Zobrazeno 1 - 10
of 380
pro vyhledávání: '"Beaton, Rachael L"'
Autor:
Park, Hye-Jin, Battisti, Andrew J., Wisnioski, Emily, Cortese, Luca, Seibert, Mark, Grasha, Kathryn, Madore, Barry F., Groves, Brent, Rich, Jeff A., Beaton, Rachael L., Chen, Qian-Hui, Mun, Marcie, McClure-Griffiths, Naomi M., de Blok, W. J. G., Kewley, Lisa J.
We present the spatially resolved relationship between the dust-to-gas mass ratio (DGR) and gas-phase metallicity (Zgas or 12+log(O/H)) (i.e., DGR-Zgas relation) of 11 nearby galaxies with a large metallicity range (1.5 dex of 12+log(O/H)) at (sub-)k
Externí odkaz:
http://arxiv.org/abs/2410.02222
Autor:
Chen, Qian-Hui, Grasha, Kathryn, Battisti, Andrew J., Wisnioski, Emily, Li, Zefeng, Park, Hye-Jin, Groves, Brent, Torrey, Paul, Mendel, Trevor, Madore, Barry F., Seibert, Mark, Sextl, Eva, Garcia, Alex M., Rich, Jeff A., Beaton, Rachael L., Kewley, Lisa J.
Most star formation in the local Universe occurs in spiral galaxies, but their origin remains an unanswered question. Various theories have been proposed to explain the development of spiral arms, each predicting different spatial distributions of th
Externí odkaz:
http://arxiv.org/abs/2409.05341
Autor:
Hasselquist, Sten, Hayes, Christian R., Griffith, Emily J., Weinberg, David, Sit, Tawny, Beaton, Rachael L., Horta, Danny
The ``2-process Model'' is a promising technique for interpreting stellar chemical abundance data from large-scale surveys (e.g., SDSS-IV/V, GALAH), enabling more quantitative empirical studies of differences in chemical enrichment history between ga
Externí odkaz:
http://arxiv.org/abs/2408.10393
Andromeda XVIII is an isolated dwarf galaxy 579 kpc away from the nearest large galaxy, M31. It is a candidate "backsplash galaxy" that might have been affected by a close passage to M31. We present new Keck/DEIMOS spectroscopy of Andromeda XVIII to
Externí odkaz:
http://arxiv.org/abs/2404.11804
Autor:
Li, Siyang, Beaton, Rachael L.
While the tip of the red giant branch (TRGB) has been used as a distance indicator since the early 1990's, its application to measure the Hubble Constant as a primary distance indicator occurred only recently. The TRGB is also currently at an interes
Externí odkaz:
http://arxiv.org/abs/2403.17048
Autor:
Warfield, Jack T., Zinn, Joel C., Schonhut-Stasik, Jessica, Johnson, James W., Pinsonneault, Marc H., Johnson, Jennifer A., Stello, Dennis, Beaton, Rachael L., Elsworth, Yvonne, García, Rafael A., Mathur, Savita, Mosser, Benoît, Serenelli, Aldo, Tayar, Jamie
We present stellar age determinations for 4661 red giant branch stars in the APO-K2 catalog, derived using mass estimates from K2 asteroseismology from the K2 Galactic Archaeology Program and elemental abundances from the Apache Point Galactic Evolut
Externí odkaz:
http://arxiv.org/abs/2403.16250
Autor:
Lee, Abigail J., Monson, Andrew J., Freedman, Wendy L., Madore, Barry F., Owens, Kayla A., Beaton, Rachael L., Espinoza, Coral, Ren, Tongtian, Ren, Yi
We present near-infrared JHK photometry for the resolved stellar populations in 13 nearby galaxies: NGC 6822, IC 1613, NGC 3109, Sextans B, Sextans A, NGC 300, NGC 55, NGC 7793, NGC 247, NGC 5253, Cen A, NGC 1313, and M83, acquired from the 6.5m Baad
Externí odkaz:
http://arxiv.org/abs/2402.18794
Autor:
Ji, Alexander P., Curtis, Sanjana, Storm, Nicholas, Chandra, Vedant, Schlaufman, Kevin C., Stassun, Keivan G., Heger, Alexander, Pignatari, Marco, Price-Whelan, Adrian M., Bergemann, Maria, Stringfellow, Guy S., Frohlich, Carla, Reggiani, Henrique, Holmbeck, Erika M., Tayar, Jamie, Shah, Shivani P., Griffith, Emily J., Laporte, Chervin F. P., Casey, Andrew R., Hawkins, Keith, Horta, Danny, Cerny, William, Thibodeaux, Pierre, Usman, Sam A., Amarante, Joao A. S., Beaton, Rachael L., Cargile, Phillip A., Chiappini, Cristina, Conroy, Charlie, Johnson, Jennifer A., Kollmeier, Juna A., Li, Haining, Loebman, Sarah, Meynet, Georges, Bizyaev, Dmitry, Brownstein, Joel R., Gupta, Pramod, Morrison, Sean, Pan, Kaike, Ramirez, Solange V., Rix, Hans-Walter, Sanchez-Gallego, Jose
Stars formed with initial mass over 50 Msun are very rare today, but they are thought to be more common in the early universe. The fates of those early, metal-poor, massive stars are highly uncertain. Most are expected to directly collapse to black h
Externí odkaz:
http://arxiv.org/abs/2401.02484
Autor:
Jones, Amy M., Beaton, Rachael L., Cherinka, Brian A., Masters, Karen L., Lucatello, Sara, Diamond-Stanic, Aleksandar M., Bird, Sarah A., Blanton, Michael R., Cunha, Katia, Farr, Emily E., Feuillet, Diane, Frinchaboy, Peter M., Hagen, Alex, Kinemuchi, Karen, Lundgren, Britt, Marinelli, Mariarosa L., Myers, Adam D., Roman-Lopes, Alexandre, Ross, Ashley J., Sanchez-Gallego, Jose R., Schmidt, Sarah J., Sobeck, Jennifer, Stassun, Keivan G., Tayar, Jamie, Vargas-Magana, Mariana, Wilson, J. C., Zasowski, Gail
The Sloan Digital Sky Survey (SDSS) is one of the largest international astronomy organizations. We present demographic data based on surveys of its members from 2014, 2015 and 2016, during the fourth phase of SDSS (SDSS-IV). We find about half of SD
Externí odkaz:
http://arxiv.org/abs/2311.08970
Autor:
Schiavon, Ricardo P., Phillips, Siân G., Myers, Natalie, Horta, Danny, Minniti, Dante, Prieto, Carlos Allende, Anguiano, Borja, Beaton, Rachael L., Beers, Timothy C., Brownstein, Joel R., Cohen, Roger E., Fernández-Trincado, José G., Frinchaboy, Peter M., Jönsson, Henrik, Kisku, Shobhit, Lane, Richard R., Majewski, Steven R., Mason, Andrew C., Mészáros, Szabolcs, Stringfellow, Guy S.
We introduce the SDSS/APOGEE Value Added Catalogue of Galactic Globular Cluster (GC) Stars. The catalogue is the result of a critical search of the APOGEE data release 17 (DR17) catalogue for candidate members of all known Galactic GCs. Candidate mem
Externí odkaz:
http://arxiv.org/abs/2310.07764