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- Carnegie ObservatoriesUS567 papers
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62 papers · 1 filter
A cool, magnetic white dwarf accreting planetary debris
Stephane Vennes, Adela Kawka, Beth L. Klein +3
We present an analysis of spectroscopic data of the cool, highly magnetic and polluted white dwarf 2MASS J0916-4215. The atmosphere of the white dwarf is dominated by hydrogen, but…
Recurring Activity Discovered on Quasi-Hilda 2009 DQ118
William J. Oldroyd, Colin Orion Chandler, Chadwick A. Trujillo +10
We have discovered two epochs of activity on quasi-Hilda 2009 DQ118. Small bodies that display comet-like activity, such as active asteroids and active quasi-Hildas, are important…
A broadband pulse amplifier for Joule heating experiments in diamond anvil cells
Zachary M. Geballe, Joseph Lai, Michael J. Walter
Decades of measurements of the thermophysical properties of hot metals show that pulsed Joule heating is an effective method to heat solid and liquid metals that are chemically rea…
UV-Bright Star-Forming Clumps and Their Host Galaxies in UVCANDELS at 0.5 z 1
Alec Martin, Yicheng Guo, Xin Wang +32
Giant star-forming clumps are a prominent feature of star-forming galaxies (SFGs) and contain important clues on galaxy formation and evolution. However, basic demographics of clum…
ALMA Lensing Cluster Survey: average dust, gas, and star formation properties of cluster and field galaxies from stacking analysis
Andrea Guerrero, Neil Nagar, Kotaro Kohno +18
We develop new tools for continuum and spectral stacking of ALMA data, and apply these to the ALMA Lensing Cluster Survey (ALCS). We derive average dust masses, gas masses and star…
Chemical abundances of the young inner-disk open cluster NGC 6705 observed by APOGEE: sodium-rich and not -enhanced
V. Loaiza-Tacuri, K. Cunha, D. Souto +19
Previous results in the literature have found the young inner-disk open cluster NGC 6705 to be mildly -enhanced. We examined this possibility via an independent chemical abundan…