منابع مشابه
The Smith Cloud: HI associated with the Sgr dwarf?
The Smith high velocity cloud (VLSR = 98 km s −1) has been observed at two locations in the emission lines [OIII]λ5007, [NII]λ6548 and Hα. Both the [NII] and Hα profiles show bright cores due to the Reynolds layer, and red wings with emission extending to VLSR ≈ 130 km s−1. This is the first simultaneous detection of two emission lines towards a high velocity cloud, allowing us to form the rati...
متن کاملAssociated Hi in Absorbers at High Redshift
WSRT observations have provided a first inventory of the incidence of H i 21 cm line absorption associated with AGN at redshifts up to z=1.0. There is a large range in line depths, from τ = 0.44 to τ ≤ 0.001, and a substantial variety of line profiles, from Gaussians of less than ten km s to more typically a few hundred km s, as well as irregular and multi-peaked absorption, sometimes spanning ...
متن کاملHomology-integrated CRISPR-Cas (HI-CRISPR) system for one-step multigene disruption in Saccharomyces cerevisiae.
One-step multiple gene disruption in the model organism Saccharomyces cerevisiae is a highly useful tool for both basic and applied research, but it remains a challenge. Here, we report a rapid, efficient, and potentially scalable strategy based on the type II Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)-CRISPR associated proteins (Cas) system to generate multiple gene dis...
متن کاملThymoma Associated with Hypergammaglobulinemia: A Case Report
Thymoma is a term that should be restricted to neoplasms of thymic epithelial cells, irrespective of the presence or the number of lymphocytes. The usual location of thymoma is the antrosuperior mediastinum; however, this tumor can also occur in other mediastinal compartments, in the neck, within the thyroid gland, in the pericardial cavity, the pulmonary hilum, within the lung parenchyma, o...
متن کاملA dwarf galaxy with a giant HI disk
We present Giant Meterwave Radio Telescope (GMRT) HI 21cm images of a nearby dwarf irregular galaxy NGC 3741 (MB ∼ −13.13) which show it to have a gas disk that extends to ∼ 8.3 times its Holmberg radius. This makes it probably the most extended gas disk known. Our observations allow us to derive the rotation curve (which is flat in the outer regions) out to ∼38 optical scale lengths. NGC 3741 ...
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ژورنال
عنوان ژورنال: International Astronomical Union Colloquium
سال: 1988
ISSN: 0252-9211
DOI: 10.1017/s025292110010243x