Results 281 to 290 of about 883,811 (388)

Magnetar emergence in a peculiar gamma-ray burst from a compact star merger. [PDF]

open access: yesNatl Sci Rev
Sun H   +44 more
europepmc   +1 more source

Imaging of electric-field-induced domain structure in DyMnO 3 nanocrystals. [PDF]

open access: yesDiscov Nano
Najeeb MA   +6 more
europepmc   +1 more source

The Slow‐Rotating Nucleus of Comet C/2013 R1 (Lovejoy)

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT The close approach of comet C/2013 R1 (Lovejoy) allowed us to conduct an in‐depth study of the morphology of the inner coma. From the measurement of the dust emission structures expanding near the cometary nucleus in November–December 2013, we derived a slow rotation period of 47.8±1.2$$ 47.8\pm 1.2 $$ h.
Federico Manzini   +12 more
wiley   +1 more source

Multiwavelength constraints on the origin of a nearby repeating fast radio burst source in a globular cluster. [PDF]

open access: yesNat Astron
Pearlman AB   +28 more
europepmc   +1 more source

Redshift‐Agnostic Machine Learning Classification: Unveiling Peak Performance in Galaxy, Star, and Quasar Classification (Using SDSS DR17)

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT Classification of galaxies, stars, and quasars using spectral data is fundamental to astronomy, but often relies heavily on redshift. This study evaluates the performance of 10 machine learning algorithms on SDSS data to classify these objects, with a particular focus on scenarios where redshift information is unavailable.
Debashis Chatterjee, Prithwish Ghosh
wiley   +1 more source

A luminous and young galaxy at z = 12.33 revealed by a JWST/MIRI detection of Hα and [O iii]. [PDF]

open access: yesNat Astron
Zavala JA   +39 more
europepmc   +1 more source

Isolated Neutron Stars as Science Validation for XMM2ATHENA: Ensuring Robust Data for Future X‐Ray Astronomy

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT The discovery of radio‐quiet, x‐ray thermally emitting isolated neutron stars (XINSs) in the ROSAT All‐Sky Survey revealed a previously overlooked component of the neutron star population. Advancements in x‐ray instrumentation and the availability of deep, wide‐area optical surveys now enable us to explore XINSs at fainter x‐ray fluxes and ...
Adriana Mancini Pires   +11 more
wiley   +1 more source

Stellar Physics and General Relativity

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT The general theory of relativity is currently established as the most precise theory of gravity supported by observations, and its application is diverse ranging from astronomy to cosmology, while its application to astrophysics has been restricted only to compact stars due to the assumption that the Newtonian approximation is sufficient for ...
Shuichi Yokoyama
wiley   +1 more source

Self-citation pattern among world's top 2 % of the scientists. [PDF]

open access: yesHeliyon
Abdalla BA   +14 more
europepmc   +1 more source

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