Results 121 to 130 of about 10,397 (194)

X-Ray and Infrared Analysis on a Faint Polar RX J1745.5-2905

open access: yesThe Astrophysical Journal
RX J1745.5-2905 is a faint and distant polar below the period gap. It was observed intensively in X-ray by Chandra, and its X-ray data reveal frequent brightness transitions between low and high states like we found in the prototype star AM Her.
Qishan Wang   +2 more
doaj   +1 more source

Hunt for the mHz Variability in TESS and XMM-Newton Observations of Nova-like Cataclysmic Variables

open access: yesThe Astrophysical Journal
We analysed the flickering of selected nova-like cataclysmic variables observed by the TESS satellite and XMM-Newton. We searched for break frequencies ( f _b ) in the corresponding power density spectra (PDSs), and for any long-term evolution. We find a
Andrej Dobrotka   +2 more
doaj   +1 more source

Rapid Change in the Orbital Period of the Remnant of Nova Scorpii AD 1437 (IGR J17014-4306)

open access: yesThe Astrophysical Journal
IGR J17014-4306 is the longest orbital period (12.8 hr) deep-eclipsing intermediate polar known, where a massive white dwarf (WD) accretes matter from its companion star via an accretion disk.
Lei Zang   +7 more
doaj   +1 more source

Phylogenomic Resolution of Sea Spider Diversification through Integration of Multiple Data Classes. [PDF]

open access: yesMol Biol Evol, 2021
Ballesteros JA   +23 more
europepmc   +1 more source

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