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: http://www.apo.nmsu.edu/Instruments/offsets.html
Дата изменения: Thu Sep 6 11:25:36 2001 Дата индексирования: Sun Apr 10 01:52:43 2016 Кодировка: Поисковые слова: m 11 |
IRAF View
This is the orientation of the image as viewed in an image display via IRAF (e.g. ximtool, saoimage). Note: This is different from the orientation of the image as viewed on a Macintosh, via Remark. Scroll down the page for the Macintosh orientation.
A +X, +Y instrument offset will move a star in the direction indicated by the arrows. Directions of East and North are given for 0 degrees object rotation. Note: The offset direction depends upon which interface the offset command was issued in! INTERFACE: TCC MC REMARK N N N GrIm2 ----------- ----------- ----------- f/5 | ^ | | | | | | |y | | x | | x | E| <--* | E| *--> | E| *--> | | x | | y| | | y| | | | | V | | V | ----------- ----------- ----------- GrIm2 ----------- ----------- ----------- f/10, | | | ^ | | ^ | f/20 | x | | y| | | y| | E| <--* | E| *--> | E| *--> | | |y | | x | | x | | V | | | | | ----------- ----------- ----------- N N N N N N SPIcam ----------- ----------- ----------- | ^ | | | | | | y| | | x | | x | E| *--> | E| *--> | E| <--* | | x | | y| | | |y | | | | V | | V | ----------- ----------- ----------- DIS ----------- ----------- ----------- | | | ^ | | ^ | | x | | |y | | y| | E| *--> | E| *--> | E| *--> | | y| | | x | | x | | V | | | | | ----------- ----------- ----------- N N N DIS N N N slit cam ----------- ----------- ----------- | | | ^ | | ^ | | x | | |y | | |y | E| *--> | E| <--* | E| <--* | | y| | | x | | x | | V | | | | | ----------- ----------- ----------- Echelle ----------- ----------- ----------- slit cam | ^ | | | | | | y| | | x | | x | | *--> | | *--> | | <--* | | x | | y| | | |y | | | | V | | V | ----------- ----------- ----------- AOTF ----------- ----------- ----------- | | | ^ | | ^ | | x | | y| | | |y | | *--> | | *--> | | <--* | | y| | | x | | x | | V | | | | | ----------- ----------- ----------- MACINTOSH ViewThis is the orientation of the image as viewed on a Macintosh (i.e. as displayed by Remark). Note: This is different from the orientation of the image as viewed by IRAF. Scroll up the page for the IRAF orientation.
A +X, +Y instrument offset will move a star in the direction indicated by the arrows. Directions of East and North are given for 0 degrees object rotation. Note: The offset direction depends upon which interface the offset command was issued in! INTERFACE: TCC MC REMARK GrIm2 ----------- ----------- ----------- f/5 | | | ^ | | ^ | | x | | y| | | y| | E| <--* | E| *--> | E| *--> | | |y | | | | x | | V | | | | | ----------- ----------- ----------- N N N N N N GrIm2 ----------- ----------- ----------- f/10, | ^ | | | | | f/20 | |y | | x | | x | E| <--* | E| *--> | E| *--> | | x | | y| | | y| | | | | V | | V | ----------- ----------- ----------- N N N DIS ----------- ----------- ----------- | ^ | | | | | | |y | | x | | x | E| *--> | E| *--> | E| *--> | | | | |y | | y| | | | | V | | V | ----------- ----------- ----------- Echelle ----------- ----------- ----------- slit cam | | | ^ | | ^ | | x | | y| | | |y | | *--> | | *--> | | <--* | | y| | | x | | x | | V | | | | | ----------- ----------- -----------
K. Gloria - June, 1999
updated R. McMillan - September, 2001