Results 61 to 70 of about 29,479 (190)

Rebalancing open‐ness – an ethical analysis of publishing coroners’ reports online in Aotearoa

Kōtuitui: New Zealand Journal of Social Sciences Online, Volume 20, Issue 4, Page 897-916, December 2025.
ABSTRACT In line with the move towards increasing data openness in Aotearoa, the Coronial Services of New Zealand have published 20 complete coroners’ reports online, containing sensitive and identifying information. This paper considers the ethical issues that online publication of coroners’ reports raises.
Helen Deuchar, Donna Cormack, Monique Jonas   +2 more
wiley   +1 more source

Observational Evidence of Dust Evolution in Supernova Remnants: Size Redistribution toward Larger Grains in the Early Sedov Phase

The Astrophysical Journal Letters
Recent observations have revealed that dust is widespread and abundant in galaxies up to z  ≃ 8, significantly influencing their appearance and spectral properties.
He Zhao, Bingqiu Chen, Jun Li
doaj   +1 more source

Verifying reddening and extinction for Gaia DR1 TGAS main sequence stars

, 2017
We compare eight sources of reddening and extinction estimates for approximately 60,000 {\it Gaia} DR1 Tycho--Gaia Astrometric Solution (TGAS) main sequence stars younger than 3~Gyr with a relative error of the {\it Gaia} parallax less than 0.1.
Gontcharov, George, Mosenkov, Aleksandr
core   +1 more source

Active galactic nuclei at z ~ 1.5: III. Accretion discs and black hole spin [PDF]

, 2016
This is the third paper in a series describing the spectroscopic properties of a sample of 39 AGN at $z \sim 1.5$, selected to cover a large range in black hole mass ($M_{BH}$) and Eddington ratio ($L/L_{Edd}$). In this paper, we continue the analysis of
Capellupo, Daniel M., Lira, Paulina, Mejía-Restrepo, Julián, Netzer, Hagai, Trakhtenbrot, Benny   +4 more
core   +2 more sources

Data-driven Stellar Intrinsic Colors and Dust Reddenings for Spectrophotometric Data: From the Blue-edge Method to a Machine Learning Approach

The Astrophysical Journal
Intrinsic colors (ICs) of stars are essential for studies on both stellar physics and dust reddening. In this work, we developed an XGBoost model to predict ICs with the atmospheric parameters T _eff , ${\rm{log}}\,g$ , and [M/H].
He Zhao, Shu Wang, Biwei Jiang, Jun Li, Dongwei Fan, Yi Ren, Xiaoxiao Ma   +6 more
doaj   +1 more source

Effects of dust scattering albedo and 2175 A bump on ultraviolet colours of normal disc galaxies

, 2006
We discuss dust properties in the interstellar medium (ISM) of nearby normal galaxies, by comparing observations in the ultraviolet (UV) with simulations by a radiative transfer model.
Buat, Veronique, Burgarella, Denis, Iglesias-Paramo, Jorge, Inoue, Akio K., Panuzzo, Pasquale, Takeuchi, Tsutomu T.   +5 more
core   +2 more sources

JWST Imaging of the Closest Globular Clusters—VI. The Lowest‐Mass Objects in M 4 and the Galactic Bulge

Astronomische Nachrichten, Volume 346, Issue 9, November 2025.
ABSTRACT We present James Webb Space Telescope observations of M 4—the closest globular cluster—that probe the lower Main Sequence down to the hydrogen‐burning limit. The unveiled stellar sequence reaches much fainter luminosities than previously possible, revealing a few extremely red objects that are consistent with brown dwarfs as cool as Teff∼1000K$
L. R. Bedin, R. Gerasimov, A. Calamida, M. Libralato, M. Scalco, D. Nardiello, M. Griggio, D. Apai, J. Anderson, A. Bellini, A. Burgasser   +10 more
wiley   +1 more source

The Flattest Infrared Extinction Curve in Four Isolated Dense Molecular Cloud Cores

The Astrophysical Journal Letters
The extinction curve of interstellar dust in the dense molecular cloud cores is crucial for understanding dust properties, particularly size distribution and composition.
Jun Li, Bingqiu Chen, Biwei Jiang, He Zhao, Botao Jiang, Xi Chen   +5 more
doaj   +1 more source

Starburst Galaxies: Why the Calzetti Dust Extinction Law?

, 2003
The empirical reddening function for starburst galaxies generated by Calzetti and her co-workers has proven very successful, and is now used widely in the observational literature. Despite its success, however, the physical basis for this extinction law,
Buat V., Combes F., Jrg Fischera, Madau P., Michael A. Dopita, Ralph S. Sutherland, Shostak G. S., van der Kruit P. C.   +7 more
core   +2 more sources

The Stellar Content of Obscured Galactic Giant H II Regions: II. W42 [PDF]

, 2000
We present near infrared J, H, and K images and K-band spectroscopy in the giant HII region W42. A massive star cluster is revealed; the color-color plot and K-band spectroscopic morphology of two of the brighter objects suggest the presence of young ...
Blum, R. D., Conti, P. S., Damineli, A.
core   +3 more sources