Mu Cancri
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Mu Cancri
Mu Cancri (μ Cancri, μ Cnc, Mu Cnc) is the name of several stars * Mu2 Cancri (10 Cancri) * Mu1 Cancri (BL Cancri, 9 Cancri) Mu Cancri also sometimes just means Mu2 Cancri. {{Set index article , astronomical objects Cancri, Mu Cancer (constellation) ...
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Mu2 Cancri
Mu2 Cancri is a solitary, yellow-hued star in the zodiac constellation of Cancer. It is visible to the naked eye with an apparent visual magnitude of +5.30. Based upon an annual parallax shift of as seen from Earth, this star is located 77 light-years from the Sun. It is drifting closer with a radial velocity of −36 km/s and will make its closest approach in about 611,100 years when it passes at a distance of . At the estimated age of 5.6 billion years, Mu2 Cancri is an evolving G-type subgiant star with a stellar classification of G2 IV. It has 1.2 times the mass of the Sun and 1.8 times the Sun's radius. Mu2 Cancri has relatively high metallicity—what astronomers term the abundance of elements other than hydrogen and helium—having a 29% higher abundance compared to the Sun. It is radiating 3.78 times the Sun's luminosity at an effective temperature of . The star is spinning at a leisurely projected rotational velocity Stellar rotation is ...
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Mu1 Cancri
Mu1 Cancri, Latinised from μ1 Cancri, is a variable star in the zodiac constellation of Cancer. The name Mu1 comes from the Bayer naming system: the "1" in the name is because (from Earth) it appears to be close to 10 Cancri, or Mu2 Cancri. It is also known by the variable star designation BL Cancri. The star is dimly visible to the naked eye with an apparent visual magnitude that ranges from 5.87 down to 6.07. Parallax measurements put it about from the Sun. At that distance, the visual magnitude is diminished by an extinction factor of 0.28. The position of the star near the ecliptic means it is subject to lunar occultations. The star Mu1 Cancri is an evolved red giant currently on the asymptotic giant branch with a stellar classification of M3 III. The lack of technetium-99 in the spectrum indicates it has not yet gone through third dredge-up. It is a slow irregular variable with thermal pulsation periods of 22.6, 37.8 and 203.7 days. The star has expanded ...
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Bayer Objects
Bayer AG (, commonly pronounced ; ) is a German multinational pharmaceutical and biotechnology company and one of the largest pharmaceutical companies in the world. Headquartered in Leverkusen, Bayer's areas of business include pharmaceuticals; consumer healthcare products, agricultural chemicals, seeds and biotechnology products. The company is a component of the Euro Stoxx 50 stock market index. Bayer was founded in 1863 in Barmen as a partnership between dye salesman Friedrich Bayer and dyer Friedrich Weskott. As was common in this era, the company was established as a dyestuffs producer. The versatility of aniline chemistry led Bayer to expand their business into other areas, and in 1899 Bayer launched the compound acetylsalicylic acid under the trademarked name Aspirin. In 1904 Bayer received a trademark for the "Bayer Cross" logo, which was subsequently stamped onto each aspirin tablet, creating an iconic product that is still sold by Bayer. Other commonly known produ ...
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