Classified as a dwarf irregular galaxy, the SMC has a diameter of about 7,000 light-years, contains several hundred million stars, and has a total mass of approximately 7 billion solar masses. Its companion, the Small Magellanic Cloud is about 200,000 light-years away. We have observed 22 main-sequence and giant O-type stars in the SMC with the low-resolution mode of the IUE in order to study the stellar winds in a particularly metal-poor galaxy. In new simulations carried out by Lucchini, the creation of the Magellanic Stream is divided into two periods. It is part of a larger cloud of gas and dust, and its high rate of star formation may be caused by compression of interstellar gas and dust by the collision of the cloud with the interstellar medium. It may once have been a spiral. The Small Magellanic Cloud actually spans 15,000 light-years or so and contains several hundred million stars. STRUCTURE OF THE SMALL MAGELLANIC CLOUD 7 the LMC with the Hipparcos satellite (Kroupa & Bastian 1997). Recent measurements may prove that they could be moving too fast for that. Key words: dust, extinction – ISM: clouds – Magellanic Clouds 1. The ORPDM accounts for the chain-length dependent readsorption of olefins on FT sites. (2013) derived an exponent of = 2:3 for the initial mass function (IMF), which is much steeper than the canonical Salpeter exponent of = 1:35 (with The compact object is in most cases a neutron star, but can also be a black hole or a white dwarf. Its morphology, dynamics, and evo-lution are highly complex and must have been heavily influ-enced by gravitational interactions with the nearby Large Magellanic Cloud (LMC) and the Galaxy (Putman et al. While the Magellanic Clouds were still far away from the Milky Way, the Large Magellanic Cloud stripped gas away from its smaller partner over billions of years. The proper motion in equatorial longitude and in equatorial latitude is (1:23 § 0:84, ¡1:21 § 0:75) mas yr¡1 for the SMC and (1:94§0:29, ¡0:14§0:36) mas yr¡1 for the LMC. It now turns out to be an irregular with a bar across its heart. Massive galaxies like our Milky Way gain mass by absorbing smaller galaxies. They, along with the Milky Way and Andromeda Galaxy, are part of the Local Group of over 50 galaxies. An increasing number of mass- The Small Magellanic Cloud (SMC) is the only dwarf galaxy segregated young star clusters has been discovered indicating in the Local Group containing populous intermediate-age star that mass segregation already occurs in the earliest stage of life. full record; other related research; The Small Magellanic Cloud actually spans 15,000 light-years or so and contains several hundred million stars. We found eight molecular clouds (A-H) along the X-ray shell of the SNR. The Small Magellanic Cloud. It has a total mass of approximately 7 billion times the mass of the Sun. INTRODUCTION Traductions en contexte de "Small Magellanic Cloud" en anglais-français avec Reverso Context : Be stars and binaries of the Small Magellanic Cloud 01/07/2007 Its companion, the Small Magellanic Cloud is about 200,000 light-years away. Yokogawa et al. We contrast this result with the view afforded by dust emission in the Small Magel-lanic Cloud. characterizing the low-mass molecular component in the northern small magellanic cloud. They are also more metal-poor than the Milky Way. The nearby Magellanic Clouds are a prime example of an ongoing galaxy interaction process. Feb 2, 2018 - Blog about Earth and Astronomy - Scientific Pictures and News about the Universe For many years astronomers thought the Magellanic Clouds orbited the Milky Way. The areal coverage was extensive, corresponding to 11.0 kpc 2 in the LMC and 8.3 kpc 2 in the SMC. The Magellanic Clouds (or Nubeculae Magellani) are two irregular dwarf galaxies visible in the Southern Celestial Hemisphere; they are members of the Local Group and are orbiting the Milky Way galaxy.Because both show signs of a bar structure, they are often reclassified as Magellanic spiral galaxies. According to the predictions of line-driven stellar wind theory, the mass loss from luminous stars should be proportional to some power of the metallicity, yet previous studies have not shown this effect clearly. The Magellanic Clouds are irregular galaxies that share a gaseous envelope and lie about 22° apart in the sky near the south celestial pole. We constrain the relative contributions from these two ejection mechanisms in the Small Magellanic Cloud (SMC) using data for 304 field OB stars from the spatially complete Runaways and Isolated O-Type Star Spectroscopic Survey of the SMC (RIOTS4). The Small Cloud of Magellan Explanation: What is the Small Magellanic Cloud? Visible to the naked eye from the southern hemisphere, the Small Magellanic Cloud (SMC) is the smaller of the two irregular galaxies that make up the Magellanic Clouds.These two galaxies orbit the Milky Way once every 1,500 million years, and each other once every 900 million years.. It has a diameter of about 7,000 light-years and contains several hundred million stars. We obtain stellar masses and projected rotational velocities for the sample using RIOTS4 spectra, and we use transverse velocities from Gaia … The Large Magellanic cloud is a nearby galaxy once considered to be an irregular type until astronomers studied it more closely. 3. Visible to the naked eye from the southern hemisphere, the Small Magellanic Cloud (SMC) is the smaller of the two irregular galaxies that make up the Magellanic Clouds.These two galaxies orbit the Milky Way once every 1,500 million years, and each other once every 900 million years.. 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