Specview history

Version 2.14.4

Released August 25, 2009; created June 5, 2009

• User can select wavelength regions to define rectification continuum in the spectrum processing pipeline.

Version 2.14.3

Installed February 13, 2009

• User-selectable order for continuum polynomial.
• Additional SSAP parameters in VO queries.
• Use new VO registry at STScI.
• CSV output format.
• Several bug fixes.

Version 2.14.2

Installed March 19, 2008

• Continuum rectification by nth-order polynomial.
• Reads SDSS spectra with sky information.
• Connects to new CDBS repository at STScI.
• Several bug fixes.

Version 2.14.1

Installed September 13, 2007

• Updated Virtual Observatory user interface.
• Preliminary support of SSAP v1.0.
• Simple FITS writer.

Version 2.14

Installed April 5, 2007

• Prototype Galactic/SPC file format reader.
• Prototype CGPS/JCMT file format reader.
• Orthogonal polynomial spectrum normalizer.
• Spectral line lists read from SLAP servers (prototype VO feature).
• Better support for velocity units.
• Windows have persistent size and location on screen.
• Dynamic cursor zoom using mouse wheel.
• Minor changes in general look-and-feel.
• Integration with Mac application interface.
• Ctrl-click now works on Mac.
• Rubber band box turned off on Mac by default.
• Several minor bug fixes.

Version 2.13

Installed December 11, 2006

• Kurucz stellar models were added to the fitting library.
• New library of template spectra and standard star spectra.
• Spectrum data browser now lists values for the model, residuals, and normalized data arrays, when fitting models to data.
• New undo capability when defining wavelength ranges.
• Separate auto-log user preference for each of the X and Y plot axis.
• Bug fixes.

Version 2.12.2

Installed September 15, 2006.

• Interpolating polynomial spectral model.
• Normalization of spectral data by spectral model.
• Plain ASCII text output format to facilitate export to other applications.
• Bug fixes.

Version 2.12.1

Installed February 13, 2006.

• User preferences editor.
• Support for TUES Tubingen echelle spectrograms.
• Bug fixes.

Version 2.12

Installed August 10, 2005.

• Tiled plot mode.
• JPEG hardcopy option.
• User-configurable VO registries and servers.

Version 2.11

Installed April 7, 2005.

• Virtual Observatory interface.
• "Expand in X" graphics control.
• Optional dashed and dotted cross-hair styles.

Version 2.10.3

Installed February 17, 2005.

• Much improved IVOA SED Data Model reader / writer.
• Tree view of SED meta data.
• Preliminary version (still under test) of a FUV interstellar extinction model with lines.
• Bug fixes (cursor artifacts).

Version 2.10.2

Installed January 10, 2005.

• Sequence numbers in spectrum memory window (to support scripting interface)
• Bug fixes (error arrays, units)

Version 2.10.1

Installed December 15, 2004.

• Preliminary installment of a spectral template tool.
• Preliminary installment of a IVOA SED Data Model reader / writer.
• Tree view of internal memory buffer.
• Support for intensity units.
• Bug fixes.

Version 2.10

Installed November 8, 2004.

• Line identification tool.
• Progress bar for remote downloads.
• Faster graphics.
• "Erase" button in annotations.
• Bug fixes related to log scale with negative values and IUE echelle spectrograms.

Version 2.9.1

Installed August 25, 2004.

• Enhanced spectral feature measurement tool.
• Supports gzipped FITS files.
• Better applet support.
• Bug fixes.

Version 2.9

Installed July 12, 2004.

• Spectral feature measurement tool.
• Better support for preferences file.
• User-settable look and feel.

Version 2.8.2

Installed May 19, 2004.

• Changes in the spectrogram processor user interface.
• Cursor supports "deep zoom" mode.
• Search feature implemented in help pages.
• Fixed access to JHU spectrum web services.
• Processed spectrogram can be output to file in ASCII format.
• Working directory can be initialized in startup command line.

Version 2.8.1

Installed May 11, 2004.

• Bug fixes.

Version 2.8

Installed April 28, 2004.

• Fourier low pass filter.
• Optional coadd / splice echelle and ISO data at input.
• Rest wavelengths.
• Access to jhu.pha.skyservice Web Services spectral data bank.
• Auto log mode in X axis.
• Modified top-level menus.
• Bug fixes, including the fitting misbehavior with ISO data.

Version 2.7

Installed February 05, 2004.

• Spectrogram combination (splicing, coadding).
• Support for ISO and FORS spectrograms.
• Rest wavelengths (only for SDSS data for now).
• Auto DQ filtering at input time.
• Tabular display of data arrays.
• Cursor log file.
• Optional tick marks on cross hair.
• Compact, stripped-down applet version (for special applications).

Version 2.6

Installed August 01, 2003.

• Support for COS 1-D extracted spectrograms.
• Multiple spectrogram input from lists of files.
• Displays can be saved to file and recalled back later.
• New spectral components: Lorentz and Voigt absorption profiles, seven types of interestellar reddening functions.
• Error bars are plotted for SED data.
• Plot annotations can be dragged with the mouse, and "pinned down" in either WCS or screen coordinates.
• User-selectable graphics symbols and line types.
• Wavenumber units.
• Port to Java 1.4.

Version 2.5

Installed February 25, 2003.

• FUSE support.
• ACS grism support.
• "generic" FITS table support.
• Basic plot annotation.
• Custom axis labelling.
• New format (XML) for spectral component database file.
• Active / inactive spectral components.
• Easier installation procedure.
• Fixed bug in GHRS/FOS file reader when handling single-group files.
• Other bug fixes.

Version 2.4

Installed October 21, 2002.

• SDSS support.
• Color display of multi-instrument plots, color editor.
• JDK1.3 under Solaris.
• Bug fixes.

Version 2.3

Installed August 01, 2002.

• IUE support.
• Multi-instrument DQ flags.
• Fits header display.
• Bug fixes.

Version 2.2.1

Installed March 13, 2002.

• Bug fixes.

Version 2.2

Installed January 31, 2002.

• Constrained spectral components.
• Voigt emission line profile.
• Bug fixes.

Version 2.1.2

Installed December 13, 2001.

• First release to external public; web page.
• Support code for StarView.
• Bug fixes.

Version 2.1.1

Installed August 28, 2001.

• Command line processor.
• Support for color preferences files.
• Bug fixes.

Version 2.1

Installed July 24, 2001.

• Graphics enhancements: log scaling, simple symbol support.
• Simple spectrum smoothing.
• Input from http connection.
• Port to Windows and Linux.
• Bug fixes.

Version 2.0

Installed April 2, 2001.

• 100 % Java version (no native code).
• Full STScI Archive FITS format support; text format input.
• Comprehensive model fitting.
• Hypertext based help with JavaHelp engine.
• Bug fixes.

Version 1.0

Installed January 31, 2001.

• First release for internal testing.
• Crude support for model fitting.