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A giant star has a substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature. [1] They lie above the main sequence (luminosity class V in the Yerkes spectral classification) on the Hertzsprung–Russell diagram and correspond to luminosity classes II and III. [2]
In August 2020, the U.S. Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifampin. [62] The FDA and manufacturers are investigating the origin of these impurities in rifampin, and the agency is developing testing methods for regulators and industry to detect the 1-methyl-4-nitrosopiperazine (MNP ...
The most luminous known asymptotic giant branch star. [20] Widely recognised as being among the largest known stars. [21] NML Cygni < 1,350 +195 −229 [c] AD Surrounding dusty region is very complex making the radius hard to determine. [22] Stephenson 2 DFK 2 1,300 ± 300 [12] L/T eff: Another red supergiant, Stephenson 2 DFK 1 has an ...
Tiếng Việt; 中文; Edit links ... Pages in category "Giant stars" The following 5 pages are in this category, out of 5 total. This list may not reflect recent ...
Rifampin rapidly kills fast-dividing bacilli strains as well as "persisters" cells, which remain biologically inactive for long periods of time that allow them to evade antibiotic activity. [7] In addition, rifabutin and rifapentine have both been used against tuberculosis acquired in HIV-positive patients.
Alpha Lupi (α Lupi, α Lup), also named Uridim, [11] is a blue giant star, and the brightest star in the southern constellation of Lupus.According to the Bortle Dark-Sky Scale, its apparent visual magnitude of 2.3 [2] makes it readily visible to the naked eye even from highly light-polluted locales.
This is a list of the nearest giant stars (luminosity class III or II) to the Earth, located at a distance of up to 100 light-years (31 pc). List. Name
Isoniazid/rifampicin, also known as isoniazid/rifampin, is a medication used to treat tuberculosis. [1] It is a fixed dose combination of isoniazid and rifampicin (rifampin). [1] It is used together with other antituberculosis medication. [1] It is taken by mouth. [1] It is on the World Health Organization's List of Essential Medicines. [2]