Search Results - "Spekkens, Kristine"

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    A Deeper Look at the New Milky Way Satellites: Sagittarius II, Reticulum II, Phoenix II, and Tucana III by Mutlu-Pakdil, Burçin, Sand, David J., Carlin, Jeffrey L., Spekkens, Kristine, Caldwell, Nelson, Crnojević, Denija, Hughes, Allison K., Willman, Beth, Zaritsky, Dennis

    Published in The Astrophysical journal (10-08-2018)
    “…Abstract We present deep Magellan /Megacam stellar photometry of four recently discovered faint Milky Way satellites: Sagittarius II (Sgr II), Reticulum II…”
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    Systematically Measuring Ultradiffuse Galaxies in H i: Results from the Pilot Survey by Karunakaran, Ananthan, Spekkens, Kristine, Zaritsky, Dennis, Donnerstein, Richard L., Kadowaki, Jennifer, Dey, Arjun

    Published in The Astrophysical journal (01-10-2020)
    “…Abstract We present neutral hydrogen (H i ) observations using the Robert C. Byrd Green Bank Telescope (GBT) of 70 optically detected UDG candidates in the…”
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  3. 3

    On the Properties of Spectroscopically Confirmed Ultra-diffuse Galaxies across Environments by Kadowaki, Jennifer, Zaritsky, Dennis, Donnerstein, R. L., RS, Pranjal, Karunakaran, Ananthan, Spekkens, Kristine

    Published in The Astrophysical journal (01-12-2021)
    “…Abstract We present new redshift measurements for 19 candidate ultra-diffuse galaxies (UDGs) from the Systematically Measuring Ultra-Diffuse Galaxies (SMUDGes)…”
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    Systematically Measuring Ultra-diffuse Galaxies (SMUDGes). V. The Complete SMUDGes Catalog and the Nature of Ultradiffuse Galaxies by Zaritsky, Dennis, Donnerstein, Richard, Dey, Arjun, Karunakaran, Ananthan, Kadowaki, Jennifer, Khim, Donghyeon J., Spekkens, Kristine, Zhang, Huanian

    “…Abstract We present the completed catalog of ultradiffuse galaxy (UDG) candidates (7070 objects) from our search of the DR9 Legacy Survey images, including…”
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    Systematically Measuring Ultradiffuse Galaxies. VII. The H i Survey Overview by Karunakaran, Ananthan, Motiwala, Khadeejah, Spekkens, Kristine, Zaritsky, Dennis, Donnerstein, Richard L., Dey, Arjun

    Published in The Astrophysical journal (01-11-2024)
    “…Abstract We present the results from the neutral hydrogen (H i ) follow-up survey of 378 optically detected ultradiffuse galaxy (UDG) candidates from the…”
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    A Deep CFHT Optical Search for a Counterpart to the Possible Neutron Star-Black Hole Merger GW190814 by Vieira, Nicholas, Ruan, John J., Haggard, Daryl, Drout, Maria R., Nynka, Melania C., Boyce, Hope, Spekkens, Kristine, Safi-Harb, Samar, Carlberg, Raymond G., Fernández, Rodrigo, Piro, Anthony L., Afsariardchi, Niloufar, Moon, Dae-Sik

    Published in The Astrophysical journal (01-06-2020)
    “…We present a wide-field optical imaging search for electromagnetic counterparts to the likely neutron star-black hole (NS-BH) merger GW190814/S190814bv. This…”
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    Hubble Space Telescope Observations of NGC 253 Dwarf Satellites: Three Ultra-faint Dwarf Galaxies by Mutlu-Pakdil, Burçin, Sand, David J., Crnojević, Denija, Jones, Michael G., Caldwell, Nelson, Guhathakurta, Puragra, Seth, Anil C., Simon, Joshua D., Spekkens, Kristine, Strader, Jay, Toloba, Elisa

    Published in The Astrophysical journal (01-02-2022)
    “…Abstract We present deep Hubble Space Telescope (HST) imaging of five faint dwarf galaxies associated with the nearby spiral NGC 253 (D ≈ 3.5 Mpc). Three of…”
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    Gas-rich, Field Ultra-diffuse Galaxies Host Few Gobular Clusters by Jones, Michael G., Karunakaran, Ananthan, Bennet, Paul, Sand, David J., Spekkens, Kristine, Mutlu-Pakdil, Burçin, Crnojević, Denija, Janowiecki, Steven, Leisman, Lukas, Fielder, Catherine E.

    Published in Astrophysical journal. Letters (01-01-2023)
    “…Abstract We present Hubble Space Telescope imaging of 14 gas-rich, low-surface-brightness galaxies in the field at distances of 25–36 Mpc, with mean effective…”
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    All Puffed Up: Exploring Ultra-diffuse Galaxy Origins Through Galaxy Interactions by Fielder, Catherine, Jones, Michael G., Sand, David J., Bennet, Paul, Crnojević, Denija, Karunakaran, Ananthan, Mutlu-Pakdil, Burçin, Spekkens, Kristine

    Published in The Astronomical journal (01-11-2024)
    “…Abstract We present new follow-up observations of two ultra-diffuse galaxies (UDGs) selected for their distorted morphologies and tidal features, suggestive of…”
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    Modeling Noncircular Motions in Disk Galaxies: Application to NGC 2976 by Spekkens, Kristine, Sellwood, J. A

    Published in The Astrophysical journal (20-07-2007)
    “…We present a new procedure to fit nonaxisymmetric flow patterns to two-dimensional velocity maps of spiral galaxies. We concentrate on flows caused by barlike…”
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  13. 13

    Gas and Star Formation in Satellites of Milky Way Analogs by Jones, Michael G., Sand, David J., Karunakaran, Ananthan, Spekkens, Kristine, Oman, Kyle A., Bennet, Paul, Besla, Gurtina, Crnojević, Denija, Cuillandre, Jean-Charles, Fielder, Catherine E., Gwyn, Stephen, Mutlu-Pakdil, Burçin

    Published in The Astrophysical journal (01-05-2024)
    “…Abstract We have imaged the entirety of eight (plus one partial) Milky Way (MW)–like satellite systems, a total of 42 (45) satellites, from the Satellites…”
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    Pavo: Discovery of a Star-forming Dwarf Galaxy Just Outside the Local Group by Jones, Michael G., Mutlu-Pakdil, Burçin, Sand, David J., Donnerstein, Richard, Crnojević, Denija, Bennet, Paul, Fielder, Catherine E., Karunakaran, Ananthan, Spekkens, Kristine, Strader, Jay, Urquhart, Ryan, Zaritsky, Dennis

    Published in Astrophysical journal. Letters (01-11-2023)
    “…Abstract We report the discovery of Pavo, a faint ( M V = −10.0), star-forming, irregular, and extremely isolated dwarf galaxy at D ≈ 2 Mpc. Pavo was…”
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    The Disturbed and Globular-cluster-rich Ultradiffuse Galaxy UGC 9050-Dw1 by Fielder, Catherine E., Jones, Michael G., Sand, David J., Bennet, Paul, Crnojević, Denija, Karunakaran, Ananthan, Mutlu-Pakdil, Burçin, Spekkens, Kristine

    Published in Astrophysical journal. Letters (01-09-2023)
    “…Abstract We investigate the ultradiffuse galaxy (UDG) UGC 9050-Dw1, which was selected because of its disturbed morphology as part of a larger sample of UDGs…”
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    Exploring the Structures and Substructures of the Andromeda Satellite Dwarf Galaxies Cassiopeia III, Perseus I, and Lacerta I by Rhode, Katherine L., Smith, Nicholas J., Crnojevic, Denija, Sand, David J., Lambert, Ryan A., Vesperini, Enrico, Smith, Madison V., Janowiecki, Steven, Salzer, John J., Karunakaran, Ananthan, Spekkens, Kristine

    Published in The Astronomical journal (01-11-2023)
    “…Abstract We present results from wide-field imaging of the resolved stellar populations of the dwarf spheroidal galaxies Cassiopeia III (And XXXII) and Perseus…”
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    Corvus A: A Low-mass, Isolated Galaxy at 3.5 Mpc by Jones, Michael G., Sand, David J., Mutlu-Pakdil, Burçin, Fielder, Catherine E., Crnojević, Denija, Bennet, Paul, Spekkens, Kristine, Donnerstein, Richard, Doliva-Dolinsky, Amandine, Karunakaran, Ananthan, Strader, Jay, Zaritsky, Dennis

    Published in Astrophysical journal. Letters (01-08-2024)
    “…We report the discovery of Corvus A, a low-mass, gas-rich galaxy at a distance of approximately 3.5 Mpc, identified in DR10 of the Dark Energy Camera Legacy…”
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    Dark No More: The Low-luminosity Stellar Counterpart of a Dark Cloud in the Virgo Cluster by Jones, Michael G., Janowiecki, Steven, Dey, Swapnaneel, Sand, David J., Bennet, Paul, Crnojević, Denija, Fielder, Catherine E., Karunakaran, Ananthan, Kent, Brian R., Mazziotti, Nicolas, Mutlu-Pakdil, Burçin, Spekkens, Kristine

    Published in Astrophysical journal. Letters (01-05-2024)
    “…Abstract We have discovered the stellar counterpart to the ALFALFA Virgo 7 cloud complex, which has been thought to be optically dark and nearly star-free…”
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