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Tracking Chandra Publications

This document outlines the Chandra Publications bibliographic database, detailing its features, usage, and importance in astronomical research. It includes information about Chandra's mission, database maintenance, and the process for incorporating new publications. Key components like publication types, associated subjects, and metrics for assessing scientific impact are discussed. This resource serves as a vital Tool for researchers, providing links to data and underlying studies while enabling meaningful citations and collaborations in the realm of astronomy.

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Tracking Chandra Publications

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  1. Tracking Chandra Publications Arnold Rots Sherry Winkelman & all past and present members of arcops

  2. Outline • The bibliographic database: description and usage • Information about the mission • Further development • Collaborations and Seamless Astronomy CUC: Tracking Chandra Publications

  3. Bibliography: what’s in it? • Article ID (“bibcode”) • Category: • Presents observations • Refers to published results • Predicts Chandra results • Instrumentation, software, etc. • Cannot be classified • Refereed? • Publication date • Data links to archive CUC: Tracking Chandra Publications

  4. Bibliography: what’s in it (2)? • Publication form • Article, erratum, memo, abstract, data • Publication type • Journal, proceedings, thesis, circular, review, multi-media, etc. • Instrument • ACIS, HRC, gratings, …, software, operations • Associated subjects • Multi-wavelength, theory, follow-up • Contributing observatories • Journal keywords CUC: Tracking Chandra Publications

  5. Database: population and maintenance • Weekly scan of ADS on key words in title or abstract • Candidate papers go into database • Distributed for review and classification to arcops • Review: • Accept? • If yes, classify • Data links: • If yes, find them • Second review, if feasible • Labor-intensive, but worth it CUC: Tracking Chandra Publications

  6. Bibliographic Database • Chandra science paper: • Chandra observations have contributed significantly to the scientific results of the paper • Just used the position of a source detected by Chandra: NO • Analysis and interpretation of Chandra spectra from another paper: YES CUC: Tracking Chandra Publications

  7. Research with the Bibliography • The bibliography was originally set up as a service to our users by the CDA – it is first and foremost a research tool, to be used in three ways: • Links to publications while browsing the archive • WebChaser, Footprint Service • Links to underlying data while browsing the literature • ADS • Combined browsing • http://cxc.harvard.edu/cgi-gen/cda/bibliography • http://labs.adsabs.harvard.edu/semantic/publications CUC: Tracking Chandra Publications

  8. Dataset Ids and Bibliography • Each ObsId’s Primary and Secondary data product packages are assigned a DatasetID • Special DatasetIDs: groups of ObsIds or contrib. prods • Bibliography database links DatasetIDs with bibcodes • Mirrored to ADS • CDA resolves DatasetID URIs into URLs • Authors can insert DatasetIDs in manuscripts (please do! it helps a lot); see AAS and CDA web pages • DSID-DSID links (between missions) are possible CUC: Tracking Chandra Publications

  9. Links to Contributed Datasets • Users are encouraged to contribute high-level data products derived from Chandra data including, but not limited to, images, graphs, tables in publications • CDA will curate them in perpetuity • They will be assigned DatsetIDs • They can be linked to publications CUC: Tracking Chandra Publications

  10. About the mission: metrics • Traditional bibliometrics are problematic: • Plain number of papers is of limited use; for instance, the average number of observations used in a paper has increased dramatically over the life of the mission • Number of citations sensitive to self-citation – which cannot be corrected for reliably • Wealth of metadata in Chandra bibliography offers opportunities for more meaningful metrics – especially because of data-publication links CUC: Tracking Chandra Publications

  11. How long till first publication? CUC: Tracking Chandra Publications

  12. Subsequent publications CUC: Tracking Chandra Publications

  13. Published percentage of exposure time CUC: Tracking Chandra Publications

  14. Archive Proposals: First Publication CUC: Tracking Chandra Publications

  15. Theory Proposals: First Publication CUC: Tracking Chandra Publications

  16. Archive Proposals: Publications CUC: Tracking Chandra Publications

  17. Theory Proposals: Publications CUC: Tracking Chandra Publications

  18. Further Development • Include press releases and image gallery • Aggregate linking • Full-text search: improve harvesting papers • Extract grant numbers: tie in grants and proposals; enhance coverage of archive and theory proposals • More contributed datasets, integrate these sets • Integrate with RSS feeds CUC: Tracking Chandra Publications

  19. Future Collaborations • Extended metadata extraction, integration of ontologies, facilitation of semantic tools: ADS AstroExplorer • Text analysis: extract more information from text flows than can be obtained just from phrase matching • SIMBAD/NED links to Fields of View CUC: Tracking Chandra Publications

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