VOSA. Help and Documentation

Version 7.0, July 2021

1. Introduction
2. Input files
2.1. Upload files
2.2. VOSA file format
2.3. Single object
2.4. Manage files
2.5. Archiving
2.6. Filters
3. Objects
3.1. Coordinates
3.2. Distances
3.3. Extinction
4. Build SEDs
4.1. VO photometry
4.2. SED
4.3. Excess
5. Analysis
5.1. Model Fit
5.2. Bayes analysis
5.3. Template Fit
5.4. Templates Bayes
5.5. Binary Fit
5.6. HR diagram
5.7. Upper Limits
5.8. Statistics
6. Save results
6.1. Download
6.2. SAMP
6.3. References
6.4. Log file
6.5. Plots
7. VOSA Architecture
8. Phys. Constants
9. FAQ
10. Use Case
11. Quality
11.1. Stellar libraries
11.2. VO photometry
12. Credits
12.1. VOSA
12.2. Th. Spectra
12.3. Templates
12.4. Isochrones
12.5. VO Photometry
12.6. Coordinates
12.7. Distances
12.8. Dereddening
12.9. Extinction
13. Helpdesk
14. About
. Excess calculation
. Total flux calculation
. VOphot quality info

Use Case: From SED fitting to Age estimation. The case of Collinder 69

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Save Results.

Finally we want to download all the results that we have obtained in this session.

We access the Save Results tab and we see a form with all the information that is available to download. Obviously, we cannot download anything related to Template fit or Template bayes analysis because we haven't tried those options in this case.

We mark all the available options and click the "Retrieve" button.

VOSA will make a compressed tar file with all the information so that we can dowload it.

When you explore the tar file, you can see several folders containing files of different types. For instance:

  • The results/ folder contains files with lists of results for all the objects.
  • The objects/LOri01/ folder contains more folders, with files with info corresponding only to the LOri01 object.
  • The .dat files contains ascii data.
  • .xml files contains a VOTable version of the corresponding data.
  • .png are graphics in PNG format.
  • .ps are postscript versions of those graphs.
  • .agr files are versions of those graphs that can be edited by xmgrace if you need to improve the graphics.
  • etc.


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