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Showing 1–15 of 15 results

Advanced filters: Author: K. Nandra Clear advanced filters

Highly ionized gas in the nucleus of the active galaxy MCG-6-30-15

K. Nandra
K. A. Pounds
Research17 Sept 1992
Nature

Volume: 359, P: 215-216
X-ray reflection from cold matter in the nuclei of active galaxies

K. A. Pounds
K. Nandra
A. C. Fabian
Research08 Mar 1990
Nature

Volume: 344, P: 132-133
Gravitationally redshifted emission implying an accretion disk and massive black hole in the active galaxy MCG–6–30–15

Y. Tanaka
K. Nandra
M. Matsuoka
Research22 Jun 1995
Nature

Volume: 375, P: 659-661
A fast X-ray transient from a weak relativistic jet associated with a type Ic-BL supernova

The Einstein Probe has discovered a fast X-ray transient, EP240414a, associated with a broad-lined type Ic supernova. Its unusually soft spectrum and weak jet add to the diversity of stellar deaths and suggest a previously unknown Wolf–Rayet star explosion mechanism.

H. Sun
W.-X. Li
H. Zou
Research26 Jun 2025
Nature Astronomy

Volume: 9, P: 1073-1085
The origin of the cosmic X-ray background

T. Shanks
I. Georgantopoulos
R. E. Griffiths
Research26 Sept 1991
Nature

Volume: 353, P: 315-320
Soft X-ray prompt emission from the high-redshift gamma-ray burst EP240315a

The death of massive stars has traditionally been discovered by explosive events in the gamma-ray band. Liu et al. show that the sensitive wide-field monitor on board Einstein Probe can reveal a weak soft-X-ray signal much earlier than gamma rays.

Y. Liu
H. Sun
X.-X. Zuo
Research23 Jan 2025
Nature Astronomy

Volume: 9, P: 564-576
The distribution of iron in the Perseus cluster

T. J. Ponman
D. Bertram
A. P. Willmore
Research04 Oct 1990
Nature

Volume: 347, P: 450-452
Detection of large-scale X-ray bubbles in the Milky Way halo

Observations from the eROSITA telescope reveal soft-X-ray-emitting bubbles extending above and below the Galactic plane, which arose from energy injected into the Galactic halo from past activity in the Galactic centre.

P. Predehl
R. A. Sunyaev
J. Wilms
Research09 Dec 2020
Nature

Volume: 588, P: 227-231
X-ray quasi-periodic eruptions from two previously quiescent galaxies

X-ray quasi-periodic eruptions are detected from two previously inactive galaxies, with observations suggesting that the very-high-amplitude X-ray bursts may arise from an orbiting compact object.

R. Arcodia
A. Merloni
A. Schwope
ResearchOpen Access28 Apr 2021
Nature

Volume: 592, P: 704-707
Tobacco smoking and oestrogen replacement are associated with lower total and central fat in monozygotic twins

K Samarás
PJ Kelly
LV Campbell
Research27 Jan 1998
International Journal of Obesity

Volume: 22, P: 149-156
Ed's letter

Kate Quinlan
Editorial02 Feb 2018
BDJ Team

Volume: 5, P: 1
An X-ray chimney extending hundreds of parsecs above and below the Galactic Centre

Huge X-ray structures, termed Galactic Centre ‘chimneys’, extending hundreds of parsecs above and below the Galactic plane, appear to be exhaust channels connecting the Galactic Centre region to the Fermi bubbles.

G. Ponti
F. Hofmann
A. Goldwurm
Research20 Mar 2019
Nature

Volume: 567, P: 347-350
Dietary underreporting is prevalent in middleaged British women and is not related to adiposity (percentage body fat)

K Samaras
PJ Kelly
LV Campbell
Research13 Sept 1999
International Journal of Obesity

Volume: 23, P: 881-888
Non-nutritive sweeteners: no class effect on the glycaemic or appetite responses to ingested glucose

C E Bryant
L K Wasse
J T McLaughlin
Research05 Mar 2014
European Journal of Clinical Nutrition

Volume: 68, P: 629-631
Four consecutive yearly point-prevalence studies in Wales indicate lack of improvement in sepsis care on the wards

Maja Kopczynska
Harry Unwin
Judith E. Hall
ResearchOpen Access10 Aug 2021
Scientific Reports

Volume: 11, P: 1-12