Author Archives: Tom

WMAP data accessible using SkyView Jar

We’ve made a small change to the way the WMAP data is described to allow it to be accessible either through the standard Web interface or to remote users using our SkyView Jar. Access isn’t quite the same as for … Continue reading

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SkyView includes WMAP Nine Year Data

We have updated SkyView to use the new nine year maps for WMAP. These represent the full mission dataset for the Wilkinson Microwave Anisotropy Probe. The structure is unchanged from the earlier 7 year data. We provide a total of … Continue reading

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UKIDSS surveys to be added to SkyView

Early in January 2013 we shall be adding access to the UKIRT Deep Infrared Sky Surveys (UKIDSS). Their web site describes these surveys as the successor to 2MASS. Ultimately they will cover about 7,000 square degrees, or a bit more … Continue reading

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SDSS update

The FITS headers generated by the SDSS surveys will now reflect that these are using DR9 data rather than DR8 results. The SDSS site switched to using DR9 a couple of weeks ago. We’re told the primary difference is improved … Continue reading

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SDSS DR9 release

It appears that the SDSS servers have begun serving SDSS DR9 data. SkyView accesses the SDSS through the Virtual Observatory Simple Image Access protocol (SIAP). In this protocol a user first requests a list of the images available in a … Continue reading

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WISE and SDSS problems

Recently we’ve had some problems with access to the WISE and SDSS surveys (but not the SDSS DR7). We access these remotely using a standard protocol where we first find a list of the images in the region of interest … Continue reading

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VLSS Redux available through SkyView

The VLSS sky survey has been updated to use data from the VLSS redux analysis described in Lane et al 2012. There is a slight increase in sky coverage and resolution and a substantial improvement in the noise due to … Continue reading

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FITS Header Issue

In some cases SkyView has been including newline characters in FITS headers. This is a violation of the FITS standards and apparently confuses some tools about subsequent header records. We’ve put in a fix for the problem this morning (10/25) … Continue reading

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Features in the Gallery: The GEICO Gecko?

One recent gallery entry shows — to me at least — a remarkable resemblance to the GEICO gecko. or you can see it a lot bigger in its gallery entry. This is a DSS blue image, and we don’t see … Continue reading

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WISE survey interruption

No access to WISE survey data was possible for much of today due to problems at IPAC. These have been resolved and WISE data should again be available through SkyView.  

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