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121. Extreme Ultraviolet Explorer Merged Spectra
ID:
ivo://mast.stsci/ssap/euve
Title:
Extreme Ultraviolet Explorer Merged Spectra
Short Name:
EUVE
Date:
22 Jul 2020 21:49:27
Publisher:
Space Telescope Science Institute Archive
Description:
The Extreme Ultraviolet Explorer (EUVE) was a NASA-funded satellite launched in June 1992 which obtained extreme ultraviolet spectra (70 - 760 Angstroms) of over 350 unique astronomical targets. The science payload, was designed and built at the Space Sciences Laboratory at the University of California, Berkeley, under the direction of Dr. Roger F. Malina. The program ended in January, 2001. These particular spectra were extracted by Damian Christian, formerly of the EUVE project, and reformatted by MAST staff.
122. Faint Object Camera
ID:
ivo://archive.stsci.edu/hst/foc
Title:
Faint Object Camera
Short Name:
HST.FOC
Date:
23 Jul 2020 19:48:27
Publisher:
Space Telescope Science Institute Archive
Description:
The Faint Object Camera (FOC) was one of the 4 original axial instruments on the Hubble Space Telescope (HST). FOC is used to make high-resolution observations of faint sources at UV and visible wavel
123. Faint Object Spectrograph
ID:
ivo://archive.stsci.edu/hst/fos
Title:
Faint Object Spectrograph
Short Name:
HST.FOS
Date:
23 Jul 2020 19:48:53
Publisher:
Space Telescope Science Institute Archive
Description:
The Faint Object Spectrograph (FOS) was one of the 4 original axial instruments aboard the Hubble Space Telescope (HST). The FOS was designed to make spectroscopic observations of astrophysical sources from the near ultraviolet to the near infrared (1150 - 8000 Angstroms). The instrument was removed from HST during the Second Servicing Mission in February 1997.
124. Far Ultraviolet Explorer (FUSE) Observation Log
ID:
ivo://nasa.heasarc/fuselog
Title:
Far Ultraviolet Explorer (FUSE) Observation Log
Short Name:
FUSE
Date:
07 Mar 2025
Publisher:
NASA/GSFC HEASARC
Description:
NASA's FUSE (Far Ultraviolet Spectroscopic Explorer) spacecraft provided spectra in the far-ultraviolet portion of the electromagnetic spectrum (the wavelength range from 905 - 1180 Angstroms, or 90.5 - 118 nm), with a high spectral resolution of about 20000 (one wavelength point each 5 pm). FUSE was funded by NASA as part of its Origins program, and was developed in collaboration with the space agencies of Canada and France. It was operated for NASA by the Johns Hopkins University. FUSE was launched into orbit aboard a Delta II rocket on June 24, 1999 for a nominal mission of three years of operations. This table contains the FUSE Observation Log up to May 8, 2007, as archived at CDS in summer 2007. FUSE was formally decommissioned on October 18, 2007, following the failure of the last control wheel on the spacecraft in July 2007. More information about the FUSE Project can be found at NASA's Optical and Ultraviolet Archive (MAST) at <a href="http://archive.stsci.edu/">http://archive.stsci.edu/</a> and at the Johns Hopkins FUSE web site at <a href="http://fuse.pha.jhu.edu/">http://fuse.pha.jhu.edu/</a>. This database table was updated by the HEASARC in March 2009, superceding the previous versions of May 2007, May 2004, March 2005, and April 2006. It is primarily based on the CDS table <B/fuse>, specifically, the files fuse.dat, refs.dat and proposal.dat, but also contains additional information on proposal titles and bibliographic codes obtained from the MAST FUSE Archive. The HEASARC plans to update the bibliographic metadata for this table on a monthly basis as and when new information from the latter source becomes available. This is a service provided by NASA HEASARC .
125. Far Ultraviolet Spectroscopic Explorer
ID:
ivo://mast.stsci/ssap/fuse
Title:
Far Ultraviolet Spectroscopic Explorer
Short Name:
FUSE
Date:
22 Jul 2020 21:53:56
Publisher:
Space Telescope Science Institute Archive
Description:
The Far Ultraviolet Spectroscopic Explorer (FUSE), launched on June 24, 1999, covers the 905-1187 Å spectral region and obtains high resolution spectra of hot and cool stars, AGNs, supernova remnants, planetary nebulae, solar system objects as well as perform detailed studies of the interstellar medium. This service provides access to the FUSE spectra reprocessed using CalFUSE 3.2 and reformatted to be VO-compatible.
126. Far Ultraviolet Spectroscopic Explorer
ID:
ivo://archive.stsci.edu/fuse
Title:
Far Ultraviolet Spectroscopic Explorer
Short Name:
FUSE
Date:
22 Jul 2020 21:29:31
Publisher:
Space Telescope Science Institute Archive
Description:
The Far Ultraviolet Spectroscopic Explorer (FUSE), launched on June 24, 1999, covers the 905-1187 Å spectral region and will obtain high resolution spectra of hot and cool stars, AGNs, supernova remnants, planetary nebulae, solar system objects as well as perform detailed studies of the interstellar medium. FUSE will be able to observe sources 10 000 times fainter than Copernicus, an early FUV mission, and has superior resolving power than the Hopkins Ultraviolet Telescope (HUT) and the Berkeley Spectrograph (BEFS) and the Tübingen Echelle Spectrograph (TUES) of the Orbiting Retrievable Far and Extreme Ultraviolet Spectrometers (ORFEUS). FUSE was planned for a 3 year lifetime with funding for an additional 2 years expected.
127. Far Ultraviolet Spectroscopic Explorer Archive
ID:
ivo://cadc.nrc.ca/FUSE
Title:
Far Ultraviolet Spectroscopic Explorer Archive
Short Name:
FUSE Archive
Date:
15 Jun 2019 21:15:21
Publisher:
Canadian Astronomy Data Centre
Description:
128. Fermi GBM Daily Data
ID:
ivo://nasa.heasarc/fermigdays
Title:
Fermi GBM Daily Data
Short Name:
FERMIGDAYS
Date:
07 Mar 2025
Publisher:
NASA/GSFC HEASARC
Description:
The Fermi GBM Daily Data database table contains entries for each day for which GBM data has been processed. The daily data products consist of GBM data that are produced continuously regardless of whether a burst occurred. Thus these products are the count rates from all detectors, the monitoring of the detector calibrations (e.g., the position of the 511 keV line), and the spacecraft position and orientation. Some days may also have event lists known as time-tagged event (TTE) files associated with them. These TTE files have the same format as those produced for bursts. Due to the large data volume associated with TTE files, only certain portions of the day considered of scientific interest to the instrument team will have TTE data. The underlying Level 0 data arrive continuously with each Ku band downlink. However, the GBM Instrument Operations Center (GIOC) will form FITS files of the resulting Level 1 data covering an entire calendar day (UTC); these daily files are then sent to the FSSC. Consequently, the data latency is about one day: the first bit from the beginning of a calendar day may arrive a few hours after the day began while the last bit will be processed and added to the data product file a few hours after the day ended. These data products may be sent to the FSSC file by file as they are produced, not necessarily in one package for a given day. Note that the data may include events from slightly before and slightly after the day official boundaries, which will be reflected in the start and stop times in the table. Consequently, some events may be listed in files for two consecutive days (e.g., at the end of one and the beginning of the next). Due to the continuous nature of GBM processing, new data files may arrive after the day has been included in Browse and reprocessed version may also arrive at any time. The reprocessed data will have the version number incremented (see file name conventions below). Browse will automatically download the latest versions of the data files. This database table was created by and is updated by the HEASARC based on information supplied by the Fermi Project. It is updated on a daily basis. The tte_flag parameter was added to the table in July 2010. This is a service provided by NASA HEASARC .
129. Fermi LAT Weekly Data
ID:
ivo://nasa.heasarc/fermilweek
Title:
Fermi LAT Weekly Data
Short Name:
FERMILWEEK
Date:
07 Mar 2025
Publisher:
NASA/GSFC HEASARC
Description:
The Fermi LAT Weekly Data database table provides access to LAT data binned into weekly files by the FSSC's data servers. For each week, the FSSC provides two FITS files: an all-sky file of photons containing positions, energies, etc. and a spacecraft pointing history file. The underscore separated fields in the file names indicate the file type (photon or spacecraft), the Fermi mission week (e.g., w009 = week 9), the processing version (which will change with each major reprocessing of LAT data), and a version number for the file itself. Note that currently the data may include events from slightly after the official week boundaries, which will be reflected in the start and stop times in the table. Any "run" of LAT data the FSSC receives that starts in a given week is put into the weekly file for that week and not broken up. Note additional selections must be applied to the weekly files prior to use in a data analysis. See <a href="http://fermi.gsfc.nasa.gov/ssc/data/analysis/documentation/Cicerone/Cicerone_Data_Exploration/Data_preparation.html">LAT Data Selection Recommendations</a> and <a href="http://fermi.gsfc.nasa.gov/ssc/data/analysis/LAT_caveats.html">Caveats About Analyzing LAT Data</a> for more information. For queries based on position, energy, and exact times, use the <a href="http://fermi.gsfc.nasa.gov/cgi-bin/ssc/LAT/LATDataQuery.cgi">FSSC's LAT data server</a>. This database table is created by the HEASARC from FITS tables received from the Fermi Science Support Center (FSSC). It is updated on a weekly basis. This is a service provided by NASA HEASARC .
130. Fermi Map: Band 1
ID:
ivo://nasa.heasarc/skyview/fermi
Title:
Fermi Map: Band 1
Short Name:
FERMI
Date:
07 Mar 2025
Publisher:
NASA/GSFC HEASARC
Description:
This survey sums all data observed by the Fermi mission up to week 396. This version of the Fermi survey are intensity maps where the summed counts data are divided by the exposure for each pixel (in cm^2 s) and the area of the pixel. Data is broken into 5 energy bands <ul> <li> 30-100 MeV Band 1 </li> <li> 100-300 MeV Band 2 </li> <li> 300-1000 MeV Band 3 </li> <li> 1-3 GeV Band 4 </li> <li> 3-300 GeV Band 5 </li> </ul> The SkyView data are based upon a Cartesian projection of the counts divided by the exposure maps. In the Cartesian projection pixels near the pole have a much smaller area than pixels on the equator, so these pixels have smaller integrated flux. When creating large scale images in other projections users may wish to make sure to compensate for this effect the flux conserving clip-resampling option. Provenance: Fermi LAT instrument team, NASA Goddard Space Flight Center. This is a service of NASA HEASARC.

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