Some questions answered What is VSX? Why was it created? Who is responsible? Who uses VSX? What were...
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Transcript of Some questions answered What is VSX? Why was it created? Who is responsible? Who uses VSX? What were...
![Page 1: Some questions answered What is VSX? Why was it created? Who is responsible? Who uses VSX? What were the requirements? How does it work? How are the.](https://reader035.fdocuments.us/reader035/viewer/2022062511/5514cd4655034640138b5e94/html5/thumbnails/1.jpg)
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Some questions answered
What is VSX?
Why was it created?
Who is responsible?
Who uses VSX?
What were the requirements?
How does it work?
How are the data vetted?
What data are in VSX?
What are the future plans for VSX?
What is covered in this talk?
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The International Variable Star IndeX
A comprehensive relational database of known and suspectedvariable stars gathered from a variety of respected publishedsources and made available through a powerful Web interfacewhich provides the tools for visitors to search and view thedata, registered users to revise and add to the data, andauthorized moderators to vet the data, creating a consistentlyreliable “living” catalog of the most accurate and up-to-dateinformation available on variable stars.
What is VSX?
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The big ideas
A central Web-accessible repository for up-to-the-minute information on all known and suspected variable stars from a variety of sources
A powerful application for searching, viewing, correcting, augmenting and managing variable star data
A method for “publishing” new variable stars that is simpler and faster than submitting a formal paper
A reliable way for getting the latest scientific findings into a comprehensive peer-reviewed catalog that is immediately made available to the public
A simple and intuitive interface for data mining
A full-featured portal to a wide variety of external resources
What is VSX?
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The seeds of a concept
Discussions between AAVSO staff, volunteers and observers
The sorry state of affairs in the cataloging of variable stars
The pace at which names are assigned and updates released
The absence of a central store for the growing mass of data
The resource limitations of AAVSO and other organizations
The abundance of willing and able volunteers
The availability of no-lo-cost open source development solutions
My strong personal interest in creating such a resource
AAVSO committee formed to investigate “variable star registry”
Why was it created?
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Christopher WatsonOriginal concept and Principal Architect
AAVSOSponsorship, web and database hosting, technical support
Consultants
Who is responsible?
James BedientBill GrayJohn GreavesArne HendenGeert HoogeveenRichard Huziak
Sebastian OteroVance PetriewAaron PriceBrian SkiffMike SimonsenPatrick Wils
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The casual visitor
Search the database for information on variable stars
Use the Web site as a convenient portal to external resources
The registered user
Submit revisions to existing stars in the database
Submit data for new variable star discoveries
Add cross-ids, comments and supporting documents
The authorized moderator
Review and assign status to submissions made by users
Communicate with users regarding contributionsWho uses VSX?
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For the casual visitor
Acquire data from the most significant variable star catalogs
Provide customizable form-based searching of the data
Provide several different search methods
Display concise search results and detailed views of the data
Provide links to object-specific data held at external resources
Download and display DSS images for any database object
Display a history of the revisions made to any database object
Provide forms for registering and creating a system login
Provide adequate and useful on-line help
Provide an enjoyable user experience
What were the requirements?
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How does it work?
The Home Page
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How does it work?
Search
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How does it work?
Search Results
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How does it work?
Detail Sheet
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For the registered user
Provide a method for submitting revisions to existing data
Provide a simple process for submitting new variable stars
Outwardly display credit for discoveries
Auto-generate IAU designations (VSX J234004.1+123800)
Implement automated e-mail notification of actions taken
Allow commentary to be submitted for any object
Permit upload, storage and linking of supporting documents
Provide a way to add new cross-identifications to any object
Afford secure access to user profile and login information
What were the requirements?
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How does it work?
User Registration
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How does it work?
Submit Revision
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How does it work?
Submission Method
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How does it work?
New Star Form
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How does it work?
New Star Wizard
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For the authorized moderator
Provide authenticated access to specialized vetting tools
Provide highly-visible notice of any queued submissions
Display concise lists of revisions, additions, cross-ids and files
Clearly display data differences between revision levels
Allow for basic editing of submitted data prior to approval
Provide simple status change and data relocation interface
Allow for “rollback” to previous revision levels, if necessary
Automate the generation of notification e-mails
Make the interface intuitive and easy to work with
What were the requirements?
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How are the data vetted?
Staged Submissions
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How are the data vetted?
Revision Review
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How are the data vetted?
File Upload Review
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Behind the scenes
Submitted revisions, additions, cross-ids and files are “staged” and are not immediately made available to the public
Staged submissions are reviewed by authorized moderators, and may be edited as required for clarity, or to correct obvious errors
Web tools available only to moderators provide an efficient interface for quickly evaluating the changes made in revisions and data provided in other types of submissions
Once approved, the submitted data (along with any associated docs) are moved by the system to the public index automatically
Rejected submissions may be corrected and resubmitted by the originator, accompanied by system-generated e-mail notifications
Revision levels are maintained, so any revision may be “rolled back” if subsequently found to be erroneous or unsupported
How are the data vetted?
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10 May 2006 launch data
Combined General Catalog of Variable Stars (GCVS 4.2, online)
All notes, references, and cross-identifications from GCVS
New Catalog of Suspected Variable Stars (NSV, NSV Supplement)
All Sky Automated Survey (ASAS-3) Catalog of Variable Stars
Red variables from The Northern Sky Variability Survey (NSVS)
Contact and near-contact binaries from NSVS
Information Bulletin on Variable Stars (IBVS)
New variable stars discovered from offered images to the MISAO Project
Miras and EBs from the Optical Gravitational Lensing Experiment (OGLE)
Bright contact and near-contact binaries from ROTSE
Downes et al. Catalog of Cataclysmic Variables (2006 Archival)
Total of 133,569 variables and suspects
What data are in VSX?
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A look ahead
Shepherd the maturation of the database
Import other variable star catalogs
Work toward “primary record” model (long-term)
Further enhance and streamline user interface
Integrate more powerful moderator tools
Collect user feedback and track issues
Implement frequently requested features
Periodically publish lists of revisions and additions
What are the future plans?
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Wrapping it up
VSX is a living, growing database of variable stars
Sponsored by the AAVSO
Seeded with data from some of the best existing catalogs
Eventually holding data for every known variable star
Data is searchable by anyone via the Web
Basic data may be revised by registered users
New discoveries may be added to the database
Supporting documents and comments may be stored for any star
A complete revision history is available for every star
Submissions continually reviewed by authorized moderators
Attractive and simple user interface makes it fun!
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vsx.aavso.org