Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Quirk, Amanda C. N."'
Autor:
Escala, Ivanna, Quirk, Amanda C. N., Guhathakurta, Puragra, Gilbert, Karoline M., Wojno, J. Leigh, Cullinane, Lara, Williams, Benjamin F., Dalcanton, Julianne
Stellar kinematics and metallicity are key to exploring formation scenarios for galactic disks and halos. In this work, we characterized the relationship between kinematics and photometric metallicity along the line-of-sight to M31's disk. We combine
Externí odkaz:
http://arxiv.org/abs/2209.07962
Autor:
Gilbert, Karoline M., Quirk, Amanda C. N., Guhathakurta, Puragra, Tollerud, Erik, Wojno, Jennifer, Dalcanton, Julianne J., Durbin, Meredith J., Seth, Anil, Williams, Benjamin F., Fung, Justin T., Tangirala, Pujita, Yusufali, Ibrahim
We present initial results from a large spectroscopic survey of stars throughout M33's stellar disk. We analyze a sample of 1667 red giant branch (RGB) stars extending to projected distances of $\sim 11$ kpc from M33's center ($\sim 18$ kpc, or $\sim
Externí odkaz:
http://arxiv.org/abs/2110.15773
Autor:
Quirk, Amanda C. N., Patel, Ekta
We analyze the kinematics as a function of stellar age for Andromeda (M31) mass analogs from the IllustrisTNG cosmological simulation. We divide the star particles into four age groups: less than 1 Gyr, 1 to 5 Gyr, 5 to 10 Gyr, and greater 10 Gyr, an
Externí odkaz:
http://arxiv.org/abs/2001.00931
Autor:
Dashyan, Gohar, Choi, Ena, Somerville, Rachel S., Naab, Thorsten, Quirk, Amanda C. N., Hirschmann, Michaela, Ostriker, Jeremiah P.
We explore the effect of active galactic nucleus (AGN) feedback from central galaxies on their satellites by comparing two sets of cosmological zoom-in runs of 27 halos with masses ranging from $10^{12}$ to $10^{13.4}$ solar masses at z=0, with (wAGN
Externí odkaz:
http://arxiv.org/abs/1906.07431
Autor:
Gilbert, Karoline M., Tollerud, Erik J., Anderson, Jay, Beaton, Rachael L., Bell, Eric F., Brooks, Alyson, Brown, Thomas M., Bullock, James, Carlin, Jeffrey L., Collins, Michelle, Cooper, Andrew, Crnojevic, Denija, Dalcanton, Julianne, del Pino, Andres, D'Souza, Richard, Escala, Ivanna, Fardal, Mark, Font, Andreea, Geha, Marla, Guhathakurta, Puragra, Kirby, Evan, Lewis, Geraint F., Marshall, Jennifer L., Martin, Nicolas F., McQuinn, Kristen, Monachesi, Antonela, Patel, Ekta, Peeples, Molly S., Pillepich, Annalisa, Quirk, Amanda C. N., Rich, R. Michael, Sohn, S. Tony, Ting, Yuan-Sen, van der Marel, Roeland P., Wetzel, Andrew, Williams, Benjamin F., Wojno, Jennifer
The Great Andromeda Galaxy (M31) is the nexus of the near-far galaxy evolution connection and a principal data point for near-field cosmology. Due to its proximity (780 kpc), M31 can be resolved into individual stars like the Milky Way (MW). Unlike t
Externí odkaz:
http://arxiv.org/abs/1904.01074
Autor:
Quirk, Amanda C. N., Guhathakurta, Puragra, Chemin, Laurent, Dorman, Claire E., Gilbert, Karoline M., Seth, Anil C., Williams, Benjamin F., Dalcanton, Julianne J.
Publikováno v:
The Astrophysical Journal, 871:11 (20pp), 2019 January 20
We analyze the kinematics of Andromeda's disk as a function of stellar age by using photometry from the Panchromatic Hubble Andromeda Treasury (PHAT) survey and spectroscopy from the Spectroscopic and Photometric Landscape of Andromeda's Stellar Halo
Externí odkaz:
http://arxiv.org/abs/1811.07037
Autor:
Snyder, Gregory F., Rodriguez-Gomez, Vicente, Lotz, Jennifer M., Torrey, Paul, Quirk, Amanda C. N., Hernquist, Lars, Vogelsberger, Mark, Freeman, Peter E.
We present image-based evolution of galaxy mergers from the Illustris cosmological simulation at 12 time-steps over 0.5 < z < 5. To do so, we created approximately one million synthetic deep Hubble Space Telescope and James Webb Space Telescope image
Externí odkaz:
http://arxiv.org/abs/1809.02136
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