Found 22 datasets matching "ob-star".
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For detailed statistical analysis of the X-ray emission of hot stars, stars of spectral type O and B listed in the Yale Bright Star Catalogue were selected and searched for in the ROSAT All-Sky...
Search relevance: 61.31 | Views last month: 1 -
The full stellar population of NGC 6334, one of the most spectacular regions of massive star formation in the nearby Galaxy, has not been well sampled in past studies. The authors have analyzed a...
Search relevance: 54.28 | Views last month: 3 -
An all-sky catalog of Galactic OB stars has been created by extending the Case-Hamburg Galactic Plane Luminous Stars surveys to include 5,500 additional objects drawn from the literature. This...
Search relevance: 50.83 | Views last month: 6 -
The young stellar cluster illuminating the W40 H II region, one of the nearest massive star-forming regions (SFRs), has been observed with the ACIS detector on board the Chandra X-ray Observatory....
Search relevance: 47.20 | Views last month: 0 -
This table contains the Cepheus B star formation region (the Cep B molecular cloud and the Cep OB3b OB association) Chandra X-Ray point source catalog. The Cepheus B (Cep B) molecular cloud and a...
Search relevance: 46.95 | Views last month: 1 -
30 Doradus (a.k.a. the Tarantula Nebula), with its ionizing cluster R136, is one of the few known starbursts in the Local Group. For size (~200 pc in diameter) and density of OB stars, 30 Doradus...
Search relevance: 46.30 | Views last month: 0 -
Abstract ======== The Mercury Dual Imaging System (MDIS) consists of two cameras, a Wide Angle Camera (WAC) and a Narrow Angle Camera (NAC), mounted on a common pivot platform. This dataset...
Search relevance: 41.16 | Views last month: 0 -
This table contains the list of X-ray sources detected in a high-resolution X-ray imaging study of the stellar population in the Galactic massive star-forming region RCW 49 and its central OB...
Search relevance: 40.85 | Views last month: 1 -
This table contains the point source catalog based on the first high spatial resolution X-ray study of NGC 2244, the 2 Myr old stellar cluster in the Rosette Nebula, using Chandra. Over 900 X-ray...
Search relevance: 40.84 | Views last month: 1 -
Abstract ======== The Mercury Dual Imaging System (MDIS) consists of two cameras, a Wide Angle Camera (WAC) and a Narrow Angle Camera (NAC), mounted on a common pivot platform. This dataset...
Search relevance: 40.77 | Views last month: 0 -
Abstract ======== The Mercury Dual Imaging System (MDIS) consists of two cameras, a Wide Angle Camera (WAC) and a Narrow Angle Camera (NAC), mounted on a common pivot platform. This dataset...
Search relevance: 39.91 | Views last month: 0 -
Abstract ======== The Mercury Dual Imaging System (MDIS) consists of two cameras, a Wide Angle Camera (WAC) and a Narrow Angle Camera (NAC), mounted on a common pivot platform. This dataset...
Search relevance: 39.00 | Views last month: 2 -
Circumstellar disks are expected to evolve quickly in massive young clusters harboring many OB-type stars. Two processes have been proposed to drive the disk evolution in such cruel environments:...
Search relevance: 35.01 | Views last month: 0 -
The Cepheus B (Cep B) molecular cloud and a portion of the nearby Cep OB3b OB association, one of the most active regions of star formation within 1 kpc, have been observed with the Infrared Array...
Search relevance: 34.08 | Views last month: 0 -
The aim of this study is to identify the so far unknown low mass stellar population of the ~2 Myr old Cygnus OB2 star forming region, and to investigate the X-ray and near-IR stellar properties of...
Search relevance: 32.34 | Views last month: 0 -
Mechanisms regulating the origin of X-rays in young stellar objects and the correlation with their evolutionary stage are under debate. Studies of the X-ray properties in young clusters allow us...
Search relevance: 29.56 | Views last month: 0 -
The Massive Young Star-forming complex Study in Infrared and X-ray (MYStIX) uses data from the Chandra X-Ray Observatory to identify and characterize the young stellar populations in 20 Galactic...
Search relevance: 29.53 | Views last month: 0 -
This contains some of the results from the first high spatial resolution X-ray study of the massive star-forming region NGC 6357, which were obtained in a 38 ks Chandra/ACIS observation. Inside...
Search relevance: 28.50 | Views last month: 2 -
This table contains some of the results from a Chandra ACIS observation of the stellar populations in and around the M17 H II region. The field reveals 886 sources (listed in the present table)...
Search relevance: 28.15 | Views last month: 0 -
The mysterious high Galactic latitude cometary globule CG 12 has been observed with the ACIS detector on board the Chandra X-Ray Observatory. 128 X-ray sources are detected, of which half are...
Search relevance: 26.50 | Views last month: 0
