emamajek on 19-Feb-2019 06:49:08 GMT about ::error::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: java.lang.StringIndexOutOfBoundsException: offset 4100,length 70 at java.base/java.lang.String.checkOffset(String.java:3289) at java.base/java.lang.AbstractStringBuilder.insert(AbstractStringBuilder.java:1244) at java.base/java.lang.StringBuffer.insert(StringBuffer.java:592) at java.base/java.lang.StringBuffer.insert(StringBuffer.java:106) at java.base/java.lang.AbstractStringBuilder.insert(AbstractStringBuilder.java:1191) at java.base/java.lang.StringBuffer.insert(StringBuffer.java:579) at cds.xml.XmlGen.addAttr(XmlGen.java:310) at cds.xml.Html.addAttr(Html.java:269) at cds.simbad.servlet.SimbadNavigationBar.display(SimbadNavigationBar.java:179) at cds.simbad.servlet.WebSimbadTools.cdsHeader(WebSimbadTools.java:184) at cds.simbad.servlet.WebOutputHtml.begin(WebOutputHtml.java:79) at cds.simbad.servlet.WebOutput.write(WebOutput.java:106) at cds.simbad.servlet.WebSimbadCoo.doPost(WebSimbadCoo.java:351) at cds.simbad.servlet.WebSimbadCoo.doGet(WebSimbadCoo.java:85) at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:227) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:433) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:893) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1707) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:834) ::data:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: WASP-24
WASP-24 has entry in Washington Double Star catalog (WDS J15089+0221), with a candidate companion at sep = 16.7", PA = 166 deg. The companion has a Gaia DR2 entry (Gaia DR2 1153682504094618624), but its proper motion and parallax (plx = 1.1998 +- 0.7001 mas; pmRA, pmDec = -6.258, -9.922 (+-1.198, 1.045) mas/yr) are not a good match for WASP-24 (Gaia DR2 1153682508388170112; plx = 3.0764 +- 0.0424 mas, pmRA, pmDec = -16.713, -8.702 (+-0.062, 0.065) mas/yr).
However, WASP-24 has a more distant companion at separation 21".84, PA = 258.17 deg (Gaia DR2 1153682508388170496 = 2MASS J15085031+0220313 = AllWISE J150850.29+022031.2), which is discussed in Sec. 2.4 of Street+ 2010 (2010ApJ...720..337S; star is dubbed "N1").
2010ApJ...720..337S
finds the star to be an eclipsing binary. This companion appears to share common proper motion and parallax with WASP-24: RA, Dec = 227.20955636472, +02.34204248461 (ICRS, epoch 2015.5), plx = 2.9139 +- 0.1092 mas, pmRA, pmDec = -16.664, -8.897 (+-0.170, 0.176) mas/yr. The colors and magnitude are consistent with an early M dwarf.
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