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A Close Nuclear Black Hole Pair in the Spiral Galaxy NGC 3393
G. Fabbiano, Wang Junfeng, M. Elvis +1
The current picture of galaxy evolution advocates co-evolution of galaxies and their nuclear massive black holes (MBHs), through accretion and merging. Quasar pairs (6,000-300,000…
The Search for Low-mass Companions of B Stars in the Carina Nebula Cluster Trumpler 16
Nancy Remage Evans, Kathleen DeGioia-Eastwood, Marc Gagne +9
We have developed lists of likely B3--A0 stars (called "late B" stars) in the young cluster Trumpler 16. The following criteria were used: location within 3' of Eta Car, an appropr…
The Chandra Carina Complex Project View of Trumpler 16
Scott J. Wolk, Patrick S. Broos, Konstantin V. Getman +9
Trumpler 16 is a well--known rich star cluster containing the eruptive supergiant Carinæ and located in the Carina star-forming complex. In the context of the Chandra Carina Co…
X-ray Star Clusters in the Carina Complex
Eric D. Feigelson, Konstantin V. Getman, Leisa K. Townsley +11
The distribution of young stars found in the Chandra Carina Complex Project (CCCP) is examined for clustering structure. X-ray surveys are advantageous for identifying young stella…
A Chandra ACIS Study of the Young Star Cluster Trumpler 15 in Carina and Correlation with Near-infrared Sources
Junfeng Wang, Eric D. Feigelson, Leisa K. Townsley +10
Using the highest-resolution X-ray observation of the Trumpler 15 star cluster taken by the Chandra X-ray Observatory, we estimate the total size of its stellar population by compa…
A Deep Chandra ACIS Study of NGC 4151. III. the Line Emission and Spectral Analysis of the Ionization Cone
Junfeng Wang, Giuseppina Fabbiano, Martin Elvis +6
This paper is the third in a series in which we present deep Chandra ACIS-S imaging spectroscopy of the Seyfert 1 galaxy NGC 4151, devoted to study its complex circum-nuclear X-ray…