emamajek on 22-Dec-2024 09:03:14 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:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: UCAC4 486-052109
The Gaia DR2 parallax for UCAC4 486-052109 (Gaia DR2 3863292438160881792) is suggestive that it *might* be a very nearby star (plx=59.4668+-0.9540mas), however its Gaia DR3 solution is extremely noisy (sepsi=2.937e6, epsi=68.692mas) and an updated DR3 parallax was not provided. The Gaia DR2 proper motion is also suspiciously small (11.5 mas/yr) for such a high parallax (implying Vtan = 0.9 km/s!).
The LAMOST spectral data for this star from
2018ApJS..235...16B
(Teff=6105K, SpT=F6, logg=4.24) and predicted radius if the Gaia DR2 parallax is taken at face value (rad=0.035Rsun;
2020ApJS..247...28H
) are also not consistent. Together, these observations seem to suggest that UCAC4 486-052109 is much more likely to be a distant F dwarf rather than a very nearby star (and hence its GaiaDR2 parallax is likely highly over-estimated due to unresolved binarity).
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View annotation on UCAC4 486-052109 object