Give Me a Few Hours: Exploring Short Timescales in Rubin Observatory Cadence Simulations

Eric C. Bellm; Colin J. Burke; Michael W. Coughlin; Igor Andreoni; Claudia M. Raiteri; Rosaria Bonito

doi:10.3847/1538-4365/ac4602

Give Me a Few Hours: Exploring Short Timescales in Rubin Observatory Cadence Simulations

Eric C. Bellm, Colin J. Burke, Michael W. Coughlin, Igor Andreoni, Claudia M. Raiteri, Rosaria Bonito

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The limiting temporal resolution of a time-domain survey in detecting transient behavior is set by the time between observations of the same sky area. We analyze the distribution of visit separations for a range of Vera C. Rubin Observatory cadence simulations. Simulations from families v1.5-v1.7.1 are strongly peaked at the 22 minute visit pair separation and provide effectively no constraint on temporal evolution within the night. This choice will necessarily prevent Rubin from discovering a wide range of astrophysical phenomena in time to trigger rapid follow-up. We present a science-agnostic metric to supplement detailed simulations of fast-evolving transients and variables and suggest potential approaches for improving the range of timescales explored.

Original language	English (US)
Article number	13
Journal	Astrophysical Journal, Supplement Series
Volume	258
Issue number	1
DOIs	https://doi.org/10.3847/1538-4365/ac4602
State	Published - Jan 2022

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© 2022. The Author(s). Published by the American Astronomical Society.

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abstract = "The limiting temporal resolution of a time-domain survey in detecting transient behavior is set by the time between observations of the same sky area. We analyze the distribution of visit separations for a range of Vera C. Rubin Observatory cadence simulations. Simulations from families v1.5-v1.7.1 are strongly peaked at the 22 minute visit pair separation and provide effectively no constraint on temporal evolution within the night. This choice will necessarily prevent Rubin from discovering a wide range of astrophysical phenomena in time to trigger rapid follow-up. We present a science-agnostic metric to supplement detailed simulations of fast-evolving transients and variables and suggest potential approaches for improving the range of timescales explored.",

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AU - Bellm, Eric C.

AU - Burke, Colin J.

AU - Coughlin, Michael W.

AU - Andreoni, Igor

AU - Raiteri, Claudia M.

AU - Bonito, Rosaria

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AB - The limiting temporal resolution of a time-domain survey in detecting transient behavior is set by the time between observations of the same sky area. We analyze the distribution of visit separations for a range of Vera C. Rubin Observatory cadence simulations. Simulations from families v1.5-v1.7.1 are strongly peaked at the 22 minute visit pair separation and provide effectively no constraint on temporal evolution within the night. This choice will necessarily prevent Rubin from discovering a wide range of astrophysical phenomena in time to trigger rapid follow-up. We present a science-agnostic metric to supplement detailed simulations of fast-evolving transients and variables and suggest potential approaches for improving the range of timescales explored.

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Give Me a Few Hours: Exploring Short Timescales in Rubin Observatory Cadence Simulations

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