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Gravitational Redshift Detection from the Magnetic White Dwarf Harbored in RX J1712.6-2414
Takayuki Hayashi, Hideyuki Mori, Koji Mukai +2
Gravitational redshift is a fundamental parameter that allows us to determine the mass-to-radius ratio of compact stellar objects, such as black holes, neutron stars, and white dwa…
A broadband X-ray imaging spectroscopy in the 2030s: the FORCE mission
Koji Mori, Takeshi G. Tsuru, Kazuhiro Nakazawa +49
In this multi-messenger astronomy era, all the observational probes are improving their sensitivities and overall performance. The Focusing on Relativistic universe and Cosmic Evol…
Plasma Diagnostics of the Supernova Remnant N132D Using Deep XMM-Newton Observations with the Reflection Grating Spectrometer
Hitomi Suzuki, Hiroya Yamaguchi, Manabu Ishida +4
We present XMM-Newton observations of N132D, the X-ray brightest supernova remnant (SNR) in the Large Magellanic Cloud (LMC), using the Reflection Grating Spectrometer (RGS) that e…
Variation of mass accretion rate onto the white dwarf in the dwarf nova VW Hyi in quiescence
Nozomi Nakaniwa, Takayuki Hayashi, Mai Takeo +1
We have analysed a series of Suzaku data and one dataset of XMM-Newton of the SU UMa type dwarf nova VW Hyi in optical quiescence. The observed spectra in the 0.2-10 keV band are m…
Detection of polarized gamma-ray emission from the Crab nebula with Hitomi Soft Gamma-ray Detector
Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +191
We present the results from the Hitomi Soft Gamma-ray Detector (SGD) observation of the Crab nebula. The main part of SGD is a Compton camera, which in addition to being a spectrom…
Hitomi X-ray Observation of the Pulsar Wind Nebula G21.50.9
Hitomi Collaboration, Felix Aharonian, Hiroki Akamatsu +194
We present results from the Hitomi X-ray observation of a young composite-type supernova remnant (SNR) G21.50.9, whose emission is dominated by the pulsar wind nebula (PWN) cont…