“Hubble Space Telescope” Science-Research, January 2022 — summary from Astrophysics Data System

Astrophysics Data System — summary generated by Brevi Assistant

Ultracool dwarf stars and brownish dwarfs supply a special probe of massive Galactic structure and evolution; nonetheless, until lately, spectroscopic examples of enough dimension, depth, and fidelity have been available. Right here, we present the recognition of 164 M7-T9 ultracool towers over in 0. 6 deg 2 of deep, low-resolution, near-infrared spectroscopic data obtained with the Hubble Space Telescope Wide Field Camera 3 instrument as component of the WFC3 Infrared Spectroscopic Parallel Survey and the 3D-HST survey. We present observations of the dwarf galaxies GALFA Dw3 and GALFA Dw4 with the Advanced Camera for Surveys on the Hubble Space Telescope. The star formation backgrounds of these 2 dwarfs have distinctive differences: Dw3 shows indicators of a recently ceased episode of active star development across the whole dwarf, while Dw4 reveals some proof of existing star formation in spatially limited H II areas. A statistical approach is used to acquire both the Sun’s range r 0 from the Galactic Center and the 3D geometry of the inner halo. The acquired scale-length ratio of the significant axis to the small axis in the plane and to the upright axis of the ellipsoid is ≈ 1:0. 8:0. 7. The PHANGS program is developing the first data collection to enable the multiphase, multiscale study of star development across the nearby spiral nebula population. With these fundamental devices of star formation, PHANGS will systematically chart the transformative cycling between gas and stars throughout a diversity of galactic environments discovered in close-by galaxies. The Faint Object Camera aboard the Hubble Space Telescope observed 26 specific active galactic cores in ultraviolet imaging polarimetry between 1990 and 2002. In this lecture note, we present our job of downloading, analyzing and lowering all the AGN HST/FOC monitorings that were accomplished using a regular, open-access and unique reduction pipeline.

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