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@ARTICLE{Shvartzvald:600606,
author = {Shvartzvald, Y. and Waxman, E. and Gal-Yam, A. and Ofek, E.
O. and Ben-Ami, S. and Berge, D. and Kowalski, Marek and
Bühler, Rolf and Worm, S. and Rhoads, J. E. and Arcavi, I.
and Maoz, D. and Polishook, D. and Stone, N. and
Trakhtenbrot, B. and Ackermann, Markus and Aharonson, O. and
Birnholtz, O. and Chelouche, D. and Guetta, D. and
Hallakoun, N. and Horesh, A. and Kushnir, D. and Mazeh, T.
and Nordin, J. and Ofir, A. and Ohm, S. and Parsons, D. and
Pe'er, A. and Perets, H. B. and Perdelwitz, V. and
Poznanski, D. and Sadeh, I. and Sagiv, I. and Shahaf, S. and
Soumagnac, M. and Tal-Or, L. and Van Santen, J. and Zackay,
B. and Guttman, O. and Rekhi, P. and Townsend, A. and
Weinstein, A. and Wold, I.},
title = {{ULTRASAT}: {A} wide-field time-domain {UV} space
telescope},
reportid = {PUBDB-2023-08030, arXiv:2304.14482},
year = {2023},
note = {40 pages, 16 figures, 3 tables. Submitted to the AAS
journals},
abstract = {The Ultraviolet Transient Astronomy Satellite (ULTRASAT) is
scheduled to be launched to geostationary orbit in 2026. It
will carry a telescope with an unprecedentedly large field
of view (204 deg$^2$) and NUV (230-290nm) sensitivity (22.5
mag, 5$\sigma$, at 900s). ULTRASAT will conduct the first
wide-field survey of transient and variable NUV sources and
will revolutionize our ability to study the hot transient
universe: It will explore a new parameter space in energy
and time-scale (months long light-curves with minutes
cadence), with an extra-Galactic volume accessible for the
discovery of transient sources that is $>$300 times larger
than that of GALEX and comparable to that of LSST. ULTRASAT
data will be transmitted to the ground in real-time, and
transient alerts will be distributed to the community in
$<$15 min, enabling a vigorous ground-based follow-up of
ULTRASAT sources. ULTRASAT will also provide an all-sky NUV
image to $>$23.5 AB mag, over 10 times deeper than the GALEX
map. Two key science goals of ULTRASAT are the study of
mergers of binaries involving neutron stars, and supernovae:
With a large fraction ($>$50\%) of the sky instantaneously
accessible, fast (minutes) slewing capability and a
field-of-view that covers the error ellipses expected from
GW detectors beyond 2025, ULTRASAT will rapidly detect the
electromagnetic emission following BNS/NS-BH mergers
identified by GW detectors, and will provide continuous NUV
light-curves of the events; ULTRASAT will provide early
(hour) detection and continuous high (minutes) cadence NUV
light curves for hundreds of core-collapse supernovae,
including for rarer supernova progenitor types.},
cin = {$Z_ICE$ / $Z_GA$},
cid = {$I:(DE-H253)Z_ICE-20210408$ / $I:(DE-H253)Z_GA-20210408$},
pnm = {613 - Matter and Radiation from the Universe (POF4-613)},
pid = {G:(DE-HGF)POF4-613},
experiment = {EXP:(DE-H253)ULTRASAT-20211201},
typ = {PUB:(DE-HGF)25},
eprint = {2304.14482},
howpublished = {arXiv:2304.14482},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:2304.14482;\%\%$},
doi = {10.3204/PUBDB-2023-08030},
url = {https://bib-pubdb1.desy.de/record/600606},
}