Category Archives: Notices

SkyView update to FIRST survey

Posted on June 7, 2016 by Tess Jaffe

We have just released V3.1.19 of SkyView. The only major change is an update to the FIRST survey which incorporates the latest data available at the MAST archive at the Space Telescope Science Institute. There is a bit more coverage … Continue reading →

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Skyview V3.1.16: Effelsberg-Bonn HI Survey

Posted on February 29, 2016 by Tess Jaffe

We have just released a new version of SkyView which adds the Effelsberg-Bonn HI survey: measuring the HI column density for the entire sky north of -6 declination with unprecedented resolution and sensitivity.   Look for the EBHIS survey in the … Continue reading →

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Lanczos Normalization Error

Posted on February 4, 2016 by Tess Jaffe

The Lanczos sampler is a truncated version of the optimal sampling function, sinc(x). The kernel of this sampler is given as f(x) = sinc(pi x) sinc(pi x/n)    |x| < n 0    |x| >= n Here x is given in … Continue reading →

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Updated Fermi SkyView Surveys.

Posted on November 12, 2015 by Tess Jaffe

In the next few days we’ll be updating the Fermi survey datasets. The updates include data through week 379 of the mission (in October). This adds several years of data since we last updated Fermi early in 2012. Unlike the … Continue reading →

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SkyView V3.1.13: SkyView-in-a-Jar bug fixes.

Posted on May 19, 2015 by Tess Jaffe

We’ve just released new version of SkyView that fixes a couple of bugs associated with using SkyView-in-a-Jar. Users of the web pages should not see any changes. There is a batch mode option in the jar which allows many requests … Continue reading →

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SkyView v3.1.8 with GALEX DR7 released.

Posted on November 12, 2014 by Tess Jaffe

A new version of SkyView, v3.1.8, has been installed as the default version. The significant change from the user perspective is that the GALEX DR7 is included. New data is mostly in the NUV. To access these data through SkyView-in-a-Jar … Continue reading →

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GALEX DR7 in SkyView

Posted on November 6, 2014 by Tess Jaffe

We’re testing out a new version of SkyView where we’ve upgraded the GALEX survey to include more GR7 data. There are a few minor internal changes. Most of the new data is for the NUV. When we release this survey … Continue reading →

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Looking for Moving Targets? Try SkyMorph

Posted on August 26, 2014 by Tess Jaffe

One of the restrictions on SkyView is that you need to specify a fixed position in the sky to look at. For many years the SkyView machine has hosted a companion service, SkyMorph, that allows you to look for many … Continue reading →

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SkyView and SkyMorph Problems 8/24/2014

Posted on August 25, 2014 by Tess Jaffe

SkyView‘s disk area for user-generated images filled up on the morning of August 24 (EDT) and the problem was not corrected until about 9 AM on August 25. SkyView and SkyMorph requests during that time failed. We apologize for any … Continue reading →

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V3.1.2 released. Fixes to Mellinger survey

Posted on March 11, 2014 by Tess Jaffe

Version 3.1.2 of SkyView has been released. Three bugs all related to the Mellinger optical surveys have been fixed in this latest release. All relate to use of the the Mellinger data. The errors were present only in images of … Continue reading →

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