Turbulent gas-rich discs at high redshift: origin of thick stellar discs through 3D 'baryon sloshing'

Authors: Bland-Hawthorn, Joss, Tepper-Garcia, Thor, Agertz, Oscar, Federrath, Christoph, Haywood, Misha, di Matteo, Paola, Bedding, Timothy R, Tsukui, Takafumi, Wisnioski, Emily, Ness, Melissa, Freeman, Ken

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2502.01895

$Lux$: A generative, multi-output, latent-variable model for astronomical data with noisy labels

Authors: Horta, Danny, Price-Whelan, Adrian M., Hogg, David W., Ness, Melissa K., Casey, Andrew R.

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics

Access URL: http://arxiv.org/abs/2502.01745

A Data-Driven M Dwarf Model and Detailed Abundances for $\sim$17,000 M Dwarfs in SDSS-V

Authors: Behmard, Aida, Ness, Melissa K., Casey, Andrew R., Angus, Ruth, Cunha, Katia, Souto, Diogo, Yuxi, Lu, Johnson, Jennifer A.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2501.14955

Exoplanet Occurrence Rate with Age for FGK Stars in Kepler

Authors: Sayeed, Maryum, Angus, Ruth, Berger, Travis, Yuxi, Lu, Christiansen, Jessie, Foreman-Mackey, Daniel, Ness, Melissa

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2501.13809

The Multiband Imaging Survey for High-Alpha PlanetS (MISHAPS) I: Preliminary Constraints on the Occurrence Rate of Hot Jupiters in 47 Tucanae

Authors: Crisp, Alison L., Klüter, Jonas, Newman, Marz L., Penny, Matthew T., Beatty, Thomas G., Cleeves, L. Ilsedore, Collins, Karen A., Johnson, Jennifer A., Johnson, Marshall C., Lund, Michael B., Martínez-Vázquez, Clara E., Ness, Melissa K., Rodriguez, Joseph E., Siverd, Robert, Stevens, Daniel J., Villanueva, Steven, Ziegler, Carl

Subject Terms: Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2412.09705

The GALAH Survey: Stellar parameters and abundances for 800,000 Gaia RVS spectra using GALAH DR4 and The Cannon

Authors: Das, Pradosh Barun, Zucker, Daniel B., De Silva, Gayandhi M., Borsato, Nicholas W., Mura-Guzmán, Aldo, Buder, Sven, Ness, Melissa, Nordlander, Thomas, Casey, Andrew R., Martell, Sarah L., Bland-Hawthorn, Joss, de Grijs, Richard, Freeman, Ken C., Kos, Janez, Stello, Dennis, Lewis, Geraint F., Hayden, Michael R., Sharma, Sanjib

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2410.12272

Evidence of Truly Young high-$\alpha$ Dwarf Stars

Authors: Lu, Yuxi, Colman, Isabel L., Sayeed, Maryum, Amard, Louis, Buder, Sven, Manea, Catherine, Hattori, Soichiro, Pinsonneault, Marc H., Price-Whelan, Adrian M., Bedell, Megan, Nidever, David, Johnson, Jennifer A., Ness, Melissa, Angus, Ruth, Claytor, Zachary R., Horta, Danny, Behmard, Aida

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2410.02962

Strong Chemical Tagging in FIRE: Intra and Inter-Cluster Chemical Homogeneity in Open Clusters in Milky Way-like Galaxy Simulations

Authors: Bhattarai, Binod, Loebman, Sarah R., Ness, Melissa K., Wetzel, Andrew, Cunningham, Emily C., Parul, Hanna, Wiggins, Alessa Ibrahim

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2408.02228

A Data-driven Spectral Model of Main Sequence Stars in Gaia DR3

Authors: Angelo, Isabel, Bedell, Megan, Petigura, Erik, Ness, Melissa

Source: The Astrophysical Journal, Volume 974, Number 1 (2024)

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2407.19016

ACACIAS I: Element abundance labels for 192 stars in the dwarf galaxy NGC 6822

Authors: Ness, Melissa K., Mendel, J. Trevor, Buder, Sven, Wheeler, Adam, Ji, Alexander P., Mijnarends, Luka, Venn, Kim, Starkenburg, Else, Leaman, Ryan, Grasha, Kathryn, Aquilina, Sarah

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2407.17661

The Extremely Metal Rich Knot of Stars at the Heart of the Galaxy

Authors: Rix, Hans-Walter, Chandra, Vedant, Zasowski, Gail, Pillepich, Annalisa, Khoperskov, Sergey, Feltzing, Sofia, Wyse, Rosemary F., Frankel, Neige, Horta, Danny, Kollmeier, Juna, Stassun, Keivan G., Ness, Melissa, Bird, Jonathan C., Nidever, David L., Fernandez, Jose G., Amarante, João A., Laporte, Chervin F., Lian, Jianhui

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2406.01706

Stellar Mergers or Truly Young? Intermediate-Age Stars on Highly-Radial Orbits in the Milky Way's Stellar Halo

Authors: Horta, Danny, Yuxi, Lu, Ness, Melissa K., Lisanti, Mariangela, Price-Whelan, Adrian M.

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2403.09777

Measuring Dwarf Galaxy Intrinsic Abundance Scatter with Mid-resolution Spectroscopic Surveys: Calibrating APOGEE Abundance Errors

Authors: Mead, Jennifer, Ness, Melissa, Andersson, Eric, Griffith, Emily J., Horta, Danny

Source: 2024 ApJ 974 186

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2403.04833

The Sun Remains Relatively Refractory Depleted: Elemental Abundances for 17,412 Gaia RVS Solar Analogs and 50 Planet Hosts

Authors: Rampalli, Rayna, Ness, Melissa K., Edwards, Graham H., Newton, Elisabeth R., Bedell, Megan

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2402.16954

3D NLTE Lithium abundances for late-type stars in GALAH DR3

Authors: Wang, Ella Xi, Nordlander, Thomas, Buder, Sven, Ciucă, Ioana, Soen, Alexander, Martell, Sarah, Ness, Melissa, Lind, Karin, McKenzie, Madeleine, Stello, Dennis

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2402.02669

Orbital Torus Imaging: Acceleration, density, and dark matter in the Galactic disk measured with element abundance gradients

Authors: Horta, Danny, Price-Whelan, Adrian M., Hogg, David W., Johnston, Kathryn V., Widrow, Lawrence, Dalcanton, Julianne J., Ness, Melissa K., Hunt, Jason A. S.

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2312.07664

Chemical Doppelgangers in GALAH DR3: the Distinguishing Power of Neutron-Capture Elements Among Milky Way Disk Stars

Authors: Manea, Catherine, Hawkins, Keith, Ness, Melissa K., Buder, Sven, Martell, Sarah L., Zucker, Daniel B.

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2310.15257

Chemical Cartography of the Sagittarius Stream with Gaia

Authors: Cunningham, Emily C., Hunt, Jason A. S., Price-Whelan, Adrian M., Johnston, Kathryn V., Ness, Melissa K., Lu, Yuxi, Escala, Ivanna, Stelea, Ioana A.

Subject Terms: Astrophysics - Astrophysics of Galaxies

Access URL: http://arxiv.org/abs/2307.08730

Data-driven Discovery of Diffuse Interstellar Bands with APOGEE Spectra

Authors: McKinnon, Kevin A., Ness, Melissa K., Rockosi, Constance M., Guhathakurta, Puragra

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics, Statistics - Applications

Access URL: http://arxiv.org/abs/2307.05706

KPM: A Flexible and Data-Driven K-Process Model for Nucleosynthesis

Authors: Griffith, Emily J., Hogg, David W., Dalcanton, Julianne J., Hasselquist, Sten, Ratcliffe, Bridget, Ness, Melissa, Weinberg, David H.

Subject Terms: Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2307.05691