Steve Heathcote
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View article: Optical/infrared observations of the extraordinary GRB 250702B: a highly obscured afterglow in a massive galaxy consistent with multiple possible progenitors
Optical/infrared observations of the extraordinary GRB 250702B: a highly obscured afterglow in a massive galaxy consistent with multiple possible progenitors Open
GRB 250702B was the longest gamma-ray burst ever detected, with a duration that challenges standard collapsar models and suggests an exotic progenitor. We collected a rich set of optical and infrared follow-up observations of its rapidly f…
View article: The Spectroscopic Stage-5 Experiment
The Spectroscopic Stage-5 Experiment Open
The existence, properties, and dynamics of the dark sectors of our universe pose fundamental challenges to our current model of physics, and large-scale astronomical surveys may be our only hope to unravel these long-standing mysteries. In…
View article: Properties of outer solar system pebbles during planetesimal formation from meteor observations
Properties of outer solar system pebbles during planetesimal formation from meteor observations Open
View article: Lifetime of cm-sized zodiacal dust from the physical and dynamical evolution of meteoroid streams
Lifetime of cm-sized zodiacal dust from the physical and dynamical evolution of meteoroid streams Open
View article: An observing campaign to search for meteoroids of Bennu at Earth
An observing campaign to search for meteoroids of Bennu at Earth Open
View article: A second Arid shower outburst in 2021
A second Arid shower outburst in 2021 Open
The predicted Arid meteor shower outburst on October 6-7, 2021, caused by Earth encountering the debris ejected by comet 15P/Finlay during its activity outbursts in 2014 and 2015, did materialize. The 2014 outburst dust was documented by C…
View article: Impact of Satellite Constellations on Optical Astronomy and Recommendations Toward Mitigations
Impact of Satellite Constellations on Optical Astronomy and Recommendations Toward Mitigations Open
In May 2019 SpaceX launched its first batch of 60 Starlink communication satellites, which surprised astronomers and laypeople with their appearance in the night sky. Astronomers have only now, a little over a year later, accumulated enoug…
View article: First Results from an Observing Campaign to Detect the Meteoroids of Bennu at Earth
First Results from an Observing Campaign to Detect the Meteoroids of Bennu at Earth Open
First results are presented from an international observing campaign to detect the meteoroids of Bennu at Earth using 200 low-light video cameras spread over 5 networks in Australia, Chile, southern Africa, and New Zealand during September…
View article: The NOAO Mid-Scale Observatories
The NOAO Mid-Scale Observatories Open
We describe present and future capabilities of the Mid-Scale Observatories (MSO) of the new national center merging NOAO, Gemini Observatory and LSST Operations. MSO is comprised of Cerro Tololo Interamerican Observatory (CTIO) and the Kit…
View article: First Large-scale Herbig–Haro Jet Driven by a Proto-brown Dwarf
First Large-scale Herbig–Haro Jet Driven by a Proto-brown Dwarf Open
We report the discovery of a new Herbig–Haro jet, HH 1165, in SOAR narrow-band imaging of the vicinity of the σ Orionis cluster. HH 1165 shows a spectacular extended and collimated spatial structure, with a projected length of 0.26 pc, a b…