All Questions
Tagged with sloan-dss data-analysis
5
questions
2
votes
0
answers
33
views
Sloan Digital Sky Survey - Obtaining Spectral and Photometric Datasets
I am working on a soft computing (fuzzy logic), genetic algorithm, explainable AI (XAI) classification system for astronomical objects from the Sloan Digital Sky Survey. The dataset I am currently ...
- 21
2
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24
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What are mag_a, mag_i, mag_z, a*, and sin_i * from the SDSS Moving Objects Data?
I'm currently working on the SDSS Moving Objects data sets and came across the column names mag_a, mag_i, mag_z, aprime, and sin_iprime. Can someone describe what these attributes mean, or where I can ...
- 21
4
votes
1
answer
507
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Accessing SDSS server SQL server via python
Is there a way to directly access any of the Sloan Digital Sky Survey servers via SQL via Python?
Currently I have been able to run SQL queries from the website they provide (for example https://...
- 299
1
vote
0
answers
46
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Error associated with Sersic Profile calculations?
I am working on a Bayesian analysis project for class using data I gathered some data from NASA's Sloan Atlas (http://www.nsatlas.org/). One of the variables I am dealing with is the Sérsic Index (...
- 11
1
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0
answers
495
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Sloan Digital Sky Survey (SDSS) HDU `or_mask` - what does it mean exactly?
I'm looking at the Sloan Digital Sky Survey data. I'm primarily using the flux data, from the documentation I see the first extend (HDU 1) has flux, ...
- 111