All Outputs (4)

The Hot Interstellar Medium of the Interacting Galaxy NGC 4490 (2010)
Journal Article
Richings, A., Fabbiano, G., Wang, J., & Roberts, T. (2010). The Hot Interstellar Medium of the Interacting Galaxy NGC 4490. Astrophysical Journal, 723(2), 1375-1392. https://doi.org/10.1088/0004-637x/723/2/1375

We present an analysis of the hot interstellar medium (ISM) in the spiral galaxy NGC 4490, which is interacting with the irregular galaxy NGC 4485, using ~100 ks of Chandra ACIS-S observations. The high angular resolution of Chandra enables us to rem... Read More about The Hot Interstellar Medium of the Interacting Galaxy NGC 4490.

A Chandra Perspective on Galaxy-wide X-ray Binary Emission and its Correlation with Star Formation Rate and Stellar Mass: New Results from Luminous Infrared Galaxies (2010)
Journal Article
Lehmer, B., Alexander, D., Bauer, F., Brandt, W., Goulding, A., Jenkins, L., …Roberts, T. (2010). A Chandra Perspective on Galaxy-wide X-ray Binary Emission and its Correlation with Star Formation Rate and Stellar Mass: New Results from Luminous Infrared Galaxies. Astrophysical Journal, 724(1), 559-571. https://doi.org/10.1088/0004-637x/724/1/559

We present new Chandra observations that complete a sample of seventeen (17) luminous infrared galaxies (LIRGs) with D < 60 Mpc and low Galactic column densities of N H <~ 5 × 1020 cm-2. The LIRGs in our sample have total infrared (8-1000 μm) luminos... Read More about A Chandra Perspective on Galaxy-wide X-ray Binary Emission and its Correlation with Star Formation Rate and Stellar Mass: New Results from Luminous Infrared Galaxies.

X-ray spectral variability in the ultraluminous X-ray source Holmberg IX X-1 (2010)
Journal Article
Vierdayanti, K., Done, C., Roberts, T., & Mineshige, S. (2010). X-ray spectral variability in the ultraluminous X-ray source Holmberg IX X-1. Monthly Notices of the Royal Astronomical Society, 403(3), 1206-1212. https://doi.org/10.1111/j.1365-2966.2009.16210.x

We use XMM–Newton and Swift data to study a spectral variability in the ultraluminous X-ray source (ULX), Holmberg IX X−1. The source luminosity varies by a factor of 3–4, giving rise to corresponding spectral changes which are significant, but subtl... Read More about X-ray spectral variability in the ultraluminous X-ray source Holmberg IX X-1.

Evidence for a Stellar Disruption by an Intermediate-mass Black Hole in an Extragalactic Globular Cluster (2010)
Journal Article
Irwin, J., Brink, T., Bregman, J., & Roberts, T. (2010). Evidence for a Stellar Disruption by an Intermediate-mass Black Hole in an Extragalactic Globular Cluster. Astrophysical Journal Letters, 712(1), L1-L4. https://doi.org/10.1088/2041-8205/712/1/l1

We report [O III] λ5007 and [N II] λ6583 emission from a globular cluster harboring the ultraluminous X-ray source CXOJ033831.8 – 352604 in the Fornax elliptical galaxy NGC 1399. No accompanying Balmer emission lines are present in the spectrum. One... Read More about Evidence for a Stellar Disruption by an Intermediate-mass Black Hole in an Extragalactic Globular Cluster.