LEDAS Newsletters:

From time to time LEDAS publishes newsletters containing information on recent changes to archive services, problem reports, bug fixes, new services and forthcoming events. On this page you will find links to the most recent LEDAS newsletter and several back issues.

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The latest issue:

• Newsletter 18 - 5th July 2004
  New DSS service supports DSS-II, coordinate grids * ARNIE5 contains 340 catalogues, daily updates
  ARNIE5 Aladin interface * BLASTA, SIMBAD, ViZieR services moved * 2MASS, UCAC2 in BLASTA
  New web address for Chandra Mirror * WebChaSeR archive search interface * Chandra AGASC catalogue
  Cas A 1Msec data available * NAM 2004 poster * Software updates
  

Previous issues:

• Newsletter 17 - 29th May 2003
  1XMM Catalogue available at LEDAS * ARNIE5: New search interface with interactive plotting
  USNO-B1.0 online * Software updates * Scripted access to Digitised Sky Survey
  New web address for LEDAS

• Newsletter 16 - 25th February 2002
  ASCA Public Archive mirror complete. New HEASARC software * PIMMS updated
  Chandra CALDB updated * Chandra: Neutron star RX1856-375 data available
  New ARNIE database tables * Changes in "command-line" BROWSE access
  
  
• Newsletter 15 - 19th November 2001
  ViZieR Gateway online * SIMBAD Bibliography search online * BLASTA service enhancements
  W3PIMMS updated * New HEASARC software * Chandra HDF datasets mirrored * Chandra
  CALDB data mirrored * Chandra CIAO data reduction software updated * New ARNIE database tables
  
  
• Newsletter 14 - 3rd November 2000
  Chandra Archive Mirror now online at LEDAS * ROSAT All-Sky Survey image data available
  from LEDAS * Enhanced DSS service * New search engine (BLASTA) * Search LEDAS through
  GAIA * New LEDAS Support Scientist appointed.
  
  
• Newsletter 13 - 26th July 1999
  LEDAS Phase III * New LEDAS hardware and website * Chandra Science Mirror at LEDAS
  UK ASCA Archive * ROSAT Post-Mission Phase * Aspect error in SASS processing of HRI images
  
  
• Newsletter 12 - 5th June 1998
  New UK Mirror for FTOOLS software * UK ASCA Archive * ROSAT Satellite Status
  ROSAT AO-9 * Spectral resolution of HRI detector * ROSAT Results Archive
  
  
• Newsletter 11 - 8th May 1998
  New Leicester Ginga Results and Data Products Archive * DSS Image Browser
  New ROSAT WFC Data Distribution Service
  
  
• Newsletter 10 - 6th Feb 1996
  UK ROSAT Guest Observer Centre WWW page * AO-6 timeline * ROSAT AO-7
  ROSAT Data Archive - Revision 2 Datasets * ROSAT-WFC Survey Image Browser
  Third UK ROSAT/ASCA Science Workshop - First Announcement