Free Access
Table 1
Significant milestones in the development of FITS.
| Date | Milestone | Section |
|
|
||
| 1979 | Initial FITS Agreement and first interchange of files | |
| 1981 | Published original (single HDU) definition (Wells et al. 1981) | |
| 1981 | Published random groups definition (Greisen & Harten 1981) | Sect. 6 |
| 1982 | Formally endorsed by the IAU (IAU 1983) | |
| 1988 | Defined rules for multiple extensions (Grosbøl et al. 1988) | |
| 1988 | IAU FITS Working Group (IAUFWG) established | |
| 1988 | Extended to include ASCII table extensions (Harten et al. 1988) | Sect. 7.2 |
| 1988 | Formal IAU approval of ASCII tables (IAU 1988) | Sect. 7.2 |
| 1990 | Extended to include IEEE floating-point data (Wells & Grosbøl 1990) | Sect. 5.3 |
| 1994 | Extended to multiple IMAGE array extensions (Ponz et al. 1994) | Sect. 7.1 |
| 1995 | Extended to binary table extensions (Cotton et al. 1995) | Sect. 7.3 |
| 1997 | Adopted 4-digit year date format (Bunclark & Rots 1997) | Sect. 4.4.2 |
| 2002 | Adopted conventions for world coordinate systems (Greisen & Calabretta 2002) | Sect. 8 |
| 2002 | Adopted conventions for celestial coordinates (Calabretta & Greisen 2002) | Sect. 8.3 |
| 2004 | Adopted MIME types for FITS data files (Allen & Wells 2005) | App. G |
| 2005 | Extended to support variable-length arrays in binary tables | Sect. 7.3.5 |
| 2005 | Adopted conventions for spectral coordinate systems (Greisen et al. 2006) | Sect. 8.4 |
| 2005 | Extended to include 64-bit integer data type | Sect. 5.2.4 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.