Results 151 to 160 of about 30,917 (231)

Scylla. I. A Pure-parallel, Multiwavelength Imaging Survey of the ULLYSES Fields in the LMC and SMC

open access: yesThe Astrophysical Journal Supplement Series
Scylla is a deep Hubble Space Telescope (HST) survey of the stellar populations, interstellar medium, and star formation in the LMC and SMC. As a pure-parallel complement to the Ultraviolet Legacy Library of Young Stars as Essential Standards (ULLYSES ...
Claire E. Murray   +19 more
doaj   +1 more source

The Samples and Binary Fractions of Red Supergiants in M31 and M33 by the HST Observations

open access: yesThe Astrophysical Journal
The binarity of red supergiants (RSGs) influences their evolution and the fate of supernovae. We investigate the binary fraction of RSGs in the Andromeda galaxy (M31) and Triangulum galaxy (M33) using photometry from the Hubble Space Telescope (HST ...
Min Dai, Shu Wang, Biwei Jiang, Ying Li
doaj   +1 more source

LensWatch. II. Improved Photometry and Time-delay Constraints on the Strongly Lensed Type Ia Supernova 2022qmx (“SN Zwicky”) with Hubble Space Telescope Template Observations

open access: yesThe Astrophysical Journal
Strongly lensed supernovae (SNe) are a rare class of transient that can offer tight cosmological constraints that are complementary to methods from other astronomical events. We present a follow-up study of one recently discovered strongly lensed SN, the
C. Larison   +36 more
doaj   +1 more source

NGC1818 unveils the origin of the extended main-sequence turn-off in young Magellanic Clouds clusters. [PDF]

open access: yesNat Commun, 2022
Cordoni G   +10 more
europepmc   +1 more source

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