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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 ...
During the 2002 Red Nova, the star's radius may have increased up to 3,190 R ☉. [82] Pistol Star (V4647 Sagittarii) 420 [83] L/T eff: One of the most luminous stars known. La Superba (Y Canum Venaticorum) 344 [84] L/T eff: Mira (ο Ceti A) 332–402 [85] AD Prototype of the Mira variables. Orbit of Mars: 322 – 323.1 [10] [b] Reported for ...
The nearest yellow giant, together with Capella B. Errai (Gamma Cephei A) 44.98 ± 0.09 [12] K1III-IVCN1 [13] 4.74 +0.03 −0.08 [14] 1.27 +0.05 −0.07 [14] 3.21 [15] Caph (Beta Cassiopeiae) 54.7 ± 0.3 [1] F2 III [16] 3.69 × 3.43 [17] 1.91 ± 0.02 [17] 2.28 (2.25–2.31) [18] The nearest F-type giant. Menkent (Theta Centauri) 58.8 ± 0.2 [1 ...
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A 14th magnitude star situated 26" from Alpha Lupi is listed as a companion in double star catalogues. [ 16 ] This star is a proper motion member of the Upper Centaurus–Lupus sub-group in the Scorpius–Centaurus OB association , the nearest such co-moving association of massive stars to the Sun. [ 6 ] This is a gravitationally unbound ...
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.
A small bottle of rượu thuốc Rượu thuốc in Phú Quốc island. A popular type of rượu thuốc is snake wine (rượu rắn) for its placebo ability to cure multiple diseases including far sightedness, hair loss, back pain, digestive problems, fertility problems and even leprosy. [2]