emamajek on 31-Mar-2019 02:21:51 GMT about ::error::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: java.lang.StringIndexOutOfBoundsException: offset 4082,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:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: BD-10 3166
BD-10 3166 and LP 731-76 (~20" away) are unrelated, i.e. LDS 4041 is a
visual binary, not a physical binary.
Lurie+2014 (2014AJ....148...91L) reports: "we do provide the first
accurate parallax, and conclude that BD-10 3166 is not physically
related to the star with a similar proper motion, LP 731-076, which is
20" away (Bartlett et al. 2014, in preparation)."
Here are reported parallaxes for the components of ** LDS 4041:
BD-10 3166 (K3.0V, V=10.0):
plx = 15.34+-3.08 mas (Lurie+2014),
plx = 11.8187+-0.0491 mas (Gaia DR2)
The inferred Mv (5.4) is bright for a star of its type (1.2 mag above
main sequence), however the star is extremely metal-rich ([Fe/H] =
0.38; Valenti & Fischer 2005) and its Teff (5393+-44 K; Valenti &
Fischer 2005) is typical of ~K0 dwarfs.
LP 731-76 (M5.0V; V=14.5):
plx = 69.1542 +- 0.0850 mas (Gaia DR2).
The inferred Mv (13.7) makes sense for mid-M dwarf with this parallax.
So the individual parallaxes are corroborated by their spectral
information, further strengthening the interpretation that the pair is
a chance alignment.
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