The MOST Hosts Survey: Spectroscopic Observation of the Host Galaxies of ∼40,000 Transients Using DESI

Autor: Maayane T. Soumagnac, Peter Nugent, Robert A. Knop, Anna Y. Q. Ho, William Hohensee, Autumn Awbrey, Alexis Andersen, Greg Aldering, Matan Ventura, Jessica N. Aguilar, Steven Ahlen, Segev Y. Benzvi, David Brooks, Dillon Brout, Todd Claybaugh, Tamara M. Davis, Kyle Dawson, Axel de la Macorra, Arjun Dey, Biprateep Dey, Peter Doel, Kelly A. Douglass, Jaime E. Forero-Romero, Enrique Gaztañaga, Satya Gontcho A Gontcho, Or Graur, Julien Guy, ChangHoon Hahn, Klaus Honscheid, Cullan Howlett, Alex G. Kim, Theodore Kisner, Anthony Kremin, Andrew Lambert, Martin Landriau, Dustin Lang, Laurent Le Guillou, Marc Manera, Aaron Meisner, Ramon Miquel, John Moustakas, Adam D. Myers, Jundan Nie, Antonella Palmese, David Parkinson, Claire Poppett, Francisco Prada, Fei Qin, Mehdi Rezaie, Graziano Rossi, Eusebio Sanchez, David J. Schlegel, Michael Schubnell, Joseph H. Silber, Gregory Tarlé, Benjamin A. Weaver, Zhimin Zhou

Publikováno v: The Astrophysical Journal Supplement Series, Vol 275, Iss 2, p 22 (2024)

We present the Multi-Object Spectroscopy of Transient (MOST) Hosts survey. The survey is planned to run throughout the 5 yr of operation of the Dark Energy Spectroscopic Instrument (DESI) and will generate a spectroscopic catalog of the hosts of most

Externí odkaz: https://doaj.org/article/a6f6e43e8a48470286b134f6330a8181

Asteroseismology of the Nearby K Dwarf σ Draconis Using the Keck Planet Finder and TESS

Autor: Marc Hon, Daniel Huber, Yaguang Li, Travis S. Metcalfe, Timothy R. Bedding, Joel Ong, Ashley Chontos, Ryan Rubenzahl, Samuel Halverson, Rafael A. García, Hans Kjeldsen, Dennis Stello, Daniel R. Hey, Tiago Campante, Andrew W. Howard, Steven R. Gibson, Kodi Rider, Arpita Roy, Ashley D. Baker, Jerry Edelstein, Chris Smith, Benjamin J. Fulton, Josh Walawender, Max Brodheim, Matt Brown, Dwight Chan, Fei Dai, William Deich, Colby Gottschalk, Jason Grillo, Dave Hale, Grant M. Hill, Bradford Holden, Aaron Householder, Howard Isaacson, Yuzo Ishikawa, Sharon R. Jelinsky, Marc Kassis, Stephen Kaye, Russ Laher, Kyle Lanclos, Chien-Hsiu Lee, Scott Lilley, Ben McCarney, Timothy N. Miller, Joel Payne, Erik A. Petigura, Claire Poppett, Michael Raffanti, Constance Rockosi, Dale Sanford, Christian Schwab, Abby P. Shaum, Martin M. Sirk, Roger Smith, Jim Thorne, John Valliant, Adam Vandenberg, Shin Ywan Wang, Edward Wishnow, Truman Wold, Sherry Yeh, Ashley Baker, Sarbani Basu, Megan Bedell, Heather M. Cegla, Ian Crossfield, Courtney Dressing, Xavier Dumusque, Heather Knutson, Dimitri Mawet, John O’Meara, Guđmundur Stefánsson, Johanna Teske, Gautam Vasisht, Sharon Xuesong Wang, Lauren M. Weiss, Joshua N. Winn, Jason T. Wright

Publikováno v: The Astrophysical Journal, Vol 975, Iss 1, p 147 (2024)

Asteroseismology of dwarf stars cooler than the Sun is very challenging owing to the low amplitudes and rapid timescales of oscillations. Here we present the asteroseismic detection of solar-like oscillations at 4-minute timescales ( ${\nu }_{\max }\

Externí odkaz: https://doaj.org/article/0036e169dbce4f8e89dc43015f8a3fcb

The Optical Corrector for the Dark Energy Spectroscopic Instrument

Autor: Timothy N. Miller, Peter Doel, Gaston Gutierrez, Robert Besuner, David Brooks, Giuseppe Gallo, Henry Heetderks, Patrick Jelinsky, Stephen M. Kent, Michael Lampton, Michael E. Levi, Ming Liang, Aaron Meisner, Michael J. Sholl, Joseph Harry Silber, David Sprayberry, Jessica Nicole Aguilar, Axel de la Macorra, Daniel Eisenstein, Kevin Fanning, Andreu Font-Ribera, Enrique Gaztañaga, Satya Gontcho A Gontcho, Klaus Honscheid, Jorge Jimenez, Dick Joyce, Robert Kehoe, Theodore Kisner, Anthony Kremin, Martin Landriau, Laurent Le Guillou, Christophe Magneville, Paul Martini, Ramon Miquel, John Moustakas, Jundan Nie, Will Percival, Claire Poppett, Francisco Prada, Graziano Rossi, David Schlegel, Michael Schubnell, Hee-Jong Seo, Ray Sharples, Gregory Tarlé, Mariana Vargas-Magaña, Zhimin Zhou, the DESI Collaboration

Publikováno v: The Astronomical Journal, Vol 168, Iss 2, p 95 (2024)

The Dark Energy Spectroscopic Instrument (DESI) is currently measuring the spectra of 40 million galaxies and quasars, the largest such survey ever made to probe the nature of cosmological dark energy. The 4 m Mayall telescope at Kitt Peak National O

Externí odkaz: https://doaj.org/article/b3fbf7400914497ea1f219a4974ec686

PROVABGS: The Probabilistic Stellar Mass Function of the BGS One-percent Survey

Autor: ChangHoon Hahn, Jessica Nicole Aguilar, Shadab Alam, Steven Ahlen, David Brooks, Shaun Cole, Axel de la Macorra, Peter Doel, Andreu A. Font-Ribera, Jaime E. Forero-Romero, Satya Gontcho A Gontcho, Klaus Honscheid, Song Huang, Theodore Kisner, Anthony Kremin, Martin Landriau, Marc Manera, Aaron Meisner, Ramon Miquel, John Moustakas, Jundan Nie, Claire Poppett, Graziano Rossi, Amélie Saintonge, Eusebio Sanchez, Christoph Saulder, Michael Schubnell, Hee-Jong Seo, Małgorzata Siudek, Federico Speranza, Gregory Tarlé, Benjamin A. Weaver, Risa H. Wechsler, Sihan Yuan, Zhimin Zhou, Hu Zou

Publikováno v: The Astrophysical Journal, Vol 963, Iss 1, p 56 (2024)

We present the probabilistic stellar mass function (pSMF) of galaxies in the DESI Bright Galaxy Survey (BGS), observed during the One-percent Survey. The One-percent Survey was one of DESI’s survey validation programs conducted from 2021 April to M

Externí odkaz: https://doaj.org/article/a243d178fc194ca4b8b881726ab4d640

Survey Operations for the Dark Energy Spectroscopic Instrument

Autor: Edward F. Schlafly, David Kirkby, David J. Schlegel, Adam D. Myers, Anand Raichoor, Kyle Dawson, Jessica Aguilar, Carlos Allende Prieto, Stephen Bailey, Segev BenZvi, Jose Bermejo-Climent, David Brooks, Axel de la Macorra, Arjun Dey, Peter Doel, Kevin Fanning, Andreu Font-Ribera, Jaime E. Forero-Romero, Juan García-Bellido, Satya Gontcho A Gontcho, Julien Guy, ChangHoon Hahn, Klaus Honscheid, Mustapha Ishak, Stéphanie Juneau, Robert Kehoe, Theodore Kisner, Anthony Kremin, Martin Landriau, Dustin A. Lang, James Lasker, Michael E. Levi, Christophe Magneville, Christopher J. Manser, Paul Martini, Aaron M. Meisner, Ramon Miquel, John Moustakas, Jeffrey A. Newman, Jundan Nie, Nathalie. Palanque-Delabrouille, Will J. Percival, Claire Poppett, Constance Rockosi, Ashley J. Ross, Graziano Rossi, Gregory Tarlé, Benjamin A. Weaver, Christophe Yèche, Rongpu Zhou, DESI Collaboration

Publikováno v: The Astronomical Journal, Vol 166, Iss 6, p 259 (2023)

The Dark Energy Spectroscopic Instrument (DESI) survey is a spectroscopic survey of tens of millions of galaxies at 0 < z < 3.5 covering 14,000 sq. deg. of the sky. In its first 1.1 yr of survey operations, it has observed more than 14 million galaxi

Externí odkaz: https://doaj.org/article/51d2c8e17068455287e0a7467c36376b