<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE dataset SYSTEM "http://tarantella.gsfc.nasa.gov/xml/dataset_048.dtd">
<dataset subject="astronomy" xmlns:xlink="http://www.w3.org/XML/XLink/0.9">
	<title>Lunar Occultations of IRAS Point Sources, 1986-1990</title>
	<altname type="ADC">1123</altname>
		<altname type="CDS">I/123</altname>
		<altname type="brief">Lunar Occultations of IRAS Point Sources, 1986-1990</altname>
	<reference>
		<source>
<journal>
	<title>Lunar Occultations of IRAS Point Sources, 1986-1990</title>
	<author>
			<initial>M</initial>
			<lastName>Simon</lastName></author>
	<author>
			<initial>L</initial>
			<lastName>Cassar</lastName></author>
	<author>
			<initial>W</initial>
			<initial>P</initial>
			<lastName>Chen</lastName></author>
	<name>Astrophys. J. Suppl. Ser.</name>
	<volume>62</volume>
	<pageno>673</pageno>
		<date>
			<year>1986</year></date>
	<bibcode>1986ApJS...62..673S</bibcode></journal></source></reference>
	<keywords parentListURL="http://messier.gsfc.nasa.gov/xml/keywordlists/adc_keywords.html">
			<keyword xlink:href="Infrared_sources.html">Infrared sources</keyword>
			<keyword xlink:href="Occultations.html">Occultations</keyword></keywords>
	<descriptions>
				<description>
				<para>
   The Lunar Occultations of IRAS Point Sources lists objects in the IRAS
   Point Source Catalog that were occulted by the Moon during 1986-1990.</para></description>
			<details>
			<para>
   The occultation predictions were based on the formulae for the lunar
   ephemeris developed by Van Flandern and Pulkinnen (1979).  The
   topocentric predictions from this code are accurate to about +/-30s.</para></details></descriptions>
	<tableHead>
		<tableLinks>
				<tableLink xlink:href="data.dat">
	<title>Data</title></tableLink></tableLinks>
	<fields>
		<field>
			<name>IRAS</name>
			<definition>IRAS Point Source Cat. Object Name</definition>
			<units>---</units></field>
		<field>
			<name>yr1</name>
			<definition>Starting Year
	<footnote>
			<para>
   yr1 and yr2 are the starting and ending years of the interval during which
        geometric events occur for the object. Some of the objects for which
        the ending year indicated is 1990 may actually have events in
        subsequent years because times later than 1990 were not considered in
        the present work. For objects having two intervals during 1986-1990
        in which geometric events occur, the second interval is indicated in
        the line following the first entry.</para></footnote></definition>
			<units>a</units></field>
		<field>
			<name>yr2</name>
			<definition>Ending Year
	<footnote>
			<para>
   yr1 and yr2 are the starting and ending years of the interval during which
        geometric events occur for the object. Some of the objects for which
        the ending year indicated is 1990 may actually have events in
        subsequent years because times later than 1990 were not considered in
        the present work. For objects having two intervals during 1986-1990
        in which geometric events occur, the second interval is indicated in
        the line following the first entry.</para></footnote></definition>
			<units>a</units></field>
		<field>
			<name>flux12</name>
			<definition>Mantissa for 12 um Flux Density
	<footnote>
			<para>
   flux fields list the mantissa of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote></definition>
			<units>Jy</units></field>
		<field>
			<name>exp12</name>
			<definition>Exponent for 12 um Flux Density
	<footnote>
			<para>
   exp fields list the exponent of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>flux25</name>
			<definition>Mantissa for 25 um Flux Density
	<footnote>
			<para>
   flux fields list the mantissa of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote></definition>
			<units>Jy</units></field>
		<field>
			<name>exp25</name>
			<definition>Exponent for 25 um Flux Density
	<footnote>
			<para>
   exp fields list the exponent of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>flux60</name>
			<definition>Mantissa for 60 um Flux Density
	<footnote>
			<para>
   flux fields list the mantissa of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote></definition>
			<units>Jy</units></field>
		<field>
			<name>exp60</name>
			<definition>Exponent for 60 um Flux Density
	<footnote>
			<para>
   exp fields list the exponent of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>flux100</name>
			<definition>Mantissa for 100 um Flux Density
	<footnote>
			<para>
   flux fields list the mantissa of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote></definition>
			<units>Jy</units></field>
		<field>
			<name>exp100</name>
			<definition>Exponent for 100 um Flux Density
	<footnote>
			<para>
   exp fields list the exponent of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>q_flux12</name>
			<definition>Quality of flux12
	<footnote>
			<para>
   flux fields list the mantissa of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote>
	<footnote>
			<para>
   q_flux fields refer to the flux-quality flags at 12, 25, 60 and 100 um,
        as indicated in the IRAS Point Source Catalog:
   H    =       high-quality detection
   M    =       medium-quality detection
   U    =       upper bound</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>q_flux25</name>
			<definition>Quality of flux25
	<footnote>
			<para>
   flux fields list the mantissa of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote>
	<footnote>
			<para>
   q_flux fields refer to the flux-quality flags at 12, 25, 60 and 100 um,
        as indicated in the IRAS Point Source Catalog:
   H    =       high-quality detection
   M    =       medium-quality detection
   U    =       upper bound</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>q_flux60</name>
			<definition>Quality of flux60
	<footnote>
			<para>
   flux fields list the mantissa of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote>
	<footnote>
			<para>
   q_flux fields refer to the flux-quality flags at 12, 25, 60 and 100 um,
        as indicated in the IRAS Point Source Catalog:
   H    =       high-quality detection
   M    =       medium-quality detection
   U    =       upper bound</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>q_flux100</name>
			<definition>Quality of flux100
	<footnote>
			<para>
   flux fields list the mantissa of the 12, 25, 60 and 100 um flux densities,
        in Janskys, as given in the IRAS Point Source Catalog.</para></footnote>
	<footnote>
			<para>
   q_flux fields refer to the flux-quality flags at 12, 25, 60 and 100 um,
        as indicated in the IRAS Point Source Catalog:
   H    =       high-quality detection
   M    =       medium-quality detection
   U    =       upper bound</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>cat</name>
			<definition>Catalog Number
	<footnote>
			<para>
   For an object for which an identification with an object listed in some
        other astronomical catalog is provided in the IRAS Point Source
        Catalog, the catalog number, following the conventions of the IRAS
        Point Source Catalog, is given.</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>name</name>
			<definition>Object Name in Other Catalog
	<footnote>
			<para>
   For an object for which an identification with an object listed in some
        other astronomical catalog is provided in the IRAS Point Source
        Catalog, the first object name, following the conventions of the IRAS
        Point Source Catalog, is given.</para></footnote></definition>
			<units>---</units></field>
		<field>
			<name>rem</name>
			<definition>Remark
	<footnote>
			<para>
   An asterisk appears where there is more than one identification with an
        object listed in another astronomical catalog. Only the first is
        indicated in cat and name. The rest may be obtained from the original
        catalog.
</para></footnote></definition>
			<units>---</units></field></fields></tableHead>
	
	<history>
		<ingest>
	
			<creator>
				<lastName>Julie Anne Watko</lastName>
				<affiliation>SSDOO/ADC</affiliation></creator>
	<date>
		<year>1996</year><month>Feb</month><day>09</day></date><acknowledgement>We thank Dr. Simon for forwarding this catalog to the ADC.</acknowledgement></ingest>
		</history>
	<identifier>I_123.xml</identifier></dataset>
