analysis

Citations to Astronomy Journals 2: Ranking the Journals [Cross-post]

by Joanna Bridge October 22, 2018

This article is the second of a three-part series that is cross-posted from the ADS blog. In this series, the ADS team has performed an analysis of citations to astronomy journals over the last 20 years. This post is written by ADS project scientist Michael J. Kurtz and Edwin Henneken, who works on the ADS system […]

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Citations to Astronomy Journals 1: The growth of interdisciplinarity [Cross-post]

by Joanna Bridge October 8, 2018

This article is the first in a three-part series that is cross-posted from the ADS blog. In this series, the ADS team has performed an analysis of citations to astronomy journals over the last 20 years. This post is written by ADS project scientist Michael J. Kurtz and Edwin Henneken, who works on the ADS system […]

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Data Exploration with Glue

by Guest February 2, 2015

Chris Beaumont is a software engineer at Counsyl, and previously a software engineer at Harvard and the Space Telescope Science Institute. Glue began as a side project during Chris’ PhD thesis, and is now being developed to visualize data from the James Webb Space Telescope. We’ve recently released version 0.4 of Glue, a Python-based GUI […]

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A New Way To Search, A New Way To Discover: MAST Discovery Portal Goes Live

by Guest December 30, 2013

This is a guest post by Scott Fleming, an Archive Scientist at Space Telescope Science Institute (STScI). This is the third in a series of posts about MAST, the Mikulski Archive for Space Telescopes. The Mikulski Archive for Space Telescopes (MAST) is pleased to announce that the first release of our Discovery Portal is now […]

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Python Tip: Re-sampling spectra with pysynphot

by Jessica Lu August 12, 2013

This post was inspired by a question from John Johnson. Have you ever wanted to plot a model spectrum at lower resolution? Or compare a model spectrum with an observed spectrum? Have you ever wanted to shift several observed spectra to a common redshift to stack them up? In all these cases, you would need to resample […]

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A resource for fully calibrated NASA data

by Guest July 1, 2013

This is a guest post by Scott Fleming, an Archive Scientist at Space Telescope Science Institute (STScI).  Scott received his PhD from the Univ. of Florida, and was a postdoc at Penn State University prior to joining STScI. His research interests are binary stars, substellar companions, and extrasolar planets. The Mikulski Archive for Space Telescopes […]

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Searching MAST

by Guest May 21, 2012

This is a guest post from Rick White who is an astronomer at STScI. He is the Principal Investigator for MAST.  This is the first of a planned series of articles about using MAST. The newly re-christened Mikulski Archive for Space Telescopes (MAST) is NASA’s archive center for ultraviolet, optical, and near-infrared data. MAST includes […]

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Astrophysics Source Code Library (ASCL)

by Guest September 2, 2011

You don’t know me, but if you’ve written an astrophysics code useful for producing published results, I’d like to know you, or at least know of your code. I’m Alice Allen, primary editor of the Astrophysics Source Code Library (ASCL). The ASCL is a free online reference library of (wait for it…. ) …yes! Astrophysics […]

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How to Turn an ASCII Table into an SDSS spectrum? [Ask AstroBetter]

by Kelle January 18, 2011

[title revised Jan 19] Since Jane’s questions have proved to be very popular and useful posts, we’ve decided to make “Ask AstroBetter” a regular feature. Continuing on the theme of spectral analysis, Eilat asks, Is there a straightforward way to take a table of wavelength, flux, error spanning the same range as SDSS spectra and […]

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PiCloud: Advantages of running python in the cloud

by Eli December 28, 2010

When we go to conferences, observing runs, collaborations and other travels the first thing that comes to mind for packing is our laptop (or iPad). The laptop is steadfast, resolute and is always there when we need to work or relax. But there’s one slight problem; when we need to do work on the run, […]

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