Results 91 to 100 of about 2,697 (212)

Learning to See: Applying Inverse Recurrent Inference Machines to See through Refractive Scattering

open access: yesThe Astrophysical Journal
The Event Horizon Telescope (EHT) has produced horizon-resolving images of Sagittarius A* (Sgr A*). Scattering in the turbulent plasma of the interstellar medium distorts the appearance of Sgr A* on scales only marginally smaller than the fiducial ...
Arvin Kouroshnia   +4 more
doaj   +1 more source

Ultraviolet Properties of Multiphase Gas toward the Inner Galaxy

open access: yesThe Astrophysical Journal
We present a systematic study of the multiphase interstellar gas in the inner Galaxy using Hubble Space Telescope/STIS absorption spectroscopy of 16 massive stars located at spectroscopic distances between 1.3 and 10 kpc in the region −30° ≲  l  ≲ +30 ...
Frances H. Cashman   +8 more
doaj   +1 more source

First Sagittarius A* Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring

open access: yesThe Astrophysical Journal Letters
In a companion paper, we present the first spatially resolved polarized image of Sagittarius A* on event horizon scales, captured using the Event Horizon Telescope, a global very long baseline interferometric array operating at a wavelength of 1.3 mm ...
The Event Horizon Telescope Collaboration   +286 more
doaj   +1 more source

The helium problem in Sagittarius B2

open access: bronze, 1978
Eric J. Chaisson   +2 more
openalex   +1 more source

Intrinsic Size of Sagittarius A*: 72 Schwarzschild Radii [PDF]

open access: bronze, 1998
K. Y. Lo   +3 more
openalex   +1 more source

Assessing the Association between the Globular Cluster NGC 4147 and the Sagittarius Dwarf Galaxy

open access: yesThe Astronomical Journal
The potential association of the globular cluster (GC) NGC 4147 with the Sagittarius (Sgr) dwarf spheroidal galaxy has been proposed due to their comparable locations and radial velocities. However, there are still debates about this connection.
Ying-Hua Zhang   +3 more
doaj   +1 more source

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