<?xml version="1.0"?>
<VOTABLE version="1.1">
<DEFINITIONS>
<COOSYS ID="J2000" equinox="2000." epoch="2000." system="eq_FK5" />
</DEFINITIONS>
<RESOURCE type="results">
<DESCRIPTION>
Results from query to  NASA/IPAC Extragalactic Database (NED),
which is operated by the Jet Propulsion Laboratory, California Institute of
Technology, under contract with the National Aeronautics and Space Administration.
This work was (partially) supported by the US National Virtual Observatory
development project, which is funded by the National Science Foundation
under cooperative agreement AST0122449 with The Johns Hopkins University.
</DESCRIPTION>
<INFO name="QUERY_STATUS" value="OK"/>
<PARAM name="queryDateTime"  ucd="time.creation" datatype="char" arraysize="*" value="2013-07-18T04:23:34PDT"/>
<LINK content-role="query" content-type="char"
 href="http://ned.ipac.caltech.edu/cgi-bin/datasearch?search_type=Diameters&amp;objname=MESSIER 001&amp;of=xml_main"/>
<TABLE ID="NED_Diameters_Data" name="NED Diameters Data for MESSIER 001">
<DESCRIPTION> NED Diameter Data Search Results  </DESCRIPTION>

<FIELD ID="d_col1" name="No." ucd="meta.id" datatype="int">
<DESCRIPTION> A sequential data-point number applicable to this list only. </DESCRIPTION>
</FIELD>
<FIELD ID="d_col2" name="Frequency targeted" ucd="em.freq;instr.setup" datatype="char" arraysize="*">
<DESCRIPTION>  The frequency or wavelength at which the data apply (in common astronomical jargon, e.g. "V" for the Johnson Vband, "IRAS 12 microns" for the IRAS 12 micron band, etc.) </DESCRIPTION>
</FIELD>
<FIELD ID="d_col3" name="Refcode" ucd="meta.bib.bibcode" datatype="char" arraysize="*">
<DESCRIPTION> The NED 19-digit Bibliographic Reference code. </DESCRIPTION>
</FIELD>
<FIELD ID="d_col4" name="Major Axis" ucd="phys.angSize.smajAxis" datatype="double">
<DESCRIPTION> The major axis (2a) as published. It can be a radius</DESCRIPTION>
</FIELD>
<FIELD ID="d_col5" name="Major Axis Flag" ucd="meta.code;phys.angSize.smajAxis" datatype="char" arraysize="*">
<DESCRIPTION> The major axis flag as published. (2a) - is diameter, which is default, (a) - means radius.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col6" name="Major Axis Unit" ucd="meta.unit;phys.angSize.smajAxis" datatype="char" arraysize="*">
<DESCRIPTION> The major axis unit's as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col7" name="Minor Axis" ucd="phys.angSize.sminAxis" datatype="double">
<DESCRIPTION> The minor axis (2b) as published. It can be a radius</DESCRIPTION>
</FIELD>
<FIELD ID="d_col8" name="Minor Axis Flag" ucd="meta.code;phys.angSize.sminAxis" datatype="char" arraysize="*">
<DESCRIPTION> The minor axis flag as published. (2b) - is diameter, which is default, (b) - means radius.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col9" name="Minor Axis Unit" ucd="meta.unit;phys.angSize.sminAxis" datatype="char" arraysize="*">
<DESCRIPTION> The minor axis unit's as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col10" name="Axis Ratio" ucd="phys.smajAxis.sminAxis" datatype="double">
<DESCRIPTION> The axis ratio, as published: it can be b/a, a/b or log a/b.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col11" name="Axis Ratio Flag" ucd="meta.code;phys.angSize.smajAxis.phys.angSize.sminAxis" datatype="char" arraysize="*">
<DESCRIPTION> The axis ratio flag:  b/a, a/b or log a/b.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col12" name="Major Axis Uncertainty" ucd="meta.code.error;arith;phys.angSize.smajAxis" datatype="double">
<DESCRIPTION> The major axis uncertainty, as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col13" name="Ellipticity" ucd="src.ellipticity" datatype="double">
<DESCRIPTION> The ellipticity as published. (1-b/a)</DESCRIPTION>
</FIELD>
<FIELD ID="d_col14" name="Eccentricity" ucd="src.eccentricity" datatype="double">
<DESCRIPTION> The eccentricity as published. [(a/b)^2-1]/[(a/b)^2+1]</DESCRIPTION>
</FIELD>
<FIELD ID="d_col15" name="Position Angle" ucd="pos.posAng" datatype="double" unit="deg">
<DESCRIPTION> The position angle as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col16" name="Equinox" ucd="time.equinox" datatype="char" arraysize="*">
<DESCRIPTION> The equinox as published.When the equinox is followed by an asterisk, it means that no equinox was published, and the value given is assumed by NED.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col17" name="Reference Level" ucd="meta.ref;phys.angSize" datatype="char" arraysize="*">
<DESCRIPTION> The reference level, with units, for the diameters. For an optical diameter, this might be an isophote (surface brightness); for a radiodiameter, it might be a half-peak level; etc.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col18" name="NED Frequency" ucd="em.freq" datatype="double" unit="hertz">
<DESCRIPTION> The frequency or wavelength of observation, translated as needed in Hz.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col19" name="NED Major Axis" ucd="phys.angSize.smajAxis" datatype="double" unit="arcsec">
<DESCRIPTION> The major axis, translated as needed in arcseconds.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col20" name="NED Major Axis Uncertainty" ucd="meta.code.error;arith;phys.angSize.smajAxis" datatype="double" unit="arcsec">
<DESCRIPTION> The major axis uncertainty , translated as needed in arcseconds.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col21" name="NED Axis Ratio" ucd="phys.smajAxis.sminAxis" datatype="double">
<DESCRIPTION> The axis ratio b/a.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col22" name="NED Ellipticity" ucd="src.ellipticity" datatype="double">
<DESCRIPTION> The ellipticity as calculated in NED, based on paper.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col23" name="NED Eccentricity" ucd="src.eccentricity" datatype="double">
<DESCRIPTION> The eccentricity as calculated in NED, based on paper.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col24" name="NED cos-1_axis_ratio" ucd="arith;cos-1.phys.smajAxis.sminAxis" datatype="double">
<DESCRIPTION> The cos**(-1)(a/b), calculated be NED.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col25" name="NED Position Angle" ucd="pos.posAng" datatype="double" unit="deg">
<DESCRIPTION> The position angle, translated as needed to degrees for equinox J2000.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col26" name="NED Minor Axis" ucd="phys.angSize.sminAxis" datatype="double" unit="arcsec">
<DESCRIPTION> The minor axis, translated as needed, in arcseconds.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col27" name="Minor Axis Uncertainty" ucd="meta.code.error;arith;phys.angSize.sminAxis" datatype="double">
<DESCRIPTION> The minor axis uncertainty, as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col28" name="NED Minor Axis Uncertainty" ucd="meta.code.error;arith;phys.angSize.sminAxis" datatype="double" unit="arcsec">
<DESCRIPTION> The minor axis uncertainty in arcseconds.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col29" name="Axis Ratio Uncertainty" ucd="meta.code.error;arith;phys.smajAxis.phys.angSize.sminAxis" datatype="double">
<DESCRIPTION> The axis ratio uncertainty, as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col30" name="NED Axis Ratio Uncertainty" ucd="meta.code.error;arith;phys.smajAxis.phys.angSize.sminAxis" datatype="double">
<DESCRIPTION> The axis ratio uncertainty, if original paper has it.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col31" name="Ellipticity Uncertainty" ucd="meta.code.error;arith;src.ellipticity" datatype="double">
<DESCRIPTION> The ellipticity uncertainty, as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col32" name="NED Ellipticity Uncertainty" ucd="meta.code.error;arith;src.ellipticity" datatype="double">
<DESCRIPTION> The ellipticity uncertainty, as calculated by NED from the published values.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col33" name="Eccentricity Uncertainty" ucd="meta.code.error;arith;src.eccentricity" datatype="double">
<DESCRIPTION> The eccentricity uncertainty, as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col34" name="NED Eccentricity Uncertainty" ucd="meta.code.error;arith;src.eccentricity" datatype="double">
<DESCRIPTION> The eccentricity uncertainty, as calculated by NED from the published values.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col35" name="Position Angle Uncertainty" ucd="meta.code.error;arith;pos.posAng" datatype="double">
<DESCRIPTION> The position angle uncertainty, as published.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col36" name="NED Position Angle Uncertainty" ucd="meta.code.error;arith;pos.posAng" datatype="double" unit="deg">
<DESCRIPTION> The position angle uncertainty, calculated in degrees. </DESCRIPTION>
</FIELD>
<FIELD ID="d_col37" name="Significance" ucd="meta.note;stat.fit.goodness" datatype="char" arraysize="*">
<DESCRIPTION> The type of uncertainty reported in the original publication.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col38" name="Frequency" ucd="em.freq" datatype="double">
<DESCRIPTION> The frequency or wavelength of observation as given in the paper.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col39" name="Frequency Unit" ucd="meta.unit;em.freq" datatype="char" arraysize="*">
<DESCRIPTION> The frequency or wavelength unit as given in the paper.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col40" name="Frequency Mode" ucd="meta.note;em.freq" datatype="char" arraysize="*">
<DESCRIPTION> The method(s) by which the data were collected, reduced, or derived, in elation to the frequency or wavelength.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col41" name="Detector Type" ucd="meta.note;instr.det" datatype="char" arraysize="*">
<DESCRIPTION> The observing instrumentation. </DESCRIPTION>
</FIELD>
<FIELD ID="d_col42" name="Fitting Technique" ucd="meta.note;obs.param" datatype="char" arraysize="*">
<DESCRIPTION> The observing technique. </DESCRIPTION>
</FIELD>
<FIELD ID="d_col43" name="Features" ucd="meta.note;obs.feature" datatype="char" arraysize="*">
<DESCRIPTION> The observing features. </DESCRIPTION>
</FIELD>
<FIELD ID="d_col44" name="Measured Quantity" ucd="meta.note;obs.field" datatype="char" arraysize="*">
<DESCRIPTION> The part of the object measured.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col45" name="Measurement Qualifiers" ucd="meta.note;obs.qualifier" datatype="char" arraysize="*">
<DESCRIPTION> The qualifiers of measurement mode.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col46" name="Targeted RA" ucd="pos.eq.ra" datatype="char" arraysize="*">
<DESCRIPTION> The object's RA as published.(HHMMSS) </DESCRIPTION>
</FIELD>
<FIELD ID="d_col47" name="Targeted DEC" ucd="pos.eq.dec" datatype="char" arraysize="*">
<DESCRIPTION> The object's DEC as published. </DESCRIPTION>
</FIELD>
<FIELD ID="d_col48" name="Targeted Equinox" ucd="time.equinox" datatype="char" arraysize="*">
<DESCRIPTION> The object's coordinates equinox as published. </DESCRIPTION>
</FIELD>
<FIELD ID="d_col49" name="NED Qualifiers" ucd="meta.note" datatype="char" arraysize="*">
<DESCRIPTION>Self-explanatory notes pertaining to the history of the data or to the adjustments to the data or to changes introduced by NED.</DESCRIPTION>
</FIELD>
<FIELD ID="d_col50" name="NED Comment" ucd="meta.note" datatype="char" arraysize="*">
<DESCRIPTION>Other information about the data. </DESCRIPTION>
</FIELD>
<DATA>
<TABLEDATA>
<TR>
<TD>1</TD>
<TD>K_s (LGA/2MASS isophotal)     </TD>
<TD>2003AJ....125..525J</TD>
<TD> 165.8</TD>
<TD>(a)</TD>
<TD>arcsec </TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD>0.610</TD>
<TD>(b/a)</TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD> -52.0 </TD>
<TD>J2000</TD>
<TD>20.0 K-mag arcsec^-2^         </TD>
<TD>     1.38E+14</TD>
<TD>331.60</TD>
<TD></TD>
<TD>           0.61</TD>
<TD>0.390000</TD>
<TD>0.457620</TD>
<TD>52</TD>
<TD>128</TD>
<TD>202.28</TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD>No uncertainty reported</TD>
<TD>2.17      </TD>
<TD>microns   </TD>
<TD>Broad-band detector (e.g. photographic plate)</TD>
<TD>Maps (e.g., 2MASS, VLA, Sloan)</TD>
<TD>Ellipse fitting to image</TD>
<TD></TD>
<TD>Isophotal diameter</TD>
<TD>A radius is given in DIA_MAJ, not a diameter</TD>
<TD>83.634140</TD>
<TD>22.015520</TD>
<TD>J2000</TD>
<TD>From new, raw data</TD>
<TD>                                        </TD>
</TR>
<TR>
<TD>2</TD>
<TD>K_s (LGA/2MASS "total")       </TD>
<TD>2003AJ....125..525J</TD>
<TD> 253.0</TD>
<TD>(a)</TD>
<TD>arcsec </TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD>0.610</TD>
<TD>(b/a)</TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD> -52.0 </TD>
<TD>J2000</TD>
<TD>Diameter for "total" magnitude</TD>
<TD>     1.38E+14</TD>
<TD>506.00</TD>
<TD></TD>
<TD>           0.61</TD>
<TD>0.390000</TD>
<TD>0.457620</TD>
<TD>52</TD>
<TD>128</TD>
<TD>308.66</TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD></TD>
<TD>No uncertainty reported</TD>
<TD>2.17      </TD>
<TD>microns   </TD>
<TD>Broad-band detector (e.g. photographic plate)</TD>
<TD>Maps (e.g., 2MASS, VLA, Sloan)</TD>
<TD>Ellipse fitting to image</TD>
<TD></TD>
<TD>Isophotal diameter</TD>
<TD>A radius is given in DIA_MAJ, not a diameter</TD>
<TD>83.634140</TD>
<TD>22.015520</TD>
<TD>J2000</TD>
<TD>From new, raw data</TD>
<TD>                                        </TD>
</TR>
</TABLEDATA>
</DATA>
</TABLE>
</RESOURCE>
</VOTABLE>

