May 30, 2017

KOA has released browse-quality spectra extracted with a new, automated pipeline from 18,821 nights of NIRSPEC high-dispersion data. The freely available pipeline is written in Python. A quick-look reduction mode is available to observers at the telescope. Version 2 of the Moving Object Search Service is also released.

September 28, 2015

Public release of LWS data (1998-2005).

July 06, 2015

Public release of NIRC data (1995-2010).

May 15, 2015

First release of data from the KODIAQ project.

December 19, 2014

Public release of OSIRIS data.

September 24, 2014

LWS data are now available on KOA to PIs.

July 2, 2014

Public release of ESI data, and release of NIRC data to PIs.

April 1, 2014

Public release of DEIMOS data.

March 05, 2014

A script to translate the names of data files ingested in KOA back to the original filenames as they came out of the telescope is available.

January 29, 2014

Public release of MOSFIRE data.

December 18, 2013

OSIRIS data are now available on KOA for PIs.

September 30, 2013

Public release of LRIS data.

July 02, 2013

ESI data are now available on KOA for PIs.

March 19, 2013

DEIMOS data are now available on KOA for PIs.

January 28, 2013

MOSFIRE data are now available on KOA for PIs.

October 02, 2012

LRIS data are now available on KOA for PIs.

May 03, 2012

Raw and calibrated NIRC2 data from 2001-2012 are now available on KOA.

May 17, 2010

Raw (level-0) NIRSPEC data from 2000-2010 are now available on KOA.

August 12, 2009

Extracted spectra from 1994 - 2004 obtained with the pre-upgraded single CCD are now available on KOA.

August 1, 2008

Extracted spectra from the upgraded HIRES raw data are now available on KOA.

June 30, 2008

HIRES data from 1994 - 2001 obtained with the pre-upgraded single CCD are now available on KOA.

April 30, 2008

HIRES data from 2001 - 2004 obtained with the pre-upgraded single CCD are now available on KOA.

July 17, 2006

The Keck Observatory Archive is now open to the general public. To access the data, go to the KOA User Interface .

November 11, 2005

HIRES data of GRB051111 were taken on November 11 UT, and are publicly available here.

July 4, 2005

Deep impact data of comet Tempel 1 have been taken with HIRES on July 4 UT and are publicly available through KOA

June 1, 2005

Pre-impact data of comet Tempel 1 have been taken with HIRES on May 30 UT and will be made publicly available through KOA on July 4, 2005.

May 1, 2005

Public access to DEEP IMPACT data will be available through KOA on July 4, 2005.

September 2, 2004

KOA is now open to PIs with HIRES data. To access your proprietary data, visit the KOA UI. A username and password, which will be provided to PIs after their runs, are required for login.

August 19, 2004