---
name: "wcs-xy2rd"
section: "1"
platform: "linux"
package: "astrometry.net"
version: "0.97+dfsg-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/wcs-xy2rd"
---

# wcs-xy2rd(1)

Convert lists of pixel from (x,y) to (RA,Dec) positions.

## NAME

wcs-xy2rd - Convert lists of pixel from (x,y) to (RA,Dec) positions.

## SYNOPSIS

**wcs-xy2rd** \[options\] **-w** *file*

## OPTIONS

- **-w** *file*

  WCS input file

- **-e** *extension*

  FITS HDU number to read WCS from (default 0 = primary)

- **-x** *pixel* **-y** *pixel*

  Specify a single point to convert (result is printed to stdout)

- **-t**

  just use TAN projection, even if SIP extension exists.

- **-L**

  force WCSlib

- **-T**

  force WCStools

- **-s**

  print sexigesimal too

- **-i** *file*

  xyls input file

- **-o** *file*

  rdls output file

- **-f** *index*

  xyls field index (default: all)

- **-X** *name*

  X-column-name

- **-Y** *name*

  Y-column-name

- **-v**

  \+verbose

## AUTHOR

The Astrometry.net team. Principal investigators are David W. Hogg (NYU) and Dustin Lang (CMU).

## SEE ALSO

http://astrometry.net