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Products from massive-star nucleosynthesis have been measured with SPI on INTEGRAL: Characteristic gamma-ray lines from radioactive decays of long-lived 26Al and 60Fe isotopes, and from 44Ti decay (de...
The RMS Survey: Ammonia and water maser analysis of massive star forming regions
Stars: formation – Stars: early-type – ISM: molecules – ISM: radio lines
2011/10/12
The Red MSX Source (RMS) survey has identified a sample of ~1200 massive young stellar objects (MYSOs), compact and ultra compact HII regions from a sample of ~2000 MSX and 2MASS colour selected sourc...
Massive star formation around I05345+3157 -- I. The dense gas
infrared:associations: individual (IRAS05345+3157) – radio continuum:interferometric
2011/9/29
We present observations of the intermediate to massive star-forming region I05345+3157 using the molecular line tracer CS(2-1) with CARMA to reveal the properties of the dense gas cores. Seven gas cor...
Probing cluster formation under extreme conditions: massive star clusters in blue compact galaxies
galaxies: starburst - galaxies: star clusters: general - galaxies: irregular- galaxies:star formation
2011/9/27
The numerous and massive young star clusters in blue compact galaxies (BCGs) are used to investigate the properties of their hosts. We test whether BCGs follow claimed relations between cluster popula...
We present a study of the radio emission from a massive runaway star. The star forms a bow shock that is clearly observed in the infrared. We have performed VLA observations under the assumption that ...
The Massive Star Content of Circumnuclear Star Clusters in M83
ircumnuclear Star Clusters
2010/11/16
The circumnuclear starburst of M83 (NGC 5236), the nearest such example (4.6 Mpc), constitutes an ideal site for studying the massive star IMF at high metallicity (12+log[O/H]=9.1±0.2, Bresolin & Kenn...
Massive Star Formation of the Sgr A East HII Regions Near the Galactic Center
Galaxy Astrophysics (astro-ph.GA)
2011/1/4
A group of four compact HII regions associated with the well-known 50 km/s molecular cloud is the closest site of on-going star formation to the dynamical center of the Galaxy, at a projected distance...
A Catalog of CH_3OH 7_0-6_1 A^+ Maser Sources in Massive Star-Forming Regions. II. Masers in NGC 6334F, G8.67-0.36, and M17
Galaxy Astrophysics (astro-ph.GA)
2010/12/27
We present Very Large Array observations of the 7_0-6_1 A^+ methanol maser transition at 44 GHz towards NGC 6334F, G8.67-0.36, and M17. These arcsecond resolution observations complete a previous, lar...
New results from observations of massive star formation in the mid-infrared with large aperture telescopes
star formation large aperture telescopes mid-infrared
2009/7/1
New results from observations of massive star formation in the mid-infrared with large aperture telescopes。
Feedback Processes in Massive Star Formation。
Near and Mid-Infrared Images of the Massive Star-Forming Complex G 9.62 + 0.19
Mid-Infrared Images Massive Star-Forming Complex G 9.62 + 0.19
2009/6/16
Near and Mid-Infrared Images of the Massive Star-Forming Complex G 9.62 + 0.19。
Massive Star Formation Near the Supernova Remnant W30
Star Formation Supernova Remnant W30
2009/6/11
Massive Star Formation Near the Supernova Remnant W30。