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- Massachusetts Institute of TechnologyUS50 papers
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8 papers · 1 filter
Kinematics of Extremely Metal-poor Galaxies: Evidence for Stellar Feedback
A. Olmo-Garcia, J. Sanchez Almeida, C. Munoz-Tunon +5
The extremely metal-poor (XMP) galaxies analyzed in a previous paper have large star-forming regions with a metallicity lower than the rest of the galaxy. Such a chemical inhomogen…
The depletion of water during dispersal of planet-forming disk regions
A. Banzatti, K. M. Pontoppidan, C. Salyk +3
We present a new velocity-resolved survey of 2.9 m spectra of hot HO and OH gas emission from protoplanetary disks, obtained with CRIRES at the VLT ( 3 km s)…
On the origin of the near-infrared emission from the neutron-star low-mass X-ray binary GX 9+1
Maureen van den Berg, Jeroen Homan
We have determined an improved position for the luminous persistent neutron-star low-mass X-ray binary and atoll source GX 9+1 from archival Chandra X-ray Observatory data. The new…
SPIRITS 15c and SPIRITS 14buu: Two Obscured Supernovae in the Nearby Star-Forming Galaxy IC 2163
Jacob E. Jencson, Mansi M. Kasliwal, Joel Johansson +22
SPIRITS---SPitzer InfraRed Intensive Transients Survey---is an ongoing survey of nearby galaxies searching for infrared (IR) transients with Spitzer/IRAC. We present the discovery…
Ocular Shock Front in the Colliding Galaxy IC 2163
Michele Kaufman, Bruce G. Elmegreen, Curtis Struck +5
ALMA observations in the CO 1 - 0 line of the interacting galaxies IC 2163 and NGC 2207 at 2" x 1.5" resolution reveal how the encounter drives gas to pile up in narrow, ~ 1 kpc wi…
Mass measurements in protoplanetary disks from hydrogen deuteride
Melissa McClure, Ted Bergin, Ilse Cleeves +8
The total gas mass of a protoplanetary disk is a fundamental, but poorly determined, quantity. A new technique \citep{bergin+13} has been demonstrated to assess directly the bulk m…