Category Archives: Notices

Error accessing GRANT-SIGMA survey

Posted on February 1, 2013 by Tess Jaffe

A typo in the survey description had disabled the GRANT/SIGMA survey. This is now fixed. I apologize for the error.

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UKIDSS surveys to be added to SkyView

Posted on December 27, 2012 by Tess Jaffe

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

Posted on December 27, 2012 by Tess Jaffe

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

Posted on December 13, 2012 by Tess Jaffe

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

Posted on December 11, 2012 by Tess Jaffe

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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FITS Header Issue

Posted on October 25, 2012 by Tess Jaffe

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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SkyView system downtime scheduled for October 27-28

Posted on October 12, 2012 by Carina Kan

A significant downtime is  planned for the weekend of October 27-28 to upgrade computer facilities.  HEASARC/SkyView services may be down for a substantial fraction of the weekend. The downtime will start at 12:00pm EST Saturday October 27 and will last … Continue reading →

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SkyView system downtime has been postponed

Posted on September 21, 2012 by Carina Kan

The system downtime previously scheduled for this weekend has been cancelled and tentatively rescheduled for no earlier than October 13-14, 2012.

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SkyView system downtime September 21-23

Posted on September 17, 2012 by Carina Kan

A significant downtime is currently planned for the weekend of September 21-23 to upgrade computer facilities.  HEASARC/SkyView services may be down for a substantial fraction of the weekend.  We apologize for the inconvenience.

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WISE survey interruption

Posted on August 31, 2012 by Tess Jaffe

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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