Search Results - "Stetson, Peter B."

A MegaCam Survey of Outer Halo Satellites. III. Photometric and Structural Parameters by Muñoz, Ricardo R., Côté, Patrick, Santana, Felipe A., Geha, Marla, Simon, Joshua D., Oyarzún, Grecco A., Stetson, Peter B., Djorgovski, S. G.

“…Abstract We present structural parameters from a wide-field homogeneous imaging survey of Milky Way satellites carried out with the MegaCam imagers on the 3.6…”
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DAOSPEC : An Automatic Code for Measuring Equivalent Widths in High-Resolution Stellar Spectra by STETSON, Peter B, PANCINO, Elena

“…DAOSPEC is a Fortran code for measuring equivalent widths of absorption lines in stellar spectra with minimal human involvement. It works with standard…”
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Metallicity of Galactic RR Lyrae from Optical and Infrared Light Curves. I. Period–Fourier–Metallicity Relations for Fundamental-mode RR Lyrae by Mullen, Joseph P., Marengo, Massimo, Martínez-Vázquez, Clara E., Neeley, Jillian R., Bono, Giuseppe, Dall’Ora, Massimo, Chaboyer, Brian, Thévenin, Frédéric, Braga, Vittorio F., Crestani, Juliana, Fabrizio, Michele, Fiorentino, Giuliana, Gilligan, Christina K., Monelli, Matteo, Stetson, Peter B.

“…Abstract We present newly calibrated period– ϕ 31 –[Fe/H] relations for fundamental-mode RR Lyrae stars in the optical and, for the first time, mid-infrared…”
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On a New Theoretical Framework for RR Lyrae Stars. II. Mid-infrared Period-Luminosity-Metallicity Relations by Neeley, Jillian R., Marengo, Massimo, Bono, Giuseppe, Braga, Vittorio F., Dall'Ora, Massimo, Magurno, Davide, Marconi, Marcella, Trueba, Nicolas, Tognelli, Emanuele, Moroni, Pier G. Prada, Beaton, Rachael L., Freedman, Wendy L., Madore, Barry F., Monson, Andrew J., Scowcroft, Victoria, Seibert, Mark, Stetson, Peter B.

“…We present new theoretical period-luminosity-metallicity (PLZ) relations for RR Lyræ stars (RRLs) at Spitzer and WISE wavelengths. The PLZ relations were…”
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Dark halo structure in the Carina dwarf spheroidal galaxy: joint analysis of multiple stellar components by Hayashi, Kohei, Fabrizio, Michele, Łokas, Ewa L, Bono, Giuseppe, Monelli, Matteo, Dall’Ora, Massimo, Stetson, Peter B

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The impact of whaling on the ocean carbon cycle: why bigger was better by Pershing, Andrew J, Christensen, Line B, Record, Nicholas R, Sherwood, Graham D, Stetson, Peter B

“…Humans have reduced the abundance of many large marine vertebrates, including whales, large fish, and sharks, to only a small percentage of their…”
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Homogeneous photometry. IV. On the standard sequence in the globular cluster NGC 2419 by STETSON, Peter B

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A MegaCam Survey of Outer Halo Satellites. VII. A Single Sérsic Index versus Effective Radius Relation for Milky Way Outer Halo Satellites by Marchi-Lasch, Sebastián, Muñoz, Ricardo R., Santana, Felipe A., Carballo-Bello, Julio A., Chanamé, Julio, Geha, Marla, Simon, Joshua D., Stetson, Peter B., Djorgovski, S. G.

“…Abstract In this work, we use structural properties of the Milky Way’s outer halo ( R G  > 25 kpc) satellites (dwarf spheroidal galaxies, ultra-faint dwarf…”
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Chemical Compositions of Red Giant Stars in Old Large Magellanic Cloud Globular Clusters by Johnson, Jennifer A, Ivans, Inese I, Stetson, Peter B

“…We have observed 10 red giant stars in four old Large Magellanic Cloud globular clusters with the high-resolution spectrograph MIKE on the Magellan Landon Clay…”
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Homogeneous Photometry. III. A Star Catalog for the Open Cluster NGC 6791 by Stetson, Peter B., Bruntt, Hans, Grundahl, Frank

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The Discovery of Cepheids and a Distance to NGC 5128 by Ferrarese, Laura, Mould, Jeremy R, Stetson, Peter B, Tonry, John L, Blakeslee, John P, Ajhar, Edward A

“…We discuss a new distance to NGC 5128 (Centaurus A) based on Cepheid variables observed with the Hubble Space Telescope. Twelve F555W (V) and six F814W (I)…”
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The White Dwarf Cooling Sequence of the Globular Cluster Messier 4 by Hansen, Brad M. S, Brewer, James, Fahlman, Greg G, Gibson, Brad K, Ibata, Rodrigo, Limongi, Marco, Rich, R. Michael, Richer, Harvey B, Shara, Michael M, Stetson, Peter B

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UVIT –HST – GAIA view of NGC 288: a census of the hot stellar population and its properties from UV by Sahu, Snehalata, Subramaniam, Annapurni, Côté, Patrick, Rao, N Kameswara, Stetson, Peter B

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Pushing the limits of near-infrared photometry with the Gemini Multi-Conjugate Adaptive Optics System: study of crowded fields in the globular cluster M5 by Kumar, Tarun, Turri, Paolo, Venn, Kim A, Andersen, David R, Stetson, Peter B, McConnachie, Alan W, Taheri, Mojtaba

“…ABSTRACT We present the deepest J −Ks near-infrared photometry of the globular cluster M5 (NGC 5904) from observations taken with the Gemini South Adaptive…”
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Homogeneous photometry. V. The globular cluster NGC 4147 by STETSON, Peter B, CATELAN, M, SMITH, Horace A

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Homogeneous Photometry VI: Variable Stars in the Leo I Dwarf Spheroidal Galaxy by Stetson, Peter B., Fiorentino, Giuliana, Bono, Giuseppe, Bernard, Edouard J., Monelli, Matteo, Iannicola, Giacinto, Gallart, Carme, Ferraro, Ivan

“…From archival ground-based images of the Leo I dwarf spheroidal galaxy, we have identified and characterized the pulsation properties of 164 candidate RR Lyrae…”
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Homogeneous Photometry for Star Clusters and Resolved Galaxies. II. Photometric Standard Stars by Stetson, Peter B.

“…Stars appearing in CCD images obtained over 224 nights during the course of 69 observing runs have been calibrated to the Johnson/Kron‐CousinsBVRIphotometric…”
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A DECam view of the diffuse dwarf galaxy Crater II – Variable stars by Vivas, A Katherina, Walker, Alistair R, Martínez-Vázquez, Clara E, Monelli, Matteo, Bono, Giuseppe, Dorta, Antonio, Nidever, David L, Fiorentino, Giuliana, Gallart, Carme, Andreuzzi, Gloria, Braga, Vittorio F, Dall’Ora, Massimo, Olsen, Knut, Stetson, Peter B

“…ABSTRACT Time series observations of a single dithered field centred on the diffuse dwarf satellite galaxy Crater II were obtained with the Dark Energy Camera…”
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Optimal Differential Astrometry for Multiconjugate Adaptive Optics. I. Astrometric Distortion Mapping using On-sky GeMS Observations of NGC 6723 by Taheri, Mojtaba, McConnachie, Alan W., Turri, Paolo, Massari, Davide, Andersen, David, Bono, Giuseppe, Fiorentino, Giuliana, Venn, Kim, Véran, Jean-Pierre, Stetson, Peter B.

“…Abstract The Extremely Large Telescope and the Thirty Meter Telescope will use state of the art multiconjugate adaptive optics (MCAO) systems to obtain the…”
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Metallicity of Galactic RR Lyrae from Optical and Infrared Light Curves. II. Period–Fourier–Metallicity Relations for First Overtone RR Lyrae by Mullen, Joseph P., Marengo, Massimo, Martínez-Vázquez, Clara E., Bono, Giuseppe, Braga, Vittorio F., Chaboyer, Brian, Crestani, Juliana, Dall’Ora, Massimo, Fabrizio, Michele, Fiorentino, Giuliana, Monelli, Matteo, Neeley, Jillian R., Stetson, Peter B., Thévenin, Frédéric

“…Abstract We present new period- ϕ 31 -[Fe/H] relations for first-overtone RRL stars (RRc), calibrated over a broad range of metallicities (−2.5 ≲ [Fe/H] ≲ 0.0)…”
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