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Blake", "links": { "alternate": { "href": "https://www.zotero.org/mblake", "type": "text/html" } } }, "creatorSummary": "Whipple", "parsedDate": "1980-03-01", "numChildren": 1 }, "data": { "key": "DTMAQXVG", "version": 1, "itemType": "journalArticle", "title": "Rotation and outbursts of comet P/Schwassmann-Wachmann 1", "creators": [ { "creatorType": "author", "firstName": "F. L.", "lastName": "Whipple" } ], "abstractNote": "The paper examines rotation and outbursts of comet\nP/Schwassmann-Wachmann 1. The observations of the P/Schwassmann-Wachmann\n1 show this comet to flare above its quiescent level from before\nperihelion q=5.5 AU, to after aphelion Q of about 7AU. Cometary\n'afternoon' activity suggests counterclockwise rotation of aphelion pole\nas seen near lambda=100 deg; outburst dates were derived from observed\ncoma diameters, and the rotation was found to be direct with pole near\nlambda=280 deg. Usually one large area of the comet is active during one\nopposition, although two were observed concurrently in four very active\noppositions; old active areas persist near the East limb of the comet\nand new areas resist development toward the West limb.", "publicationTitle": "The Astronomical Journal", "publisher": "", "place": "", "date": "March 1, 1980", "volume": "85", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "305-313", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://adsabs.harvard.edu/abs/1980AJ.....85..305W", "accessDate": "2010-10-27T11:52:05Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "NASA ADS", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": "ANALYSIS", "type": 1 }, { "tag": "APHELION", "type": 1 }, { "tag": "AXES OF ROTATION", "type": 1 }, { "tag": "AXIS", "type": 1 }, { "tag": "BURSTS", "type": 1 }, { "tag": "COMA", "type": 1 }, { "tag": "COMAE", "type": 1 }, { "tag": "COMET HEADS", "type": 1 }, { "tag": "COMETS", "type": 1 }, { "tag": "DATA", "type": 1 }, { "tag": "EJECTION", "type": 1 }, { "tag": "FREE RADICALS", "type": 1 }, { "tag": "HALO", "type": 1 }, { "tag": "LIGHT CURVE", "type": 1 }, { "tag": "MAGNITUDES", "type": 1 }, { "tag": "MODELS", "type": 1 }, { "tag": "NUCLEI", "type": 1 }, { "tag": "OBSERVATIONS", "type": 1 }, { "tag": "ORBITAL ELEMENTS", "type": 1 }, { "tag": "P/SCHWASSMANN-WACHMANN 1 COMET", "type": 1 }, { "tag": "PERIHELION", "type": 1 }, { "tag": "PERIODIC COMETS", "type": 1 }, { "tag": "PERIODS", "type": 1 }, { "tag": "ROTATING BODIES", "type": 1 }, { "tag": "ROTATION", "type": 1 }, { "tag": "SCHWASSMANN-WACHMANN COMET", "type": 1 }, { "tag": "SUBLIMATION", "type": 1 } ], "collections": [], "relations": {}, "dateAdded": "2010-10-27T11:56:13Z", "dateModified": "2010-10-27T11:56:13Z" } }, { "key": "9WRGHKAQ", "version": 1, "library": { "type": "group", "id": 29902, "name": "Whipple vol III", "links": { "alternate": { "href": "https://www.zotero.org/groups/whipple_vol_iii", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/29902/items/9WRGHKAQ", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/whipple_vol_iii/items/9WRGHKAQ", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/29902/items/3WKRH8Z4", "type": "application/json" } }, "meta": { "createdByUser": { "id": 300474, "username": "mblake", "name": "Michael R. Blake", "links": { "alternate": { "href": "https://www.zotero.org/mblake", "type": "text/html" } } } }, "data": { "key": "9WRGHKAQ", "version": 1, "parentItem": "3WKRH8Z4", "itemType": "attachment", "linkMode": "imported_url", "title": "Physical processes in comets", "accessDate": "2010-10-27T11:52:30Z", "url": "http://adsabs.harvard.edu/abs/1976ARA%26A..14..143W", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "1976ARA&A..14..html", "md5": null, "mtime": 1288180330687, "tags": [], "relations": {}, "dateAdded": "2010-10-27T11:56:06Z", "dateModified": "2010-10-27T11:56:06Z" } }, { "key": "3WKRH8Z4", "version": 1, "library": { "type": "group", "id": 29902, "name": "Whipple vol III", "links": { "alternate": { "href": "https://www.zotero.org/groups/whipple_vol_iii", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/29902/items/3WKRH8Z4", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/whipple_vol_iii/items/3WKRH8Z4", "type": "text/html" } }, "meta": { "createdByUser": { "id": 300474, "username": "mblake", "name": "Michael R. Blake", "links": { "alternate": { "href": "https://www.zotero.org/mblake", "type": "text/html" } } }, "creatorSummary": "Whipple and Huebner", "parsedDate": "1976", "numChildren": 1 }, "data": { "key": "3WKRH8Z4", "version": 1, "itemType": "journalArticle", "title": "Physical processes in comets", "creators": [ { "creatorType": "author", "firstName": "F. L.", "lastName": "Whipple" }, { "creatorType": "author", "firstName": "W. F.", "lastName": "Huebner" } ], "abstractNote": "The paper discusses physical processes in comets which involve solar and\nnuclear radial forces that affect the motions of gases and icy grains,\ngas-phase chemistry very close to the nuclei of large comets near the\nsun, sublimation of icy grains, dissociation of parent molecules into\nradicals and of radicals into atoms, and ionization by sunlight and\ncollisions. The composition and dimensions of nuclei are examined along\nwith variations in intrinsic brightness, the nature of volatiles, gas\nproduction rates in the coma, characteristics of icy grains in the coma,\nand the structure of streamers, ion tails, and dust tails. The structure\nof the coma is described in detail on the basis of spectroscopic\nobservations of several comets. The origin of comets is briefly reviewed\ntogether with the relation of comets to earth, the interplanetary\ncomplex, and the interstellar medium. Desirable future observations are\nnoted, especially by space missions to comets.", "publicationTitle": "Annual Review of Astronomy and Astrophysics", "publisher": "", "place": "", "date": "1976", "volume": "14", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "143-172", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "", "citationKey": "", "url": "http://adsabs.harvard.edu/abs/1976ARA%26A..14..143W", "accessDate": "2010-10-27T11:52:15Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "", "libraryCatalog": "NASA ADS", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": "ABUNDANCE", "type": 1 }, { "tag": "ASTRONOMICAL SPECTROSCOPY", "type": 1 }, { "tag": "CHEMICAL COMPOSITION", "type": 1 }, { "tag": "COMA", "type": 1 }, { "tag": "COMET NUCLEI", "type": 1 }, { "tag": "COMET TAILS", "type": 1 }, { "tag": "COMETS", "type": 1 }, { "tag": "COSMOLOGY", "type": 1 }, { "tag": "GAS DYNAMICS", "type": 1 }, { "tag": "GRANULAR MATERIALS", "type": 1 }, { "tag": "ICE FORMATION", "type": 1 }, { "tag": "MOLECULAR SPECTRA", "type": 1 }, { "tag": "PHASE TRANSFORMATIONS", "type": 1 }, { "tag": "RADICALS", "type": 1 }, { "tag": "SUBLIMATION", "type": 1 } ], "collections": [], "relations": {}, "dateAdded": "2010-10-27T11:56:06Z", "dateModified": "2010-10-27T11:56:06Z" } }, { "key": "RWNRD7IK", "version": 1, "library": { "type": "group", "id": 29902, "name": "Whipple vol III", "links": { "alternate": { "href": "https://www.zotero.org/groups/whipple_vol_iii", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/29902/items/RWNRD7IK", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/whipple_vol_iii/items/RWNRD7IK", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/29902/items/XHXCGZMW", "type": "application/json" } }, "meta": { "createdByUser": { "id": 300474, "username": "mblake", "name": "Michael R. 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