Gamma Ray Burst datasets that consist of distance modulus & redshift

In summary, the conversation discusses the search for a specific dataset related to supernovae and gamma ray bursts. The person asking for the dataset has tried using Google, but has not been successful. Another person suggests using different search parameters with the pdf additive, and provides multiple links to articles and papers that may contain the desired dataset. Finally, the person asking for the dataset thanks the others for their help and mentions finding the desired data through one of the suggested papers.
  • #1
kosmolog
3
0
Hi guys I am looking for a dataset to use in my thesis. I am working on UNION 2.1 sample of supernovea Ia data. That dataset consist of redshift and distance modulus with uncertainty (sigma) for 590 supernovea.
Do you guys know where can i find similar dataset for GRBs?
 
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  • #2
try google "gamma ray burst data"
 
  • #3
I have tried it. Thank you for being rude. I am asking about a quite specific dataset but you do not seem to grasp that.
 
  • #4
try this in your google search

"supernovae gamma ray burst datasets Union 2 pdf" The pdf additive tends to pull up the professional papers more often.

pulls up numerous articles including this one

"Testing the consistency of Gamma Ray Burst data-set and Supernovae Union2"
http://arxiv.org/abs/1007.4734
Constraining the Anisotropy of the Universe from Supernovae and Gamma-ray Bursts
http://arxiv.org/abs/1405.3074

not sure if those will work for you, but different forms of search parameters with the pdf additive can often work wonders or mislead lol
http://supernova.lbl.gov/Union/Union2.html
http://supernova.lbl.gov/Union/figures/hst-2001_arXiv.pdf
http://arxiv.org/pdf/1009.5837.pdf?origin=publication_detail
http://arxiv.org/pdf/1310.5211.pdf
http://journals.aps.org/prd/abstract/10.1103/PhysRevD.83.023010
http://xxx.tau.ac.il/pdf/1310.8435.pdf
 
Last edited:
  • #5
  • #6
Forgot to add if you look at the various articles references you should be able to find more
 
  • #7

Related to Gamma Ray Burst datasets that consist of distance modulus & redshift

1. What is a Gamma Ray Burst (GRB) dataset?

A Gamma Ray Burst dataset consists of measurements of the distance modulus and redshift of GRBs. The distance modulus is a measure of the brightness of the GRB, while the redshift is a measure of how much the light from the GRB has been stretched due to the expansion of the universe. These two measurements can provide valuable information about the properties of the GRB and the universe.

2. How are the distance modulus and redshift of GRBs measured?

The distance modulus of a GRB is typically measured using the brightness of the GRB at different wavelengths. This is compared to the expected brightness of a standard candle (an object with a known, constant brightness) at the same distance. The redshift of a GRB is measured by analyzing the spectrum of its light and looking for the characteristic shifts in wavelength caused by the expansion of the universe.

3. What can we learn from studying GRB datasets?

Studying GRB datasets can provide important insights into the formation and evolution of the universe. GRBs are some of the most energetic events in the universe and can occur in a variety of environments, allowing scientists to study different aspects of the universe. By analyzing the distance modulus and redshift data, scientists can learn about the properties of the GRB itself, the environment in which it occurred, and the expansion rate of the universe.

4. Are there any limitations to using distance modulus and redshift data from GRB datasets?

As with any dataset, there are limitations to using distance modulus and redshift data from GRBs. One limitation is the uncertainty in the measurements, which can be affected by factors such as instrumental errors, dust in the line of sight, and the intrinsic variability of the GRB itself. Additionally, the distance modulus and redshift data may not be available for all GRBs, limiting the size and diversity of the dataset.

5. How do scientists analyze and interpret GRB datasets?

Scientists use a variety of statistical and computational techniques to analyze and interpret GRB datasets. This can include fitting models to the data, comparing the data to theoretical predictions, and identifying patterns or trends in the data. Scientists also collaborate and share their findings with others in the scientific community to ensure the accuracy and validity of their analyses.

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