ADASS XXII University of Illinois
November 4-8, 2012
ADASS2012 program header image

ADASS XXII Conference

Demos

See the schedule for presentation times.

D1: Astrophysics Source Code Library

    
Allen, Alice Astrophysics Source Code Library
DuPrie, Kimberly Astrophysics Source Code Library
Berriman, Bruce Infrared Processing and Analysis Center, California Institute of Technology
Hanisch, Robert J. Space Telescope Science Institute/VAO
Mink, Jessica Harvard-Smithsonian Center for Astrophysics
Teuben, Peter University of Maryland

The Astrophysics Source Code Library (ASCL), founded in 1999, is a free on-line registry for source codes of interest to astronomers and astrophysicists. The library is housed on the discussion forum for Astronomy Picture of the Day (APOD) and can be accessed at http://ascl.net. The ASCL has a comprehensive listing that covers a significant number of the astrophysics source codes used to generate results published in or submitted to a refereed journal and continues to grow. The ASCL currently has entries for over 500 codes; its records are citable and are indexed by ADS. The editors of the ASCL and members of its Advisory Committee will be on hand to demonstrate the ASCL, accept code submissions, show how the ASCL is starting to be used by the astrophysics community, and take questions on and suggestions for improving the resource.

D2: MAST/VAO Data Discovery Portal

    
Donaldson, Tom Space Telescope Science Institute
Rogers, Tony Space Telescope Science Institute
Wallace, Geoff Space Telescope Science Institute

The MAST/VAO Data Discovery Portal is a web-based application for discovering data from the Mikulski Archive for Space Telescopes (MAST) and the resources of the worldwide Virtual Observatory (VO) community. Using both local database access and VO protocols, the Portal can search those widely distributed resources and present the results in a single unified web page. A powerful filtering mechanism allows the user to quickly narrow the initial results to a short list of likely applicable data. Guidance on choosing appropriate data sets is provided by a variety of integrated displays, including an interactive data table, basic histograms and scatter plots, and an all-sky browser/visualizer with observation and catalog overlays. Data discovered through the tool can be downloaded or exported directly to other VO-aware tools for further analysis. An extensible infrastructure will allow the addition of new views and components such as a virtual desktop for managing server-side files and data processing.

D3: COmanage: enabling efficient online collaboration

    
Koranda, Scott University of Wisconsin-Milwaukee and LIGO
Flanagan, Heather Internet2
Huynh, Marie University of Wisconsin-Milwaukee and LIGO
Klingenstein, Ken Internet2
McGrath, Steve Internet2
Oshrin, Benjamin Internet2

Consider a group of researchers from different astronomy projects who have an idea for a joint project and want to collaborate. Their online collaboration would be more efficient if they all had easy login access to the same wiki, calendar, mail lists, and web portals. The usual solution is to provision a new electronic identity, login, or account for each researcher. This solution, however, is bothersome for users since they acquire yet another new account and for administrators since they need to support ever more users. A better solution is to enable access for each researcher using an existing electronic identity he or she uses everyday. Most campuses, laboratories, facilities, and organizations issue electronic identities to their members. Many of these institutions in the United States have joined the InCommon identity federation and have agreed to federate these identities so that their members can access web resources outside their home institution using their home credentials. More organizations join InCommon each week including many research projects and laboratories. Similar identity federations exist in Canada, Europe, Australia, and Japan. Recently the LIGO project joined InCommon to facilitate efficient online collaboration between LIGO scientists and researchers from other astronomy and astrophysics projects. LIGO,together with collaborators from Internet2, is building the COmanage suite of tools for Collaborative Organization management. Using COmanage and leveraging federated identities we plan to streamline electronic collaboration between LIGO and other astronomy projects so that scientists spend less time managing accounts and access control and more time doing science. We will demonstrate using COmanage to create a new collaborative project, invite researchers to join the project using existing electronic identities they already have, and immediately grant access to collaborative tools like wikis and portals. Any conference attendee from a participating InCommon campus or organization will be eligible to be invited during the demonstration and then instantly access web resources and start collaborating using his or her existing federated identity.

D4: IRSA Web/AJAX FITS Visualization tools

    
Roby, William Caltech
Wu, Xiuqin Caltech
Goldina, Tatiana Caltech
Ly, Loi Caltech

Astronomy archives are increasingly offering some simple FITS visualization options to users. At IRSA, we tightly integrate a web based, full featured FITS viewer into the search results. This gives users access to very powerful tools without having to use a separate program or page. This demo will show how we are using our Firefly system in multiple archive web sites. We will also demo the Firefly tools API to show how to integrate a FITS viewer into any web page without having to manage a server component. Firefly is a powerful, configurable system for building web-based user interfaces to access astronomy science archives. It has been in production for the past 3 years. We are using Firefly to serve data for several projects, both ground and space based. These projects include Spitzer, Planck, WISE, PTF, LSST and others. The similarities between the different archive user interfaces greatly reduced the learning curve and enhanced the user experiences of the archive systems. Firefly was created in IRSA, the NASA/IPAC Infrared Science Archive (http://irsa.ipac.caltech.edu).

D5: Web and Desktop Applications for ALMA Science Verification Data

    
Shirasaki, Yuji National Astronomical Observatory of Japan
Kawasaki, Wataru National Astronomical Observatory of Japan
Eguchi, Satoshi National Astronomical Observatory of Japan
Komiya, Yutaka National Astronomical Observatory of Japan
Kosugi, George National Astronomical Observatory of Japan
Ohishi, Masatoshi National Astronomical Observatory of Japan
Mizumoto, Yoshihiko National Astronomical Observatory of Japan

The amount of astronomical data has been doubling every 1.5 years. On the other hand, the data transmission bandwidth through the internet has not been sufficient for such a rapid increase in the data at all. As a result, it is already impossible to retrieve the whole dataset from data archives. Atacama Large Millimeter/submillimeter Array (ALMA) is the largest radio telescope operating in Chile, and it is expected to produce 200 TB of data every year. Even a data cube obtained for a single source can exceed 1 TB, and it is almost impossible to retrieve the whole data cube. It is crucial to reduce the size of data transmitted through the internet, and one needs to cutout a part of a data cube and/or to reduce the spatial/ frequency resolution before transferring the data. To specify the cutout region or required resolution, one needs to overview whole of the data without transferring the large data cube. For this purpose, we developed two applications for quick-looking ALMA data cube. One is a web-based quick look application (Eguchi et al. in this conference), which can be used to have a look at integrated images over frequency and spatially-integrated spectrum of the data cube; these images can be zoomed and centered interactively. This web application is written in the HTML5 and the JavaScript, and does not require any plug-ins nor add-ons. The other is a desktop application, Vissage (VISualisation Software for Astronomical Gigantic data cubEs, Kawasaki et al. in this conference). Using this application, one can handle data cubes in various modes, such as integrated intensity map, 1st / 2nd moment map, Channel map, P-V diagram, and so on. Both of the two applications communicate with the ALMA VO data service, which is implemented on Table Access Protocol (TAP) specification developed by the International Virtual Observatory Alliance. We will demonstrate functionalities of these two applications.