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All proposals from Brazil, Canada, France, and Taiwan
and through Opticon for Semester 2010A must use the electronic
proposal system operated by the Canadian Astronomy Data
Centre. Opticon PIs should check carefully the eligibility of
their proposal on the Opticon
The Phase One Observing Proposal SYstem
(POOPSY) is an
electronic submission system which uses a standard Web browser but is
based on LaTeX, a familiar formatting language. Consult the Users
Guide for more information.
Please note the instructions on how to properly acknowledge CFHT in refereed papers.
Some important notes:
MegaCam (Contact Jean-Charles Cuillandre (jcc -=at=- cfht.hawaii.edu) for more information)
A few guidelines for the 2010A proposals:
WIRCam (Contact Loic Albert (albert -=at=- cfht.hawaii.edu) for more information)
WIRCam is a wide field near-infrared camera using a range of narrow and wide band filters. The instrument uses a mosaic of 4 HAWAII-2RG detectors to both guide (on-chip guiding) and acquire science images with a FOV of 21'x21', with gaps of 45''. The pixel scale of 0.3'' slightly undersamples the PSF so a micro-dithering mode is available if the science project requires high spatial resolution. PIs are asked to carefully think about their observing strategy (specifically for sky subtraction) when determining their required integration time.
A few guidelines for the 2010A proposals:
NEW for 2010A! CFHT now offers a Staring Mode with WIRCam.This mode is useful for high accuracy *relative* photometry (better than 1%). Typical science goals are the study of exoplanet eclipses/transits or stellar variability of bright targets (~16 or brighter). It consists of full mosaic science exposures taken over long time sequences at a fixed telescope position (no dithering). Additionally, the telescope can be defocussed to spread the light of a bright object over many pixels, thus averaging individual pixel response errors.
If you would like to use that mode, please clearly state so in your proposal. If you have have any question about his mode, please contact Loic Albert (albert -=at=- cfht.hawaii.edu).
NEW for 2010A! NoddingPIs who plan to use nodding to make sky background measurements should plan on requesting on average 15s for each telescope slew to or from a sky position. Starting in 2010A, it is likely that PIs will be charged for such slews to sky positions, which ever way they are entered in PH2.
ESPaDOnS (Contact Nadine Manset (manset -=at=- cfht.hawaii.edu) for more information)
ESPaDOnS is a high-resolution échelle spectrograph/spectropolarimeter fiber-fed from a Cassegrain module including calibration and guiding facilities, as well as an optional polarization analyzer. This instrument offers a complete optical spectrum (from 370 to 1,050 nm) in a single exposure with a resolving power of about 68,000 (by using a slicer in a 3-slice configuration, in spectropolarimetric and 'object+sky' spectroscopic mode) and up to 80,000 (by using the slicer in a 6-slice configuration, in 'object only' spectroscopic mode). This instrument uses CFHT's EEV1 detector (previously used on Gecko).
Observers can use the following modes:
ESPaDOnS is offered in QSO mode only!
The instrument and its characteristics are described on the CFHT ESPaDOnS webpage. For a general introduction to ESPaDOnS in QSO mode, please consult this page. A detailed QSO tutorial for ESPaDOnS is also available; reading the QSO tutorial is mandatory before submitting a proposal. Note that the time requested is now in hours and not in days.
Important note for 2010A! Cross-talkPolarimetrists should be aware that the cross-talk has increased from 2.1% (Dec 2008) to 4.4% (May 2009), and that it is variable on timescales of hours (measurements taken on the same night may exhibit different levels of cross-talk). Questions and concerns should be send to the qsoteam (qsoteam -=at=- cfht.hawaii.edu).
If you have any question regarding ESPaDOnS in QSO mode, please do not hesitate to contact Nadine Manset (manset -=at=- cfht.hawaii.edu).
PUEO (Contact Olivier Lai (lai -=at=- cfht.hawaii.edu) for more information)PUEO is the CFHT Adaptive Optics Bonnette. For observations in infra-red, KIR is the detector to be used. Detailed information on performance and results are available on the KIR and the PUEO Web pages
FOCAM is no longer offered.
GriF is offered with the Fabry-Perot only.
Please check the PUEO web page for the latest news on the GrIF implementation.