<?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>A photometric catalogue of galaxies in the cluster Abell 496.</title>
	<altname type="ADC">J/A+AS/139/559</altname>
		<altname type="CDS">J/A+AS/139/559</altname>
		<altname type="brief">Abell 496 photometric catalogue</altname>
	<reference>
		<source>
<journal>
	<title>A photometric catalogue of galaxies in the cluster Abell 496.</title>
	<author>
			<initial>E</initial>
			<lastName>Slezak</lastName></author>
	<author>
			<initial>F</initial>
			<lastName>Durret</lastName></author>
	<author>
			<initial>J</initial>
			<lastName>Guibert</lastName></author>
	<author>
			<initial>C</initial>
			<lastName>Lobo</lastName></author>
	<name>Astron. Astrophys. Suppl. Ser.</name>
	<volume>139</volume>
	<pageno>559</pageno>
		<date>
			<year>1999</year></date>
	<bibcode>1999A&amp;AS..139..559S</bibcode></journal></source>
	<related>
			<holding role="similar">J/A+AS/139/525 :  Abell 496 heliocentric velocities (Durret+ 1999)<xlink:simple href="J/A+AS/139/525"/></holding></related></reference>
	<keywords parentListURL="http://messier.gsfc.nasa.gov/xml/keywordlists/adc_keywords.html">
			<keyword xlink:href="Clusters_galaxy.html">Clusters, galaxy</keyword>
			<keyword xlink:href="Magnitudes.html">Magnitudes</keyword></keywords>
	<keywords parentListURL="http://messier.gsfc.nasa.gov/xml/keywordlists/apj_keywords.html">
			<keyword xlink:href="galaxies_clusters_individual_(Abell_496).html">galaxies: clusters: individual (Abell 496)</keyword>
			<keyword xlink:href="galaxies_clusters_general.html">galaxies: clusters: general</keyword></keywords>
	<descriptions>
				<description>
				<para>
    Two catalogues of galaxies in the direction of the cluster Abell 496
    are presented. The first one includes 3,879 galaxies located in a
    region roughly +/-1.3 degree from the cluster centre ; it has been
    obtained by scanning part of a Schmidt photographic plate taken in the
    Bj band. Positions are very accurate but magnitudes are not. A second
    catalogue gives a list of galaxies with CCD magnitudes in the V (239
    galaxies) and R (610 galaxies) bands for a much smaller region in the
    centre of the cluster.</para></description>
                        <details/></descriptions>
	<tableHead>
		<tableLinks>
				<tableLink xlink:href="table1.dat">
	<title>Galaxy candidates from the SRC-J 621 plate</title></tableLink></tableLinks>
	<fields>
		<field>
			<name>Seq1</name>
			<definition>Running number</definition>
			<units>--</units></field>
		<field>
			<name>RAh</name>
			<definition>Right ascension (2000.0)</definition>
			<units>h</units></field>
		<field>
			<name>RAm</name>
			<definition>Right ascension (2000.0)</definition>
			<units>min</units></field>
		<field>
			<name>RAs</name>
			<definition>Right ascension (2000.0)</definition>
			<units>s</units></field>
		<field>
			<name>DE-</name>
			<definition>Declination sign (2000.0)</definition>
			<units>---</units></field>
		<field>
			<name>DEd</name>
			<definition>Declination (2000.0)</definition>
			<units>deg</units></field>
		<field>
			<name>DEm</name>
			<definition>Declination (2000.0)</definition>
			<units>arcmin</units></field>
		<field>
			<name>DEs</name>
			<definition>Declination (2000.0)</definition>
			<units>arcsec</units></field>
		<field>
			<name>amaj</name>
			<definition>Half major axis</definition>
			<units>arcsec</units></field>
		<field>
			<name>e</name>
			<definition>Eccentricity</definition>
			<units>--</units></field>
		<field>
			<name>PA</name>
			<definition>Position angle of the major axis</definition>
			<units>deg</units></field>
		<field>
			<name>bjmag</name>
			<definition>bj magnitude</definition>
			<units>mag</units></field>
		<field>
			<name>Xpos</name>
			<definition>X position relative to the X-ray centre
	<footnote footnoteId="???"><para>number=1</para>
			<para>Coordinates of the X-ray centre:
           RA = 04h 33m 37.9s, DE= -13{deg} 15' 47" (2000.0)
</para></footnote></definition>
			<units>arcsec</units></field>
		<field>
			<name>Ypos</name>
			<definition>Y position relative to the X-ray centre
	<footnote footnoteId="???"><para>number=1</para>
			<para>Coordinates of the X-ray centre:
           RA = 04h 33m 37.9s, DE= -13{deg} 15' 47" (2000.0)
</para></footnote></definition>
			<units>arcsec</units></field>
		<field>
			<name>Dist</name>
			<definition>Distance to the cluster centre</definition>
			<units>arcsec</units></field>
		<field>
			<name>MAMA</name>
			<definition>MAMA catalogue reference number</definition>
			<units>--</units></field>
		<field>
			<name>Seq2</name>
			<definition>Number in table2</definition>
			<units>---</units></field></fields></tableHead>
	<tableHead>
		<tableLinks>
				<tableLink xlink:href="table2.dat">
	<title>Galaxy candidates from CCD imaging</title></tableLink></tableLinks>
	<fields>
		<field>
			<name>Seq2</name>
			<definition>Running number</definition>
			<units>--</units></field>
		<field>
			<name>RAh</name>
			<definition>Right ascension (2000.0)</definition>
			<units>h</units></field>
		<field>
			<name>RAm</name>
			<definition>Right ascension (2000.0)</definition>
			<units>min</units></field>
		<field>
			<name>RAs</name>
			<definition>Right ascension (2000.0)</definition>
			<units>s</units></field>
		<field>
			<name>DE-</name>
			<definition>Declination sign (2000.0)</definition>
			<units>---</units></field>
		<field>
			<name>DEd</name>
			<definition>Declination (2000.0)</definition>
			<units>deg</units></field>
		<field>
			<name>DEm</name>
			<definition>Declination (2000.0)</definition>
			<units>arcmin</units></field>
		<field>
			<name>DEs</name>
			<definition>Declination (2000.0)</definition>
			<units>arcsec</units></field>
		<field>
			<name>e</name>
			<definition>Eccentricity</definition>
			<units>--</units></field>
		<field>
			<name>PA</name>
			<definition>Position angle of the major axis
                                   (from North to East)</definition>
			<units>deg</units></field>
		<field>
			<name>Vmag</name>
			<definition>V magnitude</definition>
			<units>mag</units></field>
		<field>
			<name>Rmag</name>
			<definition>R magnitude</definition>
			<units>mag</units></field>
		<field>
			<name>Xpos</name>
			<definition>X position relative to the X-ray centre
	<footnote footnoteId="???"><para>number=1</para>
			<para>Coordinates of the X-ray centre:
           RA = 04h 33m 37.9s, DE= -13{deg} 15' 47" (2000.0)
</para></footnote></definition>
			<units>arcsec</units></field>
		<field>
			<name>Ypos</name>
			<definition>Y position relative to the X-ray centre
	<footnote footnoteId="???"><para>number=1</para>
			<para>Coordinates of the X-ray centre:
           RA = 04h 33m 37.9s, DE= -13{deg} 15' 47" (2000.0)
</para></footnote></definition>
			<units>arcsec</units></field>
		<field>
			<name>Dist</name>
			<definition>Distance to the cluster centre</definition>
			<units>arcsec</units></field>
		<field>
			<name>Seq1</name>
			<definition>Number in Table 1</definition>
			<units>--</units></field></fields></tableHead>
	
	<history>
		<ingest>
	
			<creator>
				<lastName>Patricia Bauer</lastName>
				<affiliation>CDS</affiliation></creator>
	<date>
		<year>1999</year><month>Nov</month><day>12</day></date><acknowledgement>Florence Durret &lt;durret@iap.fr></acknowledgement></ingest>
		</history>
	<identifier>J_A+AS_139_559.xml</identifier></dataset>
