2026-09-06T11:03:48Z ivo://org.gavo.dc/apo/res/apo/frames2024-12-27T08:31:01Zapo.framesivo://org.gavo.dc/apo/res/apo/framesThe GAVO DC teamGAVO Data Centrehttp://vo.ari.uni-heidelberg.de/docs/GavoTiny.png2026-01-16T10:23:27ZGAVO Data Centre Team

Mönchhofstrasse 12-14, D-69120 Heidelberg

gavo@ari.uni-heidelberg.de+49 6221 54 1837quasarsobservational-cosmologystrong-gravitational-lensingObservations of the lensed quasar Q2237+0305 performed between 1995 and 1998.http://dc.g-vo.org/tableinfo/apo.framesIsServedByGAVO DC ObsCoreIsServedByGAVO Data Center ObscoreLens Image ArchiveGAVO Data Center TAP servicehttp://dc.g-vo.org/lensunion/q/im/siap.xml?https://dc.g-vo.org/lensunion/q/im/siap.xml?GETapplication/x-votable+xmlPOSICRS Position, RA,DEC decimal degrees (e.g., 234.234,-32.46)pos.eqcharSIZESize in decimal degrees (e.g., 0.2 or 1,0.1)degcharINTERSECTRelation of image and specified Region of Interest.OVERLAPSCOVERSENCLOSEDCENTERcharFORMATRequested format of the image datachardateObsEpoch at midpoint of observationdtime;obs.exposurecharbandpassIdFree-form name of the bandpass usedinstr.bandpasscharobjectObject being observed, Simbad-resolvable formmeta.id6dFGS gJ141903.8-131045NGC 7092NGC 2683NGC 6940SDSS J092455.87+021924.9Mrk 1383RX J0921.2+4529MITG J0414+0534LBQS 1433+0223ICRF J184208.9+794617LBQS 1205+0918SDSS J100434.82+411239.5QSO B0957+5608AQ2237+0305WFIJ2033-4723QSO B1803+6737UM 673NGC 3842SDSS J115517.34+634622.0FBQS J0951+263587GB 170404.7+604847NGC 7160LBQS 1428+0202SDSS J090334.94+502819.3HE 1104-1805sa98HE 0435-1223Mrk 4782MASS J14134834+4400141Berkeley 56JVAS B0218+357QSO B1548+114BBasel 1H1413+117NGC 3377SDSS J133534.79+011805.5QSO J2047-1639UGC 9958LBQS 1433-0025sa927C 182140.90+641929.00QSO B1422+231LBQS 1214+1804NGC 5813FBQS J0951+2635 Mrk 205SBSS 1520+530HE 0047-1756QSO B1414+0859PG1115+080IC 4756SBSS 0909+531QSO B1504+106FBQS J1633+3134NGC 6704SDSS J165043.44+425149.3VDB 130charRESPONSEFORMATFile format requested for output.meta.code.mimetext/tab-separated-valuestsvtext/plaintxttext/csvcsv_baretext/csv;header=presentcsvapplication/jsonjsonapplication/geo+jsongeojsonapplication/x-votable+xmlvotableapplication/x-votable+xml;serialization=binary2votable/b2votableb2application/x-votable+xml;serialization=tabledatatext/xmlvotable/tdvotabletdapplication/x-votable+xml;serialization=tabledata;version=1.1text/xmlvotabletd1.1application/x-votable+xml;version=1.1text/xmlvotable1.1application/x-votable+xml;serialization=tabledata;version=1.2text/xmlvotabletd1.2application/x-votable+xml;serialization=tabledata;version=1.6vodmlapplication/x-votable+xml;version=1.6vodmlbtext/htmlhtmlapplication/fitsfitscharMAXRECMaximum number of records returned. Pass 0 to retrieve service parameters.integerVERBExhaustiveness of column selection. VERB=1 only returns the most important columns, VERB=2 selects the columns deemed useful to the average user, VERB=3 returns a table with all available columns.123integerhttp://dc.g-vo.org/taphttps://dc.g-vo.org/tap5/902,2554,4804 6/3614,3632-3633,3635-3636,10187,10190,10209,10211-10212,10214,10220,11584,19205,1920749871.4 50825.12.73993e-19 3.25647e-19OpticalivoaDefinition and support code for the ObsCore data model and table.ivoa.obscoreThis data collection is queryable in GAVO Data Center's obscore table.apoObservations of the lensed quasar Q2237+0305 performed between 1995 and 1998.apo.framesObservations of the lensed quasar Q2237+0305 performed between 1995 and 1998.527accrefAccess key for the datameta.ref.urlAccess.ReferencecharindexednullableownerOwner of the datacharnullableembargoDate the data will become/became publicyrcharnullablemimeMIME type of the file servedmeta.code.mimeAccess.FormatcharnullableaccsizeSize of the data in bytesbyteVOX:Image_FileSizeAccess.SizelongnullablecenteralphaApproximate center of image, RAdegpos.eq.radoubleindexednullablecenterdeltaApproximate center of image, Decdegpos.eq.decdoubleindexednullableimagetitleSynthetic name of the imagemeta.titlecharnullableinstidIdentifier of the originating instrumentmeta.id;instrcharnullabledateobsEpoch at midpoint of observationdtime;obs.exposuredoublenullablenaxesNumber of axes in datapos.wcs.naxesintnullablepixelsizeNumber of pixels along each of the axespixelpos.wcs.naxisintnullablepixelscaleThe pixel scale on each image axisdeg/pixelpos.wcs.scalefloatnullablerefframeCoordinate system reference framepos.framecharnullablewcs_equinoxEquinox of the given coordinatesyrtime.equinoxfloatnullablewcs_projectionFITS WCS projection typepos.wcs.ctypecharnullablewcs_refpixelWCS reference pixelpixelpos.wcs.crpixfloatnullablewcs_refvaluesWorld coordinates at WCS reference pixeldegpos.wcs.crvaldoublenullablewcs_cdmatrixFITS WCS CDij matrixdeg/pixelpos.wcs.cdmatrixfloatnullablebandpassidFree-form name of the bandpass usedinstr.bandpasscharnullablebandpassunitUnit of bandpass specifications (always m).charnullablebandpassrefvalCharacteristic quantity for the bandpass of the imageminstr.bandpass;stat.medianfloatnullablebandpasshiUpper limit of the bandpass (in BandPass_Unit units)minstr.bandpass;stat.maxfloatnullablebandpassloLower limit of the bandpass (in BandPass_Unit units)minstr.bandpass;stat.minfloatnullablepixflagsFlags specifying the processing done (C-original; F-resampled; Z-fluxes valid; X-not resampled; V-for display onlymeta.codecharnullablecoverageField covered by the imagedegdoubleindexednullabletypecharnullableobjectcharnullableraw_objectcharnullablefilter1Filters on filter wheel 1charnullablefilter2Filters on filter wheel 2charnullableexposurefloatnullablealpharawRA of center of view 1950.0charnullabledeltarawDec of center of view 1950.0charnullablepub_didPublisher DID for this dataset.charnullable