Year: 2023
Type: preprint
Abstract: The All-Sky Automated Survey for Supernovae (ASAS-SN) began observing in late-2011 and has been imaging the entire sky with nightly cadence since late 2017. A core goal of ASAS-SN is to release as much useful data as possible to the community. Working towards this goal, in 2017 the first ASAS-SN Sky Patrol was established as a tool for the community to obtain light curves from our data with no preselection of targets. Then, in 2020 we released static V-band photometry from 2013--2018 for 61 million sources. Here we describe the next generation ASAS-SN Sky Patrol, Version 2.0, which represents a major progression of this effort. Sky Patrol 2.0 provides continuously updated light curves for 111 million targets derived from numerous external catalogs of stars, galaxies, and solar system objects. We are generally able to serve photometry data within an hour of observation. Moreover, with a novel database architecture, the catalogs and light curves can be queried at unparalleled speed, returning thousands of light curves within seconds. Light curves can be accessed through a web interface (http://asas-sn.ifa.hawaii.edu/skypatrol/) or a Python client (https://asas-sn.ifa.hawaii.edu/documentation). The Python client can be used to retrieve up to 1 million light curves, generally limited only by bandwidth. This paper gives an updated overview of our survey, introduces the new Sky Patrol, and describes its system architecture. These results provide significant new capabilities to the community for pursuing multi-messenger and time-domain astronomy.
Source: arXiv (Cornell University)
Language: English
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
Funders: National Science Foundation, U.S. Department of Energy, National Aeronautics and Space Administration, Alfred P. Sloan Foundation, Gordon and Betty Moore Foundation, Ohio State University, Villum Fonden, Space Telescope Science Institute, Chinese Academy of Sciences South America Center for Astronomy, National Research Foundation, Danmarks Grundforskningsfond, Chinese Academy of Sciences, Nuclear Safety and Security Commission, University of California, Santa Barbara, Center for Cosmology and Astroparticle Physics, Ohio State University, Kavli Institute for Theoretical Physics, University of California, Santa Barbara
Awards: A Complete Census of the Deaths of Massive Stars, G1672945522, All-Sky Automated Survey for Supernovae, G2115894122, G2500807902, CAREER: An Observational and Numerical Study of Multi-scale Transport and Mixing Processes in the Convective Boundary Layer over Mountains, G3143225424, G3146311918, G3602427681, G3714824817, G4039784666, Hawaii Supernova Flows, G433322167, G5261598906, A Search For Failed Supernovae and Other Observational Constraints on the Supernova Mechanism, G5615278368, G58316358, New Frontiers in Nuclear Astrophysics, G6273510985, MRI: Development of a Robotic University of Hawaii 88" Telescope (Robo88): A new tool for large surveys, rapid transient classification, and multimessenger astronomy, DOE COMPUTATIONAL SCIENCE GRADUATE FELLOWSHIP (CSGF) GRANT 2019 COHORT, G7061629469, G7236595668, G7919115746, All Sky Automated Network, Kavli Institute for Theoretical Physics, G985207216
OpenAlex ID: W4364378336