Search Results - "Connelley, Michael"
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A Near-infrared Spectroscopic Survey of FU Orionis Objects
Published in The Astrophysical journal (10-07-2018)“…We have conducted a homogeneous near-infrared (near-IR) spectroscopic survey of 33 objects with varying degrees of similarity to FU Orionis. Common…”
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iSHELL: a 1–5 micron R = 80,000 Immersion Grating Spectrograph for the NASA Infrared Telescope Facility
Published in Publications of the Astronomical Society of the Pacific (01-01-2022)“…Abstract iSHELL is a 1.06–5.3 μ m high spectral resolution spectrograph built for the 3.2 m NASA Infrared Telescope Facility (IRTF) on Maunakea, Hawaii…”
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K-band High-resolution Spectroscopy of Embedded High-mass Protostars
Published in The Astrophysical journal (01-05-2021)“…Abstract A classical paradox in high-mass star formation is that powerful radiation pressure can halt accretion, preventing further growth of a central star…”
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Modeling the Multiwavelength Evolution of the V960 Mon System
Published in The Astrophysical journal (01-08-2023)“…Abstract We study the evolution of the FU Ori object V960 Mon since its outburst, using available multiwavelength photometric time series over 8 yr,…”
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The 2022–2023 accretion outburst of the young star V1741 Sgr
Published in Monthly notices of the Royal Astronomical Society (18-03-2024)“…ABSTRACT V1741 Sgr (= SPICY 71482/Gaia22dtk) is a Classical T Tauri star on the outskirts of the Lagoon Nebula. After at least a decade of stability, in…”
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Long Term Evolution of Surface Features on the Red Supergiant AZ Cyg
Published in The Astrophysical journal (01-10-2021)“…Abstract We present H -band interferometric observations of the red supergiant (RSG) AZ Cyg that were made with the Michigan Infra-Red Combiner (MIRC) at the…”
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THE BRIGHTENING OF Re50N: ACCRETION EVENT OR DUST CLEARING?
Published in The Astrophysical journal (20-05-2015)“…ABSTRACT The luminous Class I protostar HBC 494, embedded in the Orion A cloud, is associated with a pair of reflection nebulae, Re50 and Re50N, which appeared…”
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A Disk Shadow around the Young Star ASR 41 in NGC 1333
Published in The Astrophysical journal (20-01-2004)Get full text
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The 3.3 μm Infrared Emission Feature Profile in HD 44179
Published in The Astrophysical journal (01-11-2022)“…Abstract HD 44179 is a postasymptotic giant branch star with a biconical nebula known as the Red Rectangle. It shows the 3.3, 3.4, 6.2, 7.7, 8.6, and 11.3 μ m…”
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LkHα 225 (V1318 Cyg) South in Outburst
Published in The Astronomical journal (01-03-2022)“…Abstract Magakian et al. called attention to the current bright state of LkH α 225 South, a well-known highly embedded, intermediate-mass young stellar object…”
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THE ERUPTION OF THE CANDIDATE YOUNG STAR ASASSN-15QI
Published in The Astrophysical journal (10-11-2016)“…ABSTRACT Outbursts on young stars are usually interpreted as accretion bursts caused by instabilities in the disk or the star-disk connection. However, some…”
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A Near-IR Spectroscopic Survey of FU Orionis Objects
Published 22-06-2018“…We have conducted a homogenous near-IR spectroscopic survey of 33 objects with varying degrees of similarity to FU~Orionis. Common spectroscopic features that…”
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The binary Kuiper-belt object 1998 WW31
Published in Nature (London) (18-04-2002)“…The recent discovery of a binary asteroid during a spacecraft fly-by generated keen interest, because the orbital parameters of binaries can provide measures…”
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Is T Tauri North a 'Classical' T Tauri star?
Published 17-06-2020“…We present high-resolution $H$- and $K$-band spectroscopic observations of the archetypal T Tauri star T Tau North. Synthetic spectral modeling is used to…”
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In-lab and On-sky Closed-loop Results of Adaptive Secondary Mirrors with TNO's Hybrid Variable Reluctance Actuators
Published 15-07-2024“…We performed closed-loop lab testing of large-format deformable mirrors (DMs) with hybrid variable reluctance actuators. TNO has been developing the hybrid…”
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Design and Performance of the Upgraded Mid-InfraRed Spectrometer and Imager (MIRSI) on the NASA Infrared Telescope Facility
Published 04-09-2024“…We describe the new design and current performance of the Mid-InfraRed Spectrometer and Imager (MIRSI) on the NASA Infrared Telescope Facility (IRTF). The…”
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First laboratory and on-sky results of an adaptive secondary mirror with TNO-style actuators on the NASA Infrared Telescope Facility
Published 08-07-2024“…We are developing an adaptive secondary mirror (ASM) that uses a new actuator technology created by the Netherlands Organization for Applied Scientific…”
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Near-IR Spectroscopic Monitoring of Class I Protostars: Variability of Accretion and Wind Indicators
Published 06-12-2014“…2014 Astronomical Journal, 147, 125C We present the results of a program that monitored the near-IR spectroscopic variability of a sample of 19 embedded…”
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The 2022-2023 accretion outburst of the young star V1741 Sgr
Published 17-01-2024“…V1741 Sgr (= SPICY 71482/Gaia22dtk) is a Classical T Tauri star on the outskirts of the Lagoon Nebula. After at least a decade of stability, in mid-2022, the…”
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