boydende.dataivo://org.gavo.dc/boydende/q/dataThe GAVO DC teamTsvetkov, M.Demleitner, M.2026-01-16T10:23:37ZGAVO Data Centre Team

Mönchhofstrasse 12-14, D-69120 Heidelberg

gavo@ari.uni-heidelberg.de+49 6221 54 1837history-of-astronomyastrophotographyThe Armagh-Dunsink-Harvard Becker-Schmidt Telescope was deployed at Boyden Station, Maselspoort South Africa between 1965 and 1970. During that time, astronomers from Bamberg, Heidelberg, Hamburg and Münster took astronomical images there, with a focus on old star clusters, the Magellanic clouds, and the southern milky way. This service provides scans of the plates obtained.1998IrAJ...25..129Ahttps://dc.g-vo.org/tableinfo/boydende.dataIsServedByGAVO Data Center ObscoreGAVO Data Center TAP serviceHistorical Photographic Plate Image Archivehttp://dc.g-vo.org/taphttps://dc.g-vo.org/taphttp://dc.g-vo.org/hppunion/q/im/siap.xml?https://dc.g-vo.org/hppunion/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.charFORMATRequested format of the image datachardateObsEpoch at midpoint of observationdtime;obs.exposurecharbandpassIdFree-form name of the bandpass usedinstr.bandpasscharobjectObject being observed, Simbad-resolvable formmeta.idcharresponseformatFile format requested for output.meta.code.mimecharmaxrecMaximum 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.integerBoyden Station, MaselspoortArmagh-Dunsink-Harvard Becker-Schmidt Telescope4/1040,1888,2081-2082 5/4119,4168,6170,6181,6192,7194-7195,7216-7217,7272-7273,7275-7276,7278,7467,7556,7561,7564,8238-8239,8321,8323,8332,9333,9482,9504,10359,10364-10365,10407,10413,10416,10418,10424-10426,10437-10439,10445,10448,10450-10451,10456,10530-10531,10536-10537,10539-10542 6/16469-16471,16501,16658,16664,16666,16676,24637-24639,24674-24675,24684,24686,24721,24733,24772-24774,24776,28735,28771,28774,28794,28820-28821,28823,28872-28873,28875-28876,28880,29069-29071,29082,29097,29110,29116,29444-29445,29535,29862-29863,29865-29867,29880,29882-29883,30228,30230,30232,30234-30235,30240-30241,30243,30252-30253,30260,30264,32943,32950-32951,33283,33289-33291,33332-33334,33336-33338,33344,33408-33409,33411-33414,35753-35756,35758-35759,37245-37247,37329-37331,37337,37340-37341,37932,37934-37935,38020-38022,38024-38025,41407,41431,41435,41450-41451,41469,41578-41579,41621-41623,41627,41660-41661,41663,41668,41670,41676,41678,41708,41747,41777,41789,41796,41798-41799,41816,41818,41828-41830,41832-41833,42114,42138-42139,42142-42143,42152-42153,42155,42172,42174,42208,42210,42512,43029,4307236154.8 40334.92.11324e-19 6.30618e-19OpticalivoaDefinition and support code for the ObsCore data model and table.ivoa.obscoreThis data collection is queryable in GAVO Data Center's obscore table.boydendeThe Armagh-Dunsink-Harvard Becker-Schmidt Telescope was deployed at Boyden Station, Maselspoort South Africa between 1965 and 1970. During that time, astronomers from Bamberg, Heidelberg, Hamburg and Münster took astronomical images there, with a focus on old star clusters, the Magellanic clouds, and the southern milky way. This service provides scans of the plates obtained.boydende.dataThe Armagh-Dunsink-Harvard Becker-Schmidt Telescope was deployed at Boyden Station, Maselspoort South Africa between 1965 and 1970. During that time, astronomers from Bamberg, Heidelberg, Hamburg and Münster took astronomical images there, with a focus on old star clusters, the Magellanic clouds, and the southern milky way. This service provides scans of the plates obtained.244accrefAccess 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.maxfloatindexednullablebandpassloLower limit of the bandpass (in BandPass_Unit units)minstr.bandpass;stat.minfloatindexednullablepixflagsFlags specifying the processing done (C-original; F-resampled; Z-fluxes valid; X-not resampled; V-for display onlymeta.codecharnullablecoverageField covered by the imagedegdoubleindexednullableexposureEffective exposure timestime.duration;obs.exposurefloatnullableobjectSpecial object on platemeta.idcharnullablestart_timeStart of exposuredtime.start;obsdoublenullableend_timeEnd of exposuredtime.end;obsdoublenullablewfpdb_idPlate identifier as in the WFPDBmeta.idcharnullablequalityPlate Qualitymeta.notecharnullablefilterFilter used (NULL if clear)meta.id;instr.filtercharnullableemulsionPlate emulsioninstr.plate.emulsioncharnullableobsnotesObservation Notesmeta.notecharnullabledatalink_urlURL to a datalink document for this plate (ancillary files, cutouts)meta.ref.urlcharnullableenvelopePlate envelope with plate metadatameta.ref.urlcharnullablepub_didGlobally unique dataset identifiercharindexednullable