Results 271 to 280 of about 2,560 (288)

Radiative plasma simulations of black hole accretion flow coronae in the hard and soft states. [PDF]

Nat Commun
Nättilä J.
europepmc   +1 more source

Interstellar ices as carriers of supernova material to the early solar system. [PDF]

Nat Commun
Bizzarro M, Schiller M, Holst J, Bouvier L, Groen M, Moynier F, van Kooten EMME, Schönbächler M, Haugbølle T, Watson D, Johansen A, Connelly JN, Bizzarro E.   +12 more
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Initial Conditions of Planet Formation: Time Constraints from Small Bodies and the Lifetime of Reservoirs in the Solar Protoplanetary Disk. [PDF]

Space Sci Rev
Schönbächler M, Bouvier A, Kita NT, Kruijer TS.   +3 more
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Extended hot dust emission around the earliest massive quiescent galaxy

Ji Z, Williams C, Rieke G, Lyu J, Alberts S, Sun F, Helton J, Rieke M, Shivaei I, D'Eugenio F, Tacchella S, Robertson B, Zhu Y, Maiolino R, Bunker A, Sun Y, Willmer C.   +16 more
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Mergers of accreting stellar-mass black holes

Mergers of accreting stellar-mass black holes
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Stellar X‐ray accretion signatures

Astronomische Nachrichten, 2017
Accretion is observed in a wide range of objects with partially overlapping properties. In this paper, we focus on accretion in young stars. Material impacting the stellar surface is shock‐heated to temperatures of a few 106 K (MK), which is ideally suited for observations in the X‐ray regime.
P. C. Schneider, H. M. Günther, J. Robrade   +2 more
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Stellar Accretion and X-ray Emission

Nature, 1967
Shklovsky has suggested that the Scorpius X-ray source is a binary pair and that the X-radiation arises from the collision of material from a giant star with a neutron star. The theoretical complications of such a model are now found not to match actual measurements and it is suggested that the bremsstrahlung effect occurs between a giant star and a ...
A. G. W. CAMERON, M. MOCK
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Stellar accretion in active galactic nuclei

Monthly Notices of the Royal Astronomical Society, 1993
The Seyfert galaxy NGC 6814 is unique in showing evidence of a periodicity in its X-ray light curve, first seen in EXOSAT data and then confirmed by a Ginga observation. A further Ginga light curve of this source taken 18 months later shows that the periodic signal is still present.
A. R. King, C. Done
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