]></surname>
<given-names><![CDATA[E. V.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>2008</year>
<volume>685</volume>
</nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schlafly]]></surname>
<given-names><![CDATA[E. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Finkbeiner]]></surname>
<given-names><![CDATA[D. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>2011</year>
<volume>737</volume>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schlegel]]></surname>
<given-names><![CDATA[D. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Finkbeiner]]></surname>
<given-names><![CDATA[D. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Davis]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1998</year>
<volume>500</volume>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schröder]]></surname>
<given-names><![CDATA[K.-P.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuntz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>2005</year>
<volume>630</volume>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schröder]]></surname>
<given-names><![CDATA[K.-P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pols]]></surname>
<given-names><![CDATA[O. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Eggleton]]></surname>
<given-names><![CDATA[P. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>1997</year>
<volume>285</volume>
</nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Searle]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Zinn]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1978</year>
<volume>225</volume>
</nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stetson]]></surname>
<given-names><![CDATA[P. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[PASP]]></source>
<year>2000</year>
<volume>112</volume>
</nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sturch]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>1966</year>
<volume>143</volume>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[M. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Shopbell]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Britton]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ebert]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[ASPC, 347, Astronomical Data Analysis Software and Systems XIV]]></source>
<year>2005</year>
<publisher-loc><![CDATA[San Francisco, CA ]]></publisher-loc>
<publisher-name><![CDATA[ASP]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[VandenBerg]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bergbusch]]></surname>
<given-names><![CDATA[P. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferguson]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Edvardsson]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJ]]></source>
<year>2014</year>
<volume>794</volume>
</nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[VandenBerg]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Clem]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<source><![CDATA[AJ]]></source>
<year>2003</year>
<volume>126</volume>
</nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yepez]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Arellano Ferro]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Deras]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[MNRAS]]></source>
<year>2020</year>
<volume>494</volume>
</nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramakrishnan]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Livny]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[ACM SIGMOD Record]]></source>
<year>1996</year>
<volume>25</volume>
</nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zinn]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[West]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[ApJS]]></source>
<year>1984</year>
<volume>55</volume>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
