Difference: ZtfExperiments (10 vs. 11)

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ZTF Experiments

For 2024 ZTF is undertaking a series of monthly Experiments. These are 3-night projects exploring new scientific/technical areas with changes to the standard observing procedure. All of the alerts will be made public. Changes to cadence, field selection, integration time, filter choice are all possible.

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    • Many transients, hard to filter
    • Plan to do some classification using photometry only, plus galaxy associations
    • Lack of proper planning (lack of i-band processing, lack of PS1 references) slowed things down. Can do better.
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  • 2024 May 5 - 7: the Nightly-cadence Three-filter Bright Transient Survey

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  • 2024 May 5 - 7: the Nightly-cadence Three-filter Bright Transient Survey
 
    • Nightly-cadence, three-filter survey of 10,450 square degrees of extragalactic sky.
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  • 2024 July 4-6: Extended Deep Drilling
    • 3 fields in galactic plane observed continuously for entire night in r-band with 30-s exposures
    • July 4 field 539
    • July 5 field 1637
    • July 6 field 540
    • light curves have been run on all fields, period searches are ongoing
 
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  • 2024 September 21 - 23: the Nightly-cadence Three-filter Bright Transient Survey
    • Nightly-cadence, three-filter survey of 12,000 square degrees of extragalactic sky.
    • 60 seconds in the g, r, and i-bands
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    • During the September experiment, we were able to conduct extensive spectroscopic follow-up. The campaign reached a classification completeness of 95% and spectroscopic completeness of 97.6%.

Call for Experiments

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The ZTF Scientific Steering Committee invites proposals for monthly ZTF Experiments starting in 2024 February. These Experiments should explore one or more novel aspects of ZTF scientific/technical capabilities that are different from routine operations. Changes to cadence, field selection, integration time, filter choice are all possible. All alerts will be public. An example of a past experiment is available at AstroNote 2023-349.

Experiments will be run for 3 consecutive nights each month to minimize disruption to the MSIP survey plans. Proposals could be for up to 3 nights: shorter proposals may be grouped together.

The proposal should be at most 1 page with requirements for:

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The ZTF Scientific Steering Committee invites proposals for monthly ZTF Experiments starting in 2024 February. These Experiments should explore one or more novel aspects of ZTF scientific/technical capabilities that are different from routine operations. Changes to cadence, field selection, integration time, filter choice are all possible. All alerts will be public. An example of a past experiment is available at AstroNote 2023-349.

Experiments will be run for 3 consecutive nights each month to minimize disruption to the MSIP survey plans. Proposals could be for up to 3 nights: shorter proposals may be grouped together.

The proposal should be at most 1 page with requirements for:

 
  • Science Motivation
  • Field selection
  • Cadence (minimum, maximum)
  • Filter choice
  • Exposure time
  • Moon phase and/or date
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Coordination with other facilities can also be noted if that is important (e.g., simultaneous spectroscopic time, or some other survey). The Experiment observations may be shifted to an appropriate weather window: if this is problematic that should be noted. If there are questions about schedulability of the desired plan this can be discussed in advance with Eric Bellm ( ecbellm@uw.edu), or it can be discussed after initial selection.

We expect to make the ZTF collaboration (via email and slack) and the wider community (via an AstroNote or similar) aware of upcoming experiments so that they can plan accordingly. Any special plans/requirements for community notification can be discussed.

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Coordination with other facilities can also be noted if that is important (e.g., simultaneous spectroscopic time, or some other survey). The Experiment observations may be shifted to an appropriate weather window: if this is problematic that should be noted. If there are questions about schedulability of the desired plan this can be discussed in advance with Eric Bellm ( ecbellm@uw.edu), or it can be discussed after initial selection.

We expect to make the ZTF collaboration (via email and slack) and the wider community (via an AstroNote or similar) aware of upcoming experiments so that they can plan accordingly. Any special plans/requirements for community notification can be discussed.

  The first new Experiment will be in 2024 February. We invite proposals due January 19, 2024. Submissions can be sent from a Scientific Working Group or from a smaller group of people. Submissions should be sent via email to David Kaplan ( kaplan@uwm.edu). Additional calls for proposals may be issued depending on the range of submissions. Questions should be directed to David Kaplan ( kaplan@uwm.edu) and Mansi Kasliwal ( mansi@astro.caltech.edu).
 
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