All Questions
3 questions
1
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0
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Are there publicly available neutral Hydrogen (HI) databases?
I am trying to compare a couple methods for estimating the rotation curve of the M31 (Andromeda) galaxy. Does anyone know of any publicly available databases or datasets that can be used to plot a ...
- 11
3
votes
1
answer
212
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Method to get data from NED IPAC and NVSS, without manually giving RA/dec input
I am collecting the radio flux data at 1.4Ghz frequency for all 1544 Markarian Galaxies for a study. For that, I have to first put the names of these Markarian galaxies in NED IPAC and from there ...
- 65
4
votes
1
answer
71
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Which galaxies have the most well known / estimated dark matter halos?
For this I guess you need
accurate circular velocity measurements of the stars in the galaxy
a decent luminosity profile for the galaxy
some analysis which looks at the discrepancy between the two
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- 73