Search Results - "RUDY, R. J"
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The life cycle of instability features measured from the Andes Lidar Observatory over Cerro Pachon on 24 March 2012
Published in Journal of geophysical research. Atmospheres (27-07-2014)“…The Aerospace Corporation's Nightglow Imager (ANI) observes nighttime OH emission (near 1.6 μm) every 2 s over an approximate 73° field of view. ANI had…”
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Locating the Accretion Footprint on a Herbig Ae Star: MWC 480
Published in The Astrophysical journal (20-08-2010)“…Accretion is a fundamental process which establishes the dynamics of the protoplanetary disk and the final properties of the forming star. In solar-type stars,…”
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THE TRANSITIONAL STRIPPED-ENVELOPE SN 2008ax: SPECTRAL EVOLUTION AND EVIDENCE FOR LARGE ASPHERICITY
Published in The Astrophysical journal (20-09-2011)“…Supernova (SN) 2008ax in NGC 4490 was discovered within hours after shock breakout, presenting the rare opportunity to study a core-collapse SN beginning with…”
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Observations of the Breakdown of Mountain Waves Over the Andes Lidar Observatory at Cerro Pachon on 8/9 July 2012
Published in Journal of geophysical research. Atmospheres (16-01-2018)“…Although mountain waves (MWs) are thought to be a ubiquitous feature of the wintertime southern Andes stratosphere, it was not known whether these waves…”
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Maui Mesosphere and Lower Thermosphere (Maui MALT) observations of the evolution of Kelvin-Helmholtz billows formed near 86 km altitude
Published in Journal of Geophysical Research - Atmospheres (16-05-2005)“…Small‐scale (less than 15 km horizontal wavelength) structures known as ripples have been seen in OH airglow images for nearly 30 years. The structures have…”
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Characteristics of short-period wavelike features near 87 km altitude from airglow and lidar observations over Maui
Published in Journal of Geophysical Research - Atmospheres (27-08-2007)“…Small‐scale (less than 15 km horizontal wavelength) wavelike structures known as ripples are a common occurrence in OH airglow images. Recent case studies…”
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Silicate Dust in the Environment of RS Ophiuchi following the 2006 Eruption
Published in The Astrophysical journal (20-12-2007)“…We present further Spitzer Space Telescope observations of the recurrent nova RS Ophiuchi, obtained over the period 208-430 days after the 2006 eruption. The…”
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Toward Understanding the B[e] Phenomenon. II. New Galactic FS CMa Stars
Published in The Astrophysical journal (10-12-2007)“…FS CMa stars form a group of objects with the B[e] phenomenon that were previously known as unclassified B[e] stars or B[e] stars with warm dust (B[e]WD) until…”
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Post-AGB candidate IRAS 02143+5852: Cepheid-like variability, three-layer circumstellar dust envelope and spectral features
Published in Monthly notices of the Royal Astronomical Society (13-04-2024)“…ABSTRACT We present the results of multicolour UBVRCICJHK photometry, spectroscopic analysis and spectral energy distribution (SED) modelling for the post-AGB…”
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Toward Understanding the B[e] Phenomenon. VII. AS 386, a Single-lined Binary with a Candidate Black Hole Component
Published in The Astrophysical journal (01-04-2018)“…We report the results of spectroscopic and photometric observations of the emission-line object AS 386. For the first time we found that it exhibits the B[e]…”
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Infrared observations of the 2006 outburst of the recurrent nova RS Ophiuchi: the early phase
Published in Monthly notices of the Royal Astronomical Society (01-01-2007)“…We present infrared spectroscopy of the recurrent nova RS Ophiuchi, obtained 11.81, 20.75 and 55.71 d following its 2006 eruption. The spectra are dominated by…”
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Toward Understanding the B[e] Phenomenon. IX. Nature and Binarity of MWC645
Published in The Astrophysical journal (01-09-2022)“…Abstract We present the results of optical and near-IR spectroscopy and multicolor photometry of the emission-line star MWC 645, which exhibits the B[e]…”
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Spitzer and Ground-based Infrared Observations of the 2006 Eruption of RS Ophiuchi
Published in The Astrophysical journal (01-07-2007)“…We present Spitzer Space Telescope and complementary ground-based infrared observations of the recurrent nova RS Ophiuchi, obtained over the period 64-111 days…”
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Atmospheric Gravity Wave and Instability Observations From the International Space Station Using the Near InfraRed Airglow Camera (NIRAC)
Published in Journal of geophysical research. Atmospheres (16-10-2023)“…Abstract The Near Infrared Airglow Camera (NIRAC) is an imager that was deployed to the International Space Station (ISS) in May 2019. NIRAC's bandpass…”
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Confirmation of the Luminous Blue Variable Status of MWC 930
Published in Advances in astronomy (01-01-2014)“…We present spectroscopic and photometric observations of the emission-line star MWC 930 (V446 Sct) during its long-term optical brightening in 2006–2013. Based…”
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Kelvin‐Helmholtz Billow Interactions and Instabilities in the Mesosphere Over the Andes Lidar Observatory: 1. Observations
Published in Journal of geophysical research. Atmospheres (16-01-2021)“…A very high spatial resolution (∼25 m pixel at 90 km altitude) OH airglow imager was installed at the Andes Lidar Observatory on Cerro Pachón, Chile, in…”
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Early Infrared Spectral Development of V1187 Scorpii (Nova Scorpii 2004 No. 2)
Published in The Astrophysical journal (20-02-2006)“…We report on an unprecedented infrared time series of spectra of V1187 Sco, a very fast ONeMg nova. The observations covered a 56 day period (2004 August…”
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A “Boreing” Night of Observations of the Upper Mesosphere and Lower Thermosphere Over the Andes Lidar Observatory
Published in Journal of geophysical research. Atmospheres (27-10-2023)“…Abstract A very high‐spatial resolution (∼21–23 m pixel at 85 km altitude) OH airglow imager at the Andes Lidar Observatory at Cerro Pachón, Chile observed…”
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An observation of a fast external atmospheric acoustic-gravity wave
Published in Journal of Geophysical Research - Atmospheres (27-10-2002)“…In November 1999 a new near‐IR airglow imaging system was deployed at the Starfire Optical Range outside of Albuquerque, New Mexico. This system allowed wide…”
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Evolution from protoplanetary to debris discs: the transition disc around HD 166191
Published in Monthly notices of the Royal Astronomical Society (2014)“…HD 166191 has been identified by several studies as hosting a rare and extremely bright warm debris disc with an additional outer cool disc component. However,…”
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