Feature Summary
GRAS + Photometrica lets you do both image acquisition and analysis through the
browser! Some key features are:
- Schedule and
Image remotely using the GRAS science scopes in an unattended environment.
-
Control the scopes in real time, or set them up to launch scripts automatically and unattended (Launch-a-Plan)
- Images are automatically calibrated
- The images will be plate solved; as this makes identifying stars easier
- Upon completion of the image acquisition, the images will be available for analysis
in Photometrica:
- View essential information in an intuitive list
format
- All FITS header information available on a detailed level
- Stack images to increase Signal-to-Noise ratio (and thus bring out weaker stars)
- Download images for your own archive
- Or, subscribe to the
Private FTP service, which will serve as your automated archive (no need to
download anything)
- Inspect and analyse an image by clicking the object name link:
- Do aperture photometry on the CCD images
- RA/Dec is displayed as the mouse moves across the
image (provided a successfully plate solve)
- Add as many target, comp and check stars as needed
- Can be done manually, or automatically through importation of a file or from the AAVSO comparison star database (provided a successfully plate
solve)
- Inspect each measurement in detail:
- Gives about as much information about the star as
any investigator might wish to examine
- Star profile
- Photometric growth and SNR curves
- 3D-view of ADU data
- ADU data in tabular format
- Comprehensive result report
- Comparison star list that makes it possible to identify
bad comp stars
- Export to Excel or text file for further analysis
- Create AAVSO report file (extended format), ready
to be submitted
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