We report the discovery of a candidate galaxy with a photo-z of z ~ 12 in the first epoch of the James Webb Space Telescope (JWST) Cosmic Evolution Early...
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PublicationA Long Time Ago in a Galaxy Far, Far Away: A Candidate z 12 Galaxy in Early JWST CEERS Imaging
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PublicationA Mass Model for the Lensing Cluster SDSS J1004+4112: Constraints from the Third Time Delay
We have built a new model for the lens system SDSS J1004+4112 including the recently measured time delay of the fourth quasar image. This time delay has a...
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PublicationA Massive Cluster of Red Supergiants at the Base of the Scutum-Crux Arm
We report on the unprecedented red supergiant (RSG) population of a massive young cluster, located at the base of the Scutum-Crux Galactic arm. We identify...
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PublicationA Methane, Isolated, Planetary-Mass Object in Orion
We report on the discovery of a free-floating methane dwarf toward the direction of the young star cluster σ Ori. Based on the object's far-red, optical, and...
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PublicationA Misfired Outburst in the Neutron Star X-Ray Binary Centaurus X-4
We report on a long-term optical monitoring of the neutron star X-ray binary Centaurus X-4 performed during the last 13.5 yr. This source has been in quiescence...
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PublicationA Morphological Type Dependence in the μ0-log h Plane of Spiral Galaxy Disks
We present observational evidence for a galaxy ``type'' dependence to the location of a spiral galaxy's disk parameters in the μ0-logh plane. With a sample of...
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PublicationA Multi-epoch, Multiwavelength Study of the Classical FUor V1515 Cyg Approaching Quiescence
Historically, FU Orionis-type stars are low-mass, pre-main-sequence stars. The members of this class experience powerful accretion outbursts and remain in an...
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PublicationA Multiwavelength Radial Velocity Search for Planets around the Brown Dwarf LP 944-20
The nearby brown dwarf LP 944-20 has been monitored for radial velocity variability at optical and near-infrared wavelengths using the VLT/UVES and the Keck...
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PublicationA Multiwavelength Study of GRS 1716-249 in Outburst: Constraints on Its System Parameters
We present a detailed study of the evolution of the Galactic black hole transient GRS 1716-249 during its 2016-2017 outburst at optical (Las Cumbres Observatory...