Search Results - "Skemer, Andy"
-
1
Deep Orbital Search for Additional Planets in the HR 8799 System
Published in The Astronomical journal (01-01-2023)“…The HR 8799 system hosts four massive planets orbiting 15 and 80 au. Studies of the system's orbital stability and its outer debris disk open the possibility…”
Get full text
Journal Article -
2
Systematic Multiepoch Monitoring of LkCa 15: Dynamic Dust Structures on Solar System Scales
Published in The Astrophysical journal (01-08-2023)“…We present the highest-angular-resolution infrared monitoring of LkCa 15, a young solar analog hosting a transition disk. This system has been the subject of a…”
Get full text
Journal Article -
3
High-angular-resolution Imaging of the V892 Tau Binary System: A New Circumprimary Disk Detection and Updated Orbital Constraints
Published in The Astrophysical journal (01-12-2023)“…We present a direct imaging study of V892 Tau, a young Herbig Ae/Be star with a close-in stellar companion and circumbinary disk. Our observations consist of…”
Get full text
Journal Article -
4
Searching for Protoplanets around MWC 758 and MWC 480 in Br-γ Using Kernel Phase and SCExAO/CHARIS
Published in The Astronomical journal (01-08-2024)“…Discovering new actively accreting protoplanets is crucial to answering open questions about planet formation. However, identifying such planets at orbital…”
Get full text
Journal Article -
5
MAGELLAN ADAPTIVE OPTICS FIRST-LIGHT OBSERVATIONS OF THE EXOPLANET β PIC b. II. 3–5 μ m DIRECT IMAGING WITH MagAO+Clio, AND THE EMPIRICAL BOLOMETRIC LUMINOSITY OF A SELF-LUMINOUS GIANT PLANET
Published in The Astrophysical journal (20-12-2015)“…Young giant exoplanets are a unique laboratory for understanding cool, low-gravity atmospheres. A quintessential example is the massive extrasolar planet β Pic…”
Get full text
Journal Article -
6
L-BAND SPECTROSCOPY WITH MAGELLAN-AO/CLIO2: FIRST RESULTS ON YOUNG LOW-MASS COMPANIONS
Published in The Astrophysical journal (20-09-2016)“…L-band spectroscopy is a powerful probe of cool low-gravity atmospheres: the P, Q, and R branch fundamental transitions of methane near 3.3 μm provide a…”
Get full text
Journal Article -
7
L-BAND SPECTROSCOPY WITH MAGELLAN-AO/Clio2: FIRST RESULTS ON YOUNGLOW-MASS COMPANIONS
Published in The Astrophysical journal (21-09-2016)“…ABSTRACT L-band spectroscopy is a powerful probe of cool low-gravity atmospheres: the P, Q, and R branch fundamental transitions of methane near 3.3 m provide…”
Get full text
Journal Article -
8
W. M. Keck observatory instrumentation status and future direction
Published in Astronomische Nachrichten (01-10-2023)“…Since the start of science operations in 1993, the twin 10‐m W. M. Keck Observatory (WMKO) telescopes have continued to maximize their scientific impact and to…”
Get full text
Journal Article -
9
MAGELLAN ADAPTIVE OPTICS FIRST-LIGHT OBSERVATIONS OF THE EXOPLANET β PIC b. II. 3-5 m DIRECT IMAGING WITH MagAO+Clio, AND THE EMPIRICAL BOLOMETRIC LUMINOSITY OF A SELF-LUMINOUS GIANT PLANET
Published in The Astrophysical journal (15-12-2015)“…ABSTRACT Young giant exoplanets are a unique laboratory for understanding cool, low-gravity atmospheres. A quintessential example is the massive extrasolar…”
Get full text
Journal Article -
10
Comparing Non-Redundant Masking and Filled-Aperture Kernel Phase for Exoplanet Detection and Characterization
Published 14-01-2019“…The limitations of adaptive optics and coronagraph performance make exoplanet detection close to {\lambda}/D extremely difficult with conventional imaging…”
Get full text
Journal Article -
11
Systematic Multi-Epoch Monitoring of LkCa 15: Dynamic Dust Structures on Solar-System Scales
Published 20-07-2023“…We present the highest angular resolution infrared monitoring of LkCa 15, a young solar analog hosting a transition disk. This system has been the subject of a…”
Get full text
Journal Article -
12
High Angular Resolution Imaging of the V892 Tau Binary System: A New Circumprimary Disk Detection and Updated Orbital Constraints
Published 03-10-2023“…We present a direct imaging study of V892 Tau, a young Herbig Ae/Be star with a close-in stellar companion and circumbinary disk. Our observations consist of…”
Get full text
Journal Article -
13
Searching for Protoplanets around MWC 758 and MWC 480 in Br-$\gamma$ using Kernel Phase and SCExAO/CHARIS
Published 11-07-2024“…The Astronomical Journal (2024), 168, 70 Discovering new actively-accreting protoplanets is crucial to answering open questions about planet formation…”
Get full text
Journal Article -
14
Spectrally dispersed kernel phase interferometry with SCExAO/CHARIS: proof of concept and calibration strategies
Published 26-05-2023“…J. Astron. Telesc. Instrum. Syst. 9(2), 028004 (2023) Kernel phase interferometry (KPI) is a data processing technique that allows for the detection of…”
Get full text
Journal Article -
15
Deep orbital search for additional planets in the HR 8799 system
Published 01-11-2022“…The HR 8799 system hosts four massive planets orbiting 15 and 80 AU. Studies of the system's orbital stability and its outer debris disk open the possibility…”
Get full text
Journal Article -
16
Design of an IR Imaging Channel for the Keck Observatory SCALES Instrument
Published 15-08-2022“…A next-generation instrument named, Slicer Combined with Array of Lenslets for Exoplanet Spectroscopy (SCALES), is being planned for the W. M. Keck…”
Get full text
Journal Article -
17
The Planetary Systems Imager Adaptive Optics System: An Initial Optical Design and Performance Analysis Tools for the PSI-Red AO System
Published 07-09-2021“…The Planetary Systems Imager (PSI) is a proposed instrument for the Thirty Meter Telescope (TMT) that provides an extreme adaptive optics (AO) correction to a…”
Get full text
Journal Article -
18
Improved Constraints on the Disk Around MWC 349A from the 23-Meter LBTI
Published 15-06-2017“…We present new spatially resolved observations of MWC 349A from the Large Binocular Telescope Interferometer (LBTI), a 23-meter baseline interferometer made up…”
Get full text
Journal Article -
19
New Spatially Resolved Imaging of the SR 21 Transition Disk and Constraints on the Small-Grain Disk Geometry
Published 10-09-2019“…We present new 0.6 - 4 $\mu$m imaging of the SR 21 transition disk from Keck/NIRC2 and Magellan/MagAO. The protoplanetary disk around SR 21 has a large (~ 30 -…”
Get full text
Journal Article -
20
Detection and Bulk Properties of the HR 8799 Planets with High Resolution Spectroscopy
Published 14-07-2021“…Using the Keck Planet Imager and Characterizer (KPIC), we obtained high-resolution (R$\sim$35,000) $K$-band spectra of the four planets orbiting HR 8799. We…”
Get full text
Journal Article