Results 161 to 170 of about 493,128 (267)

Composite Accretion Disk and White Dwarf Photosphere Analyses of the FUSE and HST Observations of EY Cygni

, 2004
We explore the origin of FUSE and HST STIS far UV spectra of the dwarf nova, EY Cyg, during its quiescence using \emph{combined} high gravity photosphere and accretion disk models as well as model accretion belts.
Boris T. Gänsicke, Costero R., Dulude M., Edward M. Sion, Gaghik H. Tovmassian, Joel A. Urban, Johnson J. J., Lisa Winter, M. Orio, Sergei Zharikov, Smith R. C., Winter L. M.   +11 more
core   +2 more sources

A helium-burning white dwarf binary as a supersoft X-ray source. [PDF]

Nature, 2023
Greiner J, Maitra C, Haberl F, Willer R, Burgess JM, Langer N, Bodensteiner J, Buckley DAH, Monageng IM, Udalski A, Ritter H, Werner K, Maggi P, Jayaraman R, Vanderspek R.   +14 more
europepmc   +1 more source

A radio-detected type Ia supernova with helium-rich circumstellar material. [PDF]

Nature, 2023
Kool EC, Johansson J, Sollerman J, Moldón J, Moriya TJ, Mattila S, Schulze S, Chomiuk L, Pérez-Torres M, Harris C, Lundqvist P, Graham M, Yang S, Perley DA, Strotjohann NL, Fremling C, Gal-Yam A, Lezmy J, Maguire K, Omand C, Smith M, Andreoni I, Bellm EC, Bloom JS, De K, Groom SL, Kasliwal MM, Masci FJ, Medford MS, Park S, Purdum J, Reynolds TM, Riddle R, Robert E, Ryder SD, Sharma Y, Stern D.   +36 more
europepmc   +1 more source

A 70 pc Diameter Nova Superremnant Surrounding the Recurrent Nova RS Ophiuchi

The Astronomical Journal
Recurrent novae undergo thermonuclear-powered eruptions separated by less than 100 yr, enabled by subgiant or red giant donors transferring hydrogen-rich matter at very high rates onto their massive white dwarf companions.
Michael M. Shara, Kenneth M. Lanzetta, Alexandra Masegian, James T. Garland, Stefan Gromoll, Alexei Kniazev, Lee Townsend, David Zurek, Joanna Mikolajewska, David Valls-Gabaud, Frederick M. Walter, John K. Webb   +11 more
doaj   +1 more source

Discovery and Detailed Study of the M31 Classical Nova AT 2023tkw: Evidence for Internal Shocks

The Astrophysical Journal
We present a detailed analysis of an extragalactic slow classical nova in M31 exhibiting multiple peaks in its light curve. Spectroscopic and photometric observations were used to investigate the underlying physical processes.
Judhajeet Basu, Ravi Kumar, G.C. Anupama, Sudhanshu Barway, Peter H. Hauschildt, Shatakshi Chamoli, Vishwajeet Swain, Varun Bhalero, Viraj Karambelkar, Mansi Kasliwal, Kaustav K. Das, Igor Andreoni, Avinash Singh, Rishabh Singh Teja   +13 more
doaj   +1 more source

Millinovae: A New Class of Transient Supersoft X-Ray Sources without a Classical Nova Eruption

The Astrophysical Journal Letters
Some accreting binary systems containing a white dwarf (such as classical novae or persistent supersoft sources) are seen to emit low-energy X-rays with temperatures of  ∼ 10 ^6 K and luminosities exceeding 10 ^35 erg s ^−1 .
Przemek Mróz, Krzysztof Król, Hélène Szegedi, Philip Charles, Kim L. Page, Andrzej Udalski, David A. H. Buckley, Gulab Dewangan, Pieter Meintjes, Michał K. Szymański, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Radosław Poleski, Jan Skowron, Krzysztof Ulaczyk, Mariusz Gromadzki, Krzysztof Rybicki, Patryk Iwanek, Marcin Wrona, Mateusz J. Mróz   +20 more
doaj   +1 more source

Hubble COS Spectroscopy of the Dwarf Nova CW Mon: The White Dwarf in Quiescence? [PDF]

Astron J, 2017
Hause C, Sion EM, Godon P, Boris TG, Szkody P, de Martino D, Pala A.   +6 more
europepmc   +1 more source

ICTV Virus Taxonomy Profile: <i>Spinareoviridae</i> 2022. [PDF]

J Gen Virol, 2022
Matthijnssens J, Attoui H, Bányai K, Brussaard CPD, Danthi P, Del Vas M, Dermody TS, Duncan R, Fāng Q, Johne R, Mertens PPC, Mohd Jaafar F, Patton JT, Sasaya T, Suzuki N, Wei T.   +15 more
europepmc   +1 more source

Global Frequency Analyses of Canine Progressive Rod-Cone Degeneration-Progressive Retinal Atrophy and Collie Eye Anomaly Using Commercial Genetic Testing Data. [PDF]

Genes (Basel), 2023
Clark JA, Anderson H, Donner J, Pearce-Kelling S, Ekenstedt KJ.   +4 more
europepmc   +1 more source

The Unique Helium Nova V445 Puppis Ejected ≫0.001 M⊙ in the Year 2000 and Will Not Become a Type Ia Supernova

The Astrophysical Journal
V445 Puppis (Nova Puppis 2000) is the only known example of a helium nova, where a layer of helium-rich gas accretes onto the surface of a white dwarf (WD) in a cataclysmic variable, with runaway helium burning making for the nova event. Speculatively, a
Bradley E. Schaefer
doaj   +1 more source