<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2011-03-25T10:23:00Z" status="active" updated="2026-03-24T10:15:49Z" version="1.2" xmlns:g-colstat="http://dc.g-vo.org/ColStats-1" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://dc.g-vo.org/ColStats-1 http://vo.ari.uni-heidelberg.de/docs/schemata/Colstats.xsd http://www.ivoa.net/xml/RegistryInterface/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/RegistryInterface.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vs:CatalogResource"><shortName>ivoa.emptyobscor</shortName><identifier>ivo://padc.obspm.astro-m/__system__/obscore/emptyobscore</identifier><curation><publisher>Paris Astronomical Data Centre</publisher><creator><name>PADC</name><logo>http://voparis-srv-paris.obspm.fr/logos/PADC_small.png</logo></creator><date role="Updated">2025-07-16T10:58:00Z</date><contact><name>PADC support team</name><address>77 av. Denfert Rochereau, 75014 Paris, FRANCE</address><email>vo.paris@obspm.fr</email><telephone>0033140512082</telephone></contact></curation><content><subject>observational-astronomy</subject><description>An empty table having all columns of the obscore table. Useful
internally, and sometimes for tricky queries.</description><referenceURL>http://voparis-tap-astro-m.obspm.fr/tableinfo/ivoa.emptyobscore</referenceURL><relationship><relationshipType>IsServedBy</relationshipType><relatedResource ivo-id="ivo://padc.obspm.astro-m/__system__/obscore/obscore">PADC TAP Server on voparis-tap-astro-m.obspm.fr Obscore</relatedResource></relationship></content><coverage><spatial>0/8-11 1/8 16-17 20 24-26 28 2/0 2 8 18-20 31 36 40 47 72-74 76-77 79
84-85 88 90 109 111 116 120 122 3/14 36-38 40-42 64-66 68-69 71 84-86
88-90 96-97 99-102 105 117-119 121-123 148-150 152-154 164-166 168-170
181-183 185-187 196 209 211-213 234 300 302 313-315 344 356 358 364
432-434 440-442 468-470 472-474 484 507-508 510-511 4/16 18 24 26-27
48 50 61-63 98-99 104-106 156 172 176 192 213 215 221-223 244-245 255
268 270-271 281-283 348 364 368 383 392-393 395 412 419 425 427-428
432-434 447-448 463 467 483 604 620 624 639 668 684 688 703-704 719
723 739 768 773 775 779-780 789 833 843 856-858 868-870 935 940 959
1204 1206-1207 1212-1213 1215 1249-1251 1380-1382 1384-1386 1397
1428-1430 1436 1438-1439 1460 1464 1740-1741 1743 1772-1774 1884 1900
1904 1940-1942 1944-1946 1978-1980 1982-1983 2021-2023 2025-2027 2036
2038-2039 5/68 78 114 120-122 196-198 204 206-207 222-223 241-243 410
428-430 432-434 503 509 511 628-630 632-634 692-694 696-698 708-710
712-714 772 774 776-778 857 859 877 879 881-883 984-985 987-989 991
1013-1015 1017 1019 1076 1078-1079 1121-1123 1396-1398 1400-1402
1460-1462 1464-1466 1476-1478 1480-1482 1527 1531 1577 1652-1654
1656-1658 1668-1669 1671 1675 1705 1716-1718 1720-1722 1740 1783 1787
1796-1798 1800-1802 1847 1851 1863 1867 1927 1931 2420-2422 2424-2426
2484-2486 2488-2490 2500-2502 2504-2506 2551 2555 2676-2678 2680-2682
2740-2742 2744-2746 2756-2758 2760-2762 2807 2811 2820-2822 2824-2826
2870-2871 2874-2875 2887 2891 2951 2955 3076-3078 3080-3082 3088-3089
3091 3097-3099 3109-3111 3113 3115 3124-3125 3128 3153-3155 3160-3162
3164 3168-3170 3173 3204 3328-3329 3331 3365-3367 3369-3371 3436-3438
3440-3442 3445 3456-3457 3460-3461 3463 3469 3484-3486 3505 3520-3522
3722 3734-3735 3737-3739 3766 3768-3770 3784-3786 3835 4008 4015
4026-4027 4030-4031 4074-4075 4078-4079 4090-4091 4093-4095 4820
4822-4823 4856-4857 4859 4993 4995 5532-5534 5548-5550 5552-5554
5568-5570 5585 5597 5599 5620-5621 5623 5629-5631 5724-5726 5748 5750
5844 5848 5860 5864 5866-5867 5888-5890 5973 5975 5980-5981 5983 6005
6968-6969 7100 7102-7103 7540-7541 7544 7604 7608 7620 7624 7772-7774
7788-7790 7792-7794 7872-7874 7898-7899 7904 7906-7907 7909-7911 7924
7926-7927 7936-7938 7998-7999 8043 8046 8077-8079 8081-8083 8097-8099
8150 6/280 306 400 407 410 413-415 450 462 492-494 796-798 822-823
832-834 872 874 878-879 883 885-887 961-963 1375 1397 1399 1405 1407
1493 1495 1501 1545-1547 1550-1551 1563-1564 1566-1567 1632 1634-1635
1644 1646-1647 1724 1740 1760 2005-2007 2009 2011 2033 2035 2041 2043
2524-2526 2540-2542 2544-2546 2780-2782 2796-2798 2800-2802 2844-2846
2860-2862 2864-2866 2880-2882 2944-2946 3094 3100-3102 3116-3118
3120-3122 3200-3202 3407 3427 3487 3507 3513 3523 3860-3861 3863 3869
3871 3945 3960 3962 4036 4046-4047 4051 4065 4073-4075 4308 4310-4311
4481 4483 5596-5598 5612-5614 5616-5618 5852-5854 5868-5870 5872-5874
5916-5918 5932-5934 5936-5938 5952-5954 6016-6018 6101-6103 6105-6107
6117-6119 6121-6123 6305 6307 6316-6317 6319 6620-6622 6636-6638
6640-6642 6661 6663 6680-6681 6683 6695 6699 6788-6789 6791 6797-6799
6817-6819 6825 6828-6829 6831 6876-6878 6892-6894 6896-6898 6964-6966
6968-6970 6976-6978 6984-6986 7040-7042 7044-7045 7125-7127 7129-7131
7141-7143 7145-7147 7196-7198 7212-7214 7216-7218 7232-7234 7296-7298
7381-7383 7385-7387 7397-7399 7401-7403 7445-7447 7449-7451 7461-7463
7465-7467 7701-7703 7705-7707 7717-7719 7721-7723 9692-9694 9708-9710
9712-9714 9948-9950 9964-9966 9968-9970 10012-10014 10028-10030
10032-10034 10048-10050 10112-10114 10197-10199 10201-10203
10213-10215 10217-10219 10716-10718 10732-10734 10736-10738
10972-10974 10988-10990 10992-10994 11036-11038 11052-11054
11056-11058 11072-11074 11136-11138 11221-11223 11225-11227
11237-11239 11241-11243 11292-11294 11308-11310 11312-11314
11328-11330 11392-11394 11477-11479 11493-11495 11541-11543
11545-11547 11557-11559 11561-11563 11797-11799 11801-11803
11813-11815 11817-11819 12316-12318 12332-12334 12336-12338
12349-12351 12361 12385-12387 12416-12418 12429-12431 12433-12435
12449-12451 12456-12457 12459 12504 12508-12509 12511 12516 12520
12610-12611 12652-12653 12660-12662 12664-12666 12684-12686
12688-12690 12704-12705 12736 12797-12799 12804-12805 12807 12820
13141 13320-13322 13360-13361 13373-13375 13453-13455 13457-13459
13473-13475 13756 13772 13776-13777 13779 13785 13787-13790 13792
13833 13836-13837 13849 13851 13873 13885 13887 13948 14016-14017
14019 14025 14028 14032 14092 14096 14112 14880 14882-14883 14892
14894-14895 14909-14911 14925-14927 14945-14947 15056-15057
15060-15061 15070 15084-15086 15088-15090 15114-15115 15118
15148-15150 15152-15154 15232-15234 15322-15323 15326-15327
15333-15335 15337-15339 16010-16011 16014 16036 16040 16042-16043
16046-16047 16058-16059 16349-16351 16355 16358-16359 16369-16371
19284-19286 19432-19433 19435 19969 19976 19978-19979 22140-22142
22204-22206 22220-22222 22224-22226 22240-22242 22284-22286
22288-22290 22304-22306 22336-22337 22339 22348-22349 22351
22384-22385 22387 22395 22471 22488-22489 22491 22511 22515
22908-22910 22996 23004 23006-23007 23380-23382 23384-23386
23396-23398 23400-23402 23444-23446 23448-23450 23460-23462 23482
23564-23566 23568-23570 23584-23586 23712 23714-23715 23720-23722
23888-23889 23891 23899 23928-23929 23931 24029 27880 27882 27885
27887 28404 28406-28407 30168-30169 30171-30174 30180 30184 30420
30424 30436 30440 30484 30488 30500 30504 31100-31102 31164-31166
31180-31182 31184-31186 31200-31202 31500-31502 31504-31506
31520-31522 31528 31530-31531 31550-31551 31587 31590 31610 31620
31622-31623 31633-31635 31702 31756-31758 31760-31762 31764
31776-31778 31983 31987 31990 32167-32168 32170-32171 32178
32190-32191 32233-32236 32238-32239 32287 32303 32307 32323 32387
32592 32594-32595</spatial><temporal>33442 56901.12248</temporal><spectral>2.878907039e-19 7.329021903e-06</spectral></coverage><productTypeServed>image</productTypeServed><productTypeServed>spectrum</productTypeServed><tableset><schema><name>ivoa</name><description>Definition and support code for the ObsCore data model and table.</description><table><name>ivoa.emptyobscore</name><description>An empty table having all columns of the obscore table. Useful
internally, and sometimes for tricky queries.</description><column><name>dataproduct_type</name><description>High level scientific classification of the data product, taken from an enumeration</description><ucd>meta.code.class</ucd><utype>obscore:obsdataset.dataproducttype</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>dataproduct_subtype</name><description>Data product specific type</description><ucd>meta.code.class</ucd><utype>obscore:obsdataset.dataproductsubtype</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>calib_level</name><description>Amount of data processing that has been applied to the data</description><ucd>meta.code;obs.calib</ucd><utype>obscore:obsdataset.caliblevel</utype><dataType xsi:type="vs:VOTableType">short</dataType></column><column><name>obs_collection</name><description>Name of a data collection (e.g., project name) this data belongs to</description><ucd>meta.id</ucd><utype>obscore:dataid.collection</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>obs_id</name><description>Unique identifier for an observation</description><ucd>meta.id</ucd><utype>obscore:DataID.observationID</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>obs_title</name><description>Free-from title of the data set</description><ucd>meta.title;obs</ucd><utype>obscore:dataid.title</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>obs_publisher_did</name><description>Dataset identifier assigned by the publisher.</description><ucd>meta.ref.ivoid</ucd><utype>obscore:curation.publisherdid</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>obs_creator_did</name><description>Dataset identifier assigned by the creator.</description><ucd>meta.id</ucd><utype>obscore:dataid.creatordid</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>access_url</name><description>The URL at which to obtain the data set.</description><ucd>meta.ref.url</ucd><utype>obscore:access.reference</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>access_format</name><description>MIME type of the resource at access_url</description><ucd>meta.code.mime</ucd><utype>obscore:access.format</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>access_estsize</name><description>Estimated size of data product</description><unit>kbyte</unit><ucd>phys.size;meta.file</ucd><utype>obscore:access.size</utype><dataType xsi:type="vs:VOTableType">long</dataType><flag>nullable</flag></column><column><name>target_name</name><description>Object a targeted observation targeted</description><ucd>meta.id;src</ucd><utype>obscore:Target.Name</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>target_class</name><description>Class of the target object (star, QSO, ...)</description><ucd>src.class</ucd><utype>obscore:target.class</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>s_ra</name><description>RA of (center of) observation, ICRS</description><unit>deg</unit><ucd>pos.eq.ra</ucd><utype>obscore:char.spatialaxis.coverage.location.coord.position2d.value2.c1</utype><dataType xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>s_dec</name><description>Dec of (center of) observation, ICRS</description><unit>deg</unit><ucd>pos.eq.dec</ucd><utype>obscore:char.spatialaxis.coverage.location.coord.position2d.value2.c2</utype><dataType xsi:type="vs:VOTableType">double</dataType><flag>indexed</flag><flag>nullable</flag></column><column><name>s_fov</name><description>Approximate spatial extent for the region covered by the observation</description><unit>deg</unit><ucd>phys.angSize;instr.fov</ucd><utype>obscore:char.spatialaxis.coverage.bounds.extent.diameter</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>s_region</name><description>Region covered by the observation, as a polygon</description><ucd>pos.outline;obs.field</ucd><utype>obscore:char.spatialaxis.coverage.support.area</utype><dataType arraysize="*" extendedType="adql:REGION" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>s_resolution</name><description>Best spatial resolution within the data set</description><unit>arcsec</unit><ucd>pos.angResolution</ucd><utype>obscore:Char.SpatialAxis.Resolution.refval.value</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>t_min</name><description>Lower bound of times represented in the data set</description><unit>d</unit><ucd>time.start;obs.exposure</ucd><utype>obscore:char.timeaxis.coverage.bounds.limits.starttime</utype><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>t_max</name><description>Upper bound of times represented in the data set</description><unit>d</unit><ucd>time.end;obs.exposure</ucd><utype>obscore:char.timeaxis.coverage.bounds.limits.stoptime</utype><dataType xsi:type="vs:VOTableType">double</dataType><flag>nullable</flag></column><column><name>t_exptime</name><description>Total exposure time</description><unit>s</unit><ucd>time.duration;obs.exposure</ucd><utype>obscore:char.timeaxis.coverage.support.extent</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>t_resolution</name><description>Minimal significant time interval along the time axis</description><unit>s</unit><ucd>time.resolution</ucd><utype>obscore:char.timeaxis.resolution.refval.value</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>em_min</name><description>Minimal wavelength represented within the data set</description><unit>m</unit><ucd>em.wl;stat.min</ucd><utype>obscore:char.spectralaxis.coverage.bounds.limits.lolimit</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>em_max</name><description>Maximal wavelength represented within the data set</description><unit>m</unit><ucd>em.wl;stat.max</ucd><utype>obscore:char.spectralaxis.coverage.bounds.limits.hilimit</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>em_res_power</name><description>Spectral resolving power lambda/delta lambda</description><ucd>spect.resolution</ucd><utype>obscore:char.spectralaxis.resolution.resolpower.refval</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>o_ucd</name><description>UCD for the product's observable</description><ucd>meta.ucd</ucd><utype>obscore:char.observableaxis.ucd</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>pol_states</name><description>List of polarization states in the data set</description><ucd>meta.code;phys.polarization</ucd><utype>obscore:Char.PolarizationAxis.stateList</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>facility_name</name><description>Name of the facility at which data was taken</description><ucd>meta.id;instr.tel</ucd><utype>obscore:Provenance.ObsConfig.facility.name</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>instrument_name</name><description>Name of the instrument that produced the data</description><ucd>meta.id;instr</ucd><utype>obscore:Provenance.ObsConfig.instrument.name</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>s_xel1</name><description>Number of elements (typically pixels) along the first spatial axis.</description><ucd>meta.number</ucd><utype>obscore:Char.SpatialAxis.numBins1</utype><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>s_xel2</name><description>Number of elements (typically pixels) along the second spatial axis.</description><ucd>meta.number</ucd><utype>obscore:Char.SpatialAxis.numBins2</utype><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>t_xel</name><description>Number of elements (typically pixels) along the time axis.</description><ucd>meta.number</ucd><utype>obscore:Char.TimeAxis.numBins</utype><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>em_xel</name><description>Number of elements (typically pixels) along the spectral axis.</description><ucd>meta.number</ucd><utype>obscore:Char.SpectralAxis.numBins</utype><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>pol_xel</name><description>Number of elements (typically pixels) along the polarization axis.</description><ucd>meta.number</ucd><utype>obscore:Char.PolarizationAxis.numBins</utype><dataType xsi:type="vs:VOTableType">int</dataType><flag>nullable</flag></column><column><name>s_pixel_scale</name><description>Sampling period in world coordinate units along the spatial axis</description><unit>arcsec</unit><ucd>phys.angSize;instr.pixel</ucd><utype>obscore:Char.SpatialAxis.Sampling.RefVal.SamplingPeriod</utype><dataType xsi:type="vs:VOTableType">float</dataType><flag>nullable</flag></column><column><name>em_ucd</name><description>Nature of the product's spectral axis (typically, em.freq, em.wl, or em.energy)</description><ucd>meta.ucd</ucd><utype>obscore:Char.SpectralAxis.ucd</utype><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>preview</name><description>URL of a preview (low-resolution, quick-to-retrieve representation) of the data.</description><ucd>meta.ref.url;meta.preview</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column><column><name>source_table</name><description>Name of a TAP-queriable table this data originates from. This source table usually provides more information on the the data than what is given in obscore. See the TAP_SCHEMA of the originating TAP server for details.</description><ucd>meta.id;meta.table</ucd><dataType arraysize="*" xsi:type="vs:VOTableType">char</dataType><flag>nullable</flag></column></table><table><name>ivoa.obscore</name><description>This data collection is queryable in PADC TAP Server on
voparis-tap-astro-m.obspm.fr's obscore table.</description></table></schema></tableset></ri:Resource>