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## 4 Table I/O

Tables can be loaded into TOPCAT using the Load Window or from the command line, or acquired from VO services, and saved using the Save Window. This section describes the file formats supported for input and output, as well as the syntax to use when specifying a table by name, either as a file/URL or using a scheme specification.

- 4.1 Table Formats

- 4.1.1 Input Formats

- 4.1.1.1 FITS
- 4.1.1.2 Column-oriented FITS
- 4.1.1.3 VOTable
- 4.1.1.4 CDF
- 4.1.1.5 CSV
- 4.1.1.6 ECSV
- 4.1.1.7 ASCII
- 4.1.1.8 IPAC
- 4.1.1.9 PDS4
- 4.1.1.10 MRT
- 4.1.1.11 Parquet
- 4.1.1.12 HAPI
- 4.1.1.13 Feather
- 4.1.1.14 GBIN
- 4.1.1.15 TST
- 4.1.1.16 World Data Center

- 4.1.2 Output Formats

- 4.1.2.1 FITS
- 4.1.2.2 VOTable
- 4.1.2.3 CSV
- 4.1.2.4 ECSV
- 4.1.2.5 ASCII
- 4.1.2.6 IPAC
- 4.1.2.7 Parquet
- 4.1.2.8 Feather
- 4.1.2.9 Text
- 4.1.2.10 HTML
- 4.1.2.11 LaTeX
- 4.1.2.12 Tab-Separated Table
- 4.1.2.13 Mirage Format

- 4.1.3 Non-standard FITS conventions

- 4.1.3.1 FITS-plus
- 4.1.3.2 Wide FITS

- 4.1.4 Custom I/O Formats

- 4.2 Input Locations
- 4.3 Input Schemes

- 4.3.1 `skysim`
- 4.3.2 `attractor`
- 4.3.3 `jdbc`
- 4.3.4 `loop`
- 4.3.5 `test`
- 4.3.6 `class`
- 4.3.7 `hapi`

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TOPCAT - Tool for OPerations on Catalogues And Tables
Starlink User Note253
TOPCAT web page: http://www.starlink.ac.uk/topcat/
Author email: m.b.taylor@bristol.ac.uk
Mailing list: topcat-user@jiscmail.ac.uk