Search Results - "Tollerud, Erik J."

The SAGA Survey. I. Satellite Galaxy Populations around Eight Milky Way Analogs by Geha, Marla, Wechsler, Risa H., Mao, Yao-Yuan, Tollerud, Erik J., Weiner, Benjamin, Bernstein, Rebecca, Hoyle, Ben, Marchi, Sebastian, Marshall, Phil J., Muñoz, Ricardo, Lu, Yu

“…We present the survey strategy and early results of the "Satellites Around Galactic Analogs" (SAGA) Survey. The SAGA Survey's goal is to measure the…”
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One Relation for All Wavelengths: The Far-ultraviolet to Mid-infrared Milky Way Spectroscopic R(V)-dependent Dust Extinction Relationship by Gordon, Karl D., Clayton, Geoffrey C., Decleir, Marjorie, Fitzpatrick, E. L., Massa, Derck, Misselt, Karl A., Tollerud, Erik J.

“…Abstract Dust extinction is one of the fundamental measurements of dust grain sizes, compositions, and shapes. Most of the wavelength-dependent variations seen…”
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The Sagittarius impact as an architect of spirality and outer rings in the Milky Way by Purcell, Chris W., Bullock, James S., Tollerud, Erik J., Rocha, Miguel, Chakrabarti, Sukanya

“…Reshaping the Galaxy Since its discovery more than a decade ago, the Sagittarius dwarf galaxy (Sgr), a satellite galaxy of our own Milky Way, has been…”
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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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Discovery and Characterization of Two Ultrafaint Dwarfs outside the Halo of the Milky Way: Leo M and Leo K by McQuinn, Kristen. B. W., Mao, Yao-Yuan, Tollerud, Erik J., Cohen, Roger E., Shih, David, Buckley, Matthew R., Dolphin, Andrew E.

“…Abstract We report the discovery of two ultrafaint dwarf galaxies, Leo M and Leo K, that lie outside the halo of the Milky Way (MW). Using Hubble Space…”
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HST IMAGING OF THE LOCAL VOLUME DWARF GALAXIES PISCES A AND B: PROTOTYPES FOR LOCAL GROUP DWARFS by Tollerud, Erik J., Geha, Marla C., Grcevich, Jana, Putman, Mary E., Weisz, Daniel R., Dolphin, Andrew E.

“…ABSTRACT We present observations of the Pisces A and B galaxies with the Advanced Camera for Surveys on the Hubble Space Telescope. Photometry from these…”
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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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GLOBAL PROPERTIES OF M31'S STELLAR HALO FROM THE SPLASH SURVEY. I. SURFACE BRIGHTNESS PROFILE by GILBERT, Karoline M, GUHATHAKURTA, Puragra, TOLLERUD, Erik J, TANAKA, Mikito, CHIBA, Masashi, BEATON, Rachael L, BULLOCK, James, GEHA, Marla C, KALIRAI, Jason S, KIRBY, Evan N, MAJEWSKI, Steven R, OSTHEIMER, James C, PATTERSON, Richard J

“…We present the surface brightness profile of M31's stellar halo out to a projected radius of 175 kpc. The surface brightness estimates are based on confirmed…”
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THE OUTER LIMITS OF THE M31 SYSTEM: KINEMATICS OF THE DWARF GALAXY SATELLITES AND XXVIII & AND XXIX by Tollerud, Erik J, Geha, Marla C, Vargas, Luis C, Bullock, James S

“…We present Keck/DEIMOS spectroscopy of resolved stars in the M31 satellites And XXVIII and And XXIX. We show that these are likely self-bound galaxies based on…”
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Hundreds of Milky Way Satellites? Luminosity Bias in the Satellite Luminosity Function by Tollerud, Erik J, Bullock, James S, Strigari, Louis E, Willman, Beth

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The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way–like Galaxies by Mao, Yao-Yuan, Geha, Marla, Wechsler, Risa H., Weiner, Benjamin, Tollerud, Erik J., Nadler, Ethan O., Kallivayalil, Nitya

“…Abstract We present the Stage II results from the ongoing Satellites Around Galactic Analogs (SAGA) Survey. Upon completion, the SAGA Survey will…”
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Where Are All of the Gas-bearing Local Dwarf Galaxies? Quantifying Possible Impacts of Reionization by Tollerud, Erik J., Peek, J. E. G.

“…We present an approach for comparing the detections and non-detections of Local Group (LG) dwarf galaxies in large H i surveys to the predictions of a suite of…”
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THE DISTRIBUTION OF ALPHA ELEMENTS IN ANDROMEDA DWARF GALAXIES by Vargas, Luis C, Geha, Marla C, Tollerud, Erik J

“…We present alpha to iron abundance ratios for 226 individual red giant branch stars in nine dwarf galaxies of the Andromeda (M31) satellite system. The…”
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HUNDREDS OF MILKY WAY SATELLITES? LUMINOSITY BIAS IN THE SATELLITE LUMINOSITY FUNCTION by TOLLERUD, Erik J, BULLOCK, James S, STRIGARI, Louis E, WILLMAN, Beth

“…We correct the observed Milky Way satellite luminosity function for luminosity bias using published completeness limits for the Sloan Digital Sky Survey DR5…”
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A detailed study of Andromeda XIX, an extreme local analogue of ultradiffuse galaxies by Collins, Michelle L M, Tollerud, Erik J, Rich, R Michael, Ibata, Rodrigo A, Martin, Nicolas F, Chapman, Scott C, Gilbert, Karoline M, Preston, Janet

“…ABSTRACT With a central surface brightness of μ0 = 29.3 mag arcsec−2, and half-light radius of $r_{\rm half}=3.1^{+0.9}_{-1.1}$ kpc, Andromeda XIX (And XIX) is…”
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METALLICITY EVOLUTION OF THE SIX MOST LUMINOUS M31 DWARF SATELLITES by Ho, Nhung, Geha, Marla, Tollerud, Erik J, Zinn, Robert, Guhathakurta, Puragra, Vargas, Luis C

“…We present global metallicity properties, metallicity distribution functions (MDFs), and radial metallicity profiles for the six most luminous M31 dwarf galaxy…”
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Small-scale Structure in the Sloan Digital Sky Survey and ΛCDM: Isolated ~L Galaxies with Bright Satellites by Tollerud, Erik J, Boylan-Kolchin, Michael, Barton, Elizabeth J, Bullock, James S, Trinh, Christopher Q

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Andromeda XXI – a dwarf galaxy in a low-density dark matter halo by Collins, Michelle L M, Read, Justin I, Ibata, Rodrigo A, Rich, R Michael, Martin, Nicolas F, Peñarrubia, Jorge, Chapman, Scott C, Tollerud, Erik J, Weisz, Daniel R

“…ABSTRACT Andromeda XXI (And XXI) has been proposed as a dwarf spheroidal galaxy with a central dark matter density that is lower than expected in the standard…”
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ΛCDM predictions for the satellite population of M33 by Patel, Ekta, Carlin, Jeffrey L, Tollerud, Erik J, Collins, Michelle L M, Dooley, Gregory A

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Elemental Abundances in M31: [Fe/H] and [ /Fe] in M31 Dwarf Galaxies Using Coadded Spectra by Wojno, Jennifer, Gilbert, Karoline M., Kirby, Evan N., Escala, Ivanna, Beaton, Rachael L., Tollerud, Erik J., Majewski, Steven R., Guhathakurta, Puragra

“…We present chemical abundances of red giant branch (RGB) stars in the dwarf spheroidal (dSph) satellite system of Andromeda (M31), using spectral synthesis of…”
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