Statistics
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sptz.prop40685h&link_type=abstract
Spitzer Proposal ID #40685
Statistics
Scientific paper
We propose a Target of Opportunity (ToO) program to observe eclipses of new extrasolar planets. The measured band fluxes constrain models of composition, chemistry, and atmospheric dynamics. They also provide the basic information needed for follow-on work. Since the spacecraft is nearing the end of its limited lifetime, rapid characterization is crucial. Well below Spitzer's nominal sensitivity, these measurements are challenging, and optimized observing and analysis techniques that are not obvious are required to bring in the best signal. Many Discretionary Time proposals have been approved on this topic. Our goals, achieved with our Cycle-3 ToO program and continued here, are to ensure that each bandpass is observed for every planet with good predicted S/N, to obtain the best possible observations, to make these high-impact data public for everyone to use in planning followups, and to make the process of observing exoplanets smooth for observers and Spitzer by allocating a predictable number of events for the community through the TAC process. Based on actual discovery statistics and the known quantities of survey data in hand, we confidently predict about 22 new transiting-planet announcements in the coming year. Of these, one may be bright enough to measure in six bandpasses, and several may be marginal for Spitzer. We thus request 120 hours to cover about 18 6:40-hour eclipse events in low-impact ToOs. We provide quantitative criteria for activating ToOs. Our archival product will be calibrated lightcurves, to be submitted as electronic attachments with journal articles. Transiting extrasolar planets are among the least anticipated and most productive targets for Spitzer. They are also among the most publicly stimulating. These direct measurements provide the only emission fluxes possible with current telescopes for extrasolar planets, and stand as a Spitzer legacy for posterity. The next opportunity to observe them is with JWST.
Bakos Gaspar
Deming Drake
Fischer Debra
Harrington Joseph
Seager Sara
No associations
LandOfFree
Target of Opportunity: New Transiting Exoplanets does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Target of Opportunity: New Transiting Exoplanets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Target of Opportunity: New Transiting Exoplanets will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1750123