Search Results - "Kallivayalil, Nitya"

THIRD-EPOCH MAGELLANIC CLOUD PROPER MOTIONS. II. THE LARGE MAGELLANIC CLOUD ROTATION FIELD IN THREE DIMENSIONS by van der Marel, P, KALLIVAYALIL, NITYA

“…We present the first detailed assessment of the large-scale rotation of any galaxy based on full three-dimensional velocity measurements. We do this for the…”
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THE SHAPE OF THE INNER MILKY WAY HALO FROM OBSERVATIONS OF THE PAL 5 AND GD-1 STELLAR STREAMS by Bovy, Jo, Bahmanyar, Anita, Fritz, Tobias K., Kallivayalil, Nitya

“…ABSTRACT We constrain the shape of the Milky Way's halo by dynamical modeling of the observed phase-space tracks of the Pal 5 and GD-1 tidal streams. We find…”
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The Orbital Histories of Magellanic Satellites Using Gaia DR2 Proper Motions by Patel, Ekta, Kallivayalil, Nitya, Garavito-Camargo, Nicolas, Besla, Gurtina, Weisz, Daniel R., van der Marel, Roeland P., Boylan-Kolchin, Michael, Pawlowski, Marcel S., Gómez, Facundo A.

“…With the release of Gaia DR2, it is now possible to measure the proper motions (PMs) of the lowest-mass, ultrafaint satellite galaxies in the Milky Way's (MW)…”
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The Missing Satellites of the Magellanic Clouds? Gaia Proper Motions of the Recently Discovered Ultra-faint Galaxies by Kallivayalil, Nitya, Sales, Laura V., Zivick, Paul, Fritz, Tobias K., Del Pino, Andrés, Sohn, Sangmo Tony, Besla, Gurtina, van der Marel, Roeland P., Navarro, Julio F., Sacchi, Elena

“…According to LCDM theory, hierarchical evolution occurs on all mass scales, implying that satellites of the Milky Way should also have companions. The recent…”
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The role of dwarf galaxy interactions in shaping the Magellanic System and implications for Magellanic Irregulars by Besla, Gurtina, Kallivayalil, Nitya, Hernquist, Lars, van der Marel, Roeland P., Cox, T. J., Kereš, Dušan

“…We present a novel pair of numerical models of the interaction history between the Large and Small Magellanic Clouds (LMC and SMC, respectively) and our Milky…”
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The Impact of Patchy Reionization on Ultrafaint Dwarf Galaxies by Kim, Jaeeun, Jeon, Myoungwon, Choi, Yumi, Richstein, Hannah, Sacchi, Elena, Kallivayalil, Nitya

“…Abstract We investigate how patchy reionization affects the star formation history (SFH) and stellar metallicity of ultrafaint dwarf galaxies (UFDs). Patchy…”
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The frequency of dwarf galaxy multiples at low redshift in SDSS versus cosmological expectations by Besla, Gurtina, Patton, David R, Stierwalt, Sabrina, Rodriguez-Gomez, Vicente, Patel, Ekta, Kallivayalil, Nitya J, Johnson, Kelsey E, Pearson, Sarah, Privon, George C, Putman, Mary E

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The Recent LMC–SMC Collision: Timing and Impact Parameter Constraints from Comparison of Gaia LMC Disk Kinematics and N-body Simulations by Choi, Yumi, Olsen, Knut A. G., Besla, Gurtina, van der Marel, Roeland P., Zivick, Paul, Kallivayalil, Nitya, Nidever, David L.

“…Abstract We present analysis of the proper-motion (PM) field of the red clump stars in the Large Magellanic Cloud (LMC) disk using the Gaia Early Data Release…”
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The Proper-motion Field along the Magellanic Bridge: A New Probe of the LMC-SMC Interaction by Zivick, Paul, Kallivayalil, Nitya, Besla, Gurtina, Sohn, Sangmo Tony, van der Marel, Roeland P., del Pino, Andrés, Linden, Sean T., Fritz, Tobias K., Anderson, J.

“…We present the first detailed kinematic analysis of the proper motions (PMs) of stars in the Magellanic Bridge, from both the Gaia Data Release 2 catalog and…”
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Extending the SAGA Survey (xSAGA). I. Satellite Radial Profiles as a Function of Host-galaxy Properties by Wu, John F., Peek, J. E. G., Tollerud, Erik J., Mao, Yao-Yuan, Nadler, Ethan O., Geha, Marla, Wechsler, Risa H., Kallivayalil, Nitya, Weiner, Benjamin J.

“…Abstract We present “Extending the Satellites Around Galactic Analogs Survey” (xSAGA), a method for identifying low- z galaxies on the basis of optical imaging…”
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The Low-mass Stellar Initial Mass Function in Nearby Ultrafaint Dwarf Galaxies by Filion, Carrie, Wyse, Rosemary F. G., Richstein, Hannah, Kallivayalil, Nitya, van der Marel, Roeland P., Sacchi, Elena

“…Abstract The stellar initial mass function (IMF) describes the distribution of stellar masses that form in a given star formation event. The long main-sequence…”
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A Physically Motivated Framework to Compare Pair Fractions of Isolated Low- and High-mass Galaxies across Cosmic Time by Chamberlain, Katie, Besla, Gurtina, Patel, Ekta, Rodriguez-Gomez, Vicente, Torrey, Paul, Martin, Garreth, Johnson, Kelsey, Kallivayalil, Nitya, Patton, David, Pearson, Sarah, Privon, George, Stierwalt, Sabrina

“…Abstract Low-mass galaxy pair fractions are understudied, and it is unclear whether low-mass pair fractions evolve in the same way as more massive systems over…”
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Can We Constrain Warm Dark Matter Masses with Individual Galaxies? by Lin, Shurui, Villaescusa-Navarro, Francisco, Rose, Jonah, Torrey, Paul, Farahi, Arya, Kollmann, Kassidy E., Garcia, Alex M., Roy, Sandip, Vogelsberger, Mark, Kallivayalil, Nitya, Cai, Yi-Fu, Luo, Wentao

“…Abstract We study the impact of warm dark matter (WDM) mass on the internal properties of individual galaxies using a large suite of 1024 state-of-the-art…”
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Erratum: “The Orbital Histories of Magellanic Satellites Using Gaia DR2 Proper Motions” (2020, ApJ, 893, 121) by Patel, Ekta, Kallivayalil, Nitya, Garavito-Camargo, Nicolas, Besla, Gurtina, Weisz, Daniel R., van der Marel, Roeland P., Boylan-Kolchin, Michael, Pawlowski, Marcel S., Gómez, Facundo A.

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Deep Hubble Space Telescope Photometry of Large Magellanic Cloud and Milky Way Ultrafaint Dwarfs: A Careful Look into the Magnitude–Size Relation by Richstein, Hannah, Kallivayalil, Nitya, Simon, Joshua D., Garling, Christopher T., Wetzel, Andrew, Warfield, Jack T., van der Marel, Roeland P., Jeon, Myoungwon, Rose, Jonah C., Torrey, Paul, Engelhardt, Anna Claire, Besla, Gurtina, Choi, Yumi, Geha, Marla, Guhathakurta, Puragra, Kirby, Evan N., Patel, Ekta, Sacchi, Elena, Sohn, Sangmo Tony

“…Abstract We present deep Hubble Space Telescope photometry of 10 targets from Treasury Program GO-14734, including six confirmed ultrafaint dwarf (UFD)…”
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Target Selection and Sample Characterization for the DESI LOW-Z Secondary Target Program by Darragh-Ford, Elise, Wu, John F., Mao, Yao-Yuan, Wechsler, Risa H., Geha, Marla, Forero-Romero, Jaime E., Hahn, ChangHoon, Kallivayalil, Nitya, Moustakas, John, Nadler, Ethan O., Nowotka, Marta, Peek, J. E. G., Tollerud, Erik J., Weiner, Benjamin, Aguilar, J., Ahlen, S., Brooks, D., Cooper, A. P., de la Macorra, A., Dey, A., Fanning, K., Font-Ribera, A., Gontcho A Gontcho, S., Honscheid, K., Kisner, T., Kremin, Anthony, Landriau, M., Levi, Michael E., Martini, P., Meisner, Aaron M., Miquel, R., Myers, Adam D., Nie, Jundan, Palanque-Delabrouille, N., Percival, W. J., Prada, F., Schlegel, D., Schubnell, M., Tarlé, Gregory, Vargas-Magaña, M., Zhou, Zhimin, Zou, H.

“…Abstract We introduce the DESI LOW- Z Secondary Target Survey, which combines the wide-area capabilities of the Dark Energy Spectroscopic Instrument (DESI)…”
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SAGAbg. I. A Near-unity Mass-loading Factor in Low-mass Galaxies via Their Low-redshift Evolution in Stellar Mass, Oxygen Abundance, and Star Formation Rate by Kado-Fong, Erin, Geha, Marla, Mao, Yao-Yuan, de los Reyes, Mithi A. C., Wechsler, Risa H., Asali, Yasmeen, Kallivayalil, Nitya, Nadler, Ethan O., Tollerud, Erik J., Weiner, Benjamin

“…Abstract Measuring the relation between star formation and galactic winds is observationally difficult. In this work we make an indirect measurement of the…”
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The JWST Resolved Stellar Populations Early Release Science Program. IV. The Star Formation History of the Local Group Galaxy WLM by McQuinn, Kristen. B. W., B. Newman, Max J., Savino, Alessandro, Dolphin, Andrew E., Weisz, Daniel R., Williams, Benjamin F., Boyer, Martha L., Cohen, Roger E., Correnti, Matteo, Cole, Andrew A., Geha, Marla C., Gennaro, Mario, Kallivayalil, Nitya, Sandstrom, Karin M., Skillman, Evan D., Anderson, Jay, Bolatto, Alberto, Boylan-Kolchin, Michael, Garling, Christopher T., Gilbert, Karoline M., Girardi, Léo, Kalirai, Jason S., Mazzi, Alessandro, Pastorelli, Giada, Richstein, Hannah, Warfield, Jack T.

“…Abstract We present the first star formation history (SFH) and age–metallicity relation (AMR) derived from resolved stellar populations imaged with the JWST…”
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The JWST Resolved Stellar Populations Early Release Science Program. VII. Stress Testing the NIRCam Exposure Time Calculator by Savino, Alessandro, Gennaro, Mario, Dolphin, Andrew E., Weisz, Daniel R., Correnti, Matteo, Anderson, Jay, Beaton, Rachael, Boyer, Martha L., Cohen, Roger E., Cole, Andrew A., Durbin, Meredith J., Garling, Christopher T., Geha, Marla C., Gilbert, Karoline M., Kalirai, Jason, Kallivayalil, Nitya, McQuinn, Kristen B. W., Newman, Max J. B., Richstein, Hannah, Skillman, Evan D., Warfield, Jack T., Williams, Benjamin F.

“…Abstract We empirically assess estimates from v3.0 of the James Webb Space Telescope NIRCam Exposure Time Calculator (ETC) using observations of resolved stars…”
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The Hubble Space Telescope Survey of M31 Satellite Galaxies. II. The Star Formation Histories of Ultrafaint Dwarf Galaxies by Savino, Alessandro, Weisz, Daniel R., Skillman, Evan D., Dolphin, Andrew, Cole, Andrew A., Kallivayalil, Nitya, Wetzel, Andrew, Anderson, Jay, Besla, Gurtina, Boylan-Kolchin, Michael, Brown, Thomas M., Bullock, James S., Collins, Michelle L. M., Cooper, M. C., Deason, Alis J., Dotter, Aaron L., Fardal, Mark, Ferguson, Annette M. N., Fritz, Tobias K., Geha, Marla C., Gilbert, Karoline M., Guhathakurta, Puragra, Ibata, Rodrigo, Irwin, Michael J., Jeon, Myoungwon, Kirby, Evan N., Lewis, Geraint F., Mackey, Dougal, Majewski, Steven R., Martin, Nicolas, McConnachie, Alan, Patel, Ekta, Rich, R. Michael, Simon, Joshua D., Sohn, Sangmo Tony, Tollerud, Erik J., van der Marel, Roeland P.

“…Abstract We present the lifetime star formation histories (SFHs) for six ultrafaint dwarf (UFD; M V > − 7.0, 4.9 < log 10 ( M * ( z = 0 ) / M ⊙ ) < 5.5 )…”
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