Propagation of properties extracted from the HyperLEDA catalog in the calculation of luminosities of galaxies
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Propagation of properties extracted from the HyperLEDA catalog in the calculation of luminosities of galaxies
author: Jose Enrique Ruiz
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date published: 2014-01-24 15:04:31.757000+00:00
description: The scientific experiment represented by this research object pertains to the multi-wavelength study for a sample of the most isolated galaxies in the local universe. This study characterizes each galaxy of this sample through both the measurement of basic astrophysical properties: - The equatorial coordinates in J2000 epoch - The velocities in km/s (v) - The dust extinction coefficient (ag) - The axis ratio of the isophote 25 mag/arcsec2 (logr25) - The apparent total B magnitude (BT) - The morphological type (t) and the calculation of the more complex properties: - The distance in Mega parsecs (D) - The corrected apparent B magnitude (btc) - The optical luminosity in B-band (LB) Specifically, this research object is focused on the calculation of the intrinsic luminosity in the Johnson B-band, in order to achieve it the measurement or calculation of all those astrophysical properties is needed. All the data involved in the characterization of the sample are stored in a local relational MySQL database. To maintain up to date this database and to register all the updates properly is part of this scientific experiment.
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comment: Design Sketch and Experiment hypothesis will improve readability. Consider adding these elements.
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comment: Please, take into account Hubble constant value in the determination of distances
comment: The Hubble constant value has been considered in the script calculateDistance.py
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cite-as: Jose Enrique Ruiz. "Propagation of properties extracted from the HyperLEDA catalog in the calculation of luminosities of galaxies." ROHub. Jan 24 ,2014. https://w3id.org/ro-id/5d4b945d-1b5b-4240-8095-9f07284df2f2.

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Calculation of distances, magnitutes, and luminosities using Hyperleda
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distances.sql
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morphoNew.txt
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Propagation of physical quantities in the calculation of luminosities of galaxies
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Schema.png
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btc.sql
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D5.3v1: Propagation of interdependent quantities in the calculation of luminosities of galaxies
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Gathering galaxy properties using Hyperleda
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