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Jose Enrique Ruiz

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Extraction of Properties from a Sample of Galaxies

Created: 2013-01-05 16:54:48 | Last updated: 2013-01-05 16:57:46

Credits: Jose Enrique Ruiz

License: Creative Commons Attribution-Share Alike 3.0 Unported License

This document describes the "Galaxies Sample Selection" Research Object

File type: Adobe PDF

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Jose Enrique Ruiz

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Sample VOTable from SDSS DR7 Catalog II/294 in Vizier

Created: 2013-04-12 16:21:10

Credits: Jose Enrique Ruiz

License: Creative Commons Attribution-Share Alike 3.0 Unported License

This VOTable is used in workflow snippets provided in AstroTaverna starter pack

File type: Trident (Package)

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Jose Enrique Ruiz

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Luminosity Profiles Research Object

Created: 2013-01-05 16:34:46 | Last updated: 2013-01-05 16:58:18

In order to understand the evolution of galaxies, detailed analysis of images plays a key role. During the last years telescopes working at different wavelengths have been imaging the whole sky. One example of this is the Sloan Digital Sky Survey. The generated images provides a wealth of information, publicly available, and hence allowing them to be used by any interested group in the study of their own samples of objects or generation of new samples. The two main processing of the images ge...

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Jose Enrique Ruiz

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Galaxies Sample Selection Research Object

Created: 2013-01-05 16:51:56 | Last updated: 2013-01-05 16:59:16

In order to understand the evolution of galaxies, detailed analysis of images plays a key role. During the last years telescopes working at different wavelengths have been imaging the whole sky. One example of this is the Sloan Digital Sky Survey. The generated images provides a wealth of information, publicly available, and hence allowing them to be used by any interested group in the study of their own samples of objects or generation of new samples. The two main processing of the ima...

4 items in this pack

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Taverna 2

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Jose Enrique Ruiz

Intialize Sample (2)

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This workflow saves a tabular *.pckl Python pickle dataset in the local file system, containing values calculated on physical parameters associated to potential companions of a sample of target galaxies. These original physical parameters are extracted from a postgreSQL database, containing information of all galaxies covered by the SDSS spectroscopic survey. The workflow first access the external database located in the AMIGA server and selects the target galaxies from the sample (those havi...

Created: 2013-01-04 | Last updated: 2013-01-05

Credits: Juandesant Jsm

Taverna 2

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Jose Enrique Ruiz

Environment (2)

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From a previously selected cube of galaxies residing in a remote database, we provide extragalactic environment parameters for all galaxies sample. This workflow takes as input the path of the tabular *.pckl Python pickle dataset created in the previous workflow, as well as the database connection settings and several criteria on how to filter the potential companions of the target galaxies. It provides a file with the SDSS identifiers of each target galaxy of the sample, environmental estim...

Created: 2013-01-04 | Last updated: 2013-01-14

Credits: Juandesant Jsm

Tag Results

Items tagged with "sdss" (6)