Zobrazeno 1 - 10
of 1 984
pro vyhledávání: '"P Fielder"'
Autor:
Sand, D. J., Mutlu-Pakdil, B., Jones, M. G., Karunakaran, A., Andrews, J. E., Bennet, P., Crnojevic, D., Donatiello, G., Drlica-Wagner, A., Fielder, C., Martinez-Delgado, D., Martinez-Vazquez, C. E., Spekkens, K., Doliva-Dolinsky, A., Hunger, L. C., Carlin, J. L., Cerny, W., Hai, T. N., McQuinn, K. B. W, Pace, A. B., Smercina, A.
We report the discovery of three faint and ultra-faint dwarf galaxies -- Sculptor A, Sculptor B and Sculptor C -- in the direction of NGC 300 (D=2.0 Mpc), a Large Magellanic Cloud-mass galaxy. Deep ground-based imaging with Gemini/GMOS resolves all t
Externí odkaz:
http://arxiv.org/abs/2409.16345
Autor:
Jones, Michael G., Sand, David J., Mutlu-Pakdil, Burcin, Fielder, Catherine E., Crnojevic, Denija, Bennet, Paul, Spekkens, Kristine, Donnerstein, Richard, Doliva-Dolinsky, Amandine, Karunakaran, Ananthan, Strader, Jay, Zaritsky, Dennis
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 Imaging Survey during the initial phase of our ongoing SEmi-Automated Machine LEarning Search
Externí odkaz:
http://arxiv.org/abs/2407.03393
We investigate the distributions of subhalos about their hosts in two suites of zoom-in N-body simulations of halo growth -- one suite focused on Milky Way Mass halos ($\sim 10^{12} \mathrm{M}_{\odot}$) and another focused on cluster ($\sim 10^{15} \
Externí odkaz:
http://arxiv.org/abs/2406.10150
We present Atacama Large Millimeter/submillimeter Array (ALMA) Cycle 3 observations of 73 starless and protostellar cores in the Orion B North molecular cloud. We detect a total of 34 continuum sources at 106 GHz, and after comparisons with other dat
Externí odkaz:
http://arxiv.org/abs/2404.13520
Autor:
Jones, Michael G., Janowiecki, Steven, Dey, Swapnaneel, Sand, David J., Bennet, Paul, Crnojevic, Denija, Fielder, Catherine E., Karunakaran, Ananthan, Kent, Brian R., Mazziotti, Nicolas, Mutlu-Pakdil, Burcin, Spekkens, Kristine
We have discovered the stellar counterpart to the ALFALFA Virgo 7 cloud complex, which has been thought to be optically dark and nearly star-free since its discovery in 2007. This ~190 kpc long chain of enormous atomic gas clouds ($M_\mathrm{HI} \sim
Externí odkaz:
http://arxiv.org/abs/2402.14909
The Faint Satellite System of NGC 253: Insights into Low-Density Environments and No Satellite Plane
Autor:
Mutlu-Pakdil, Burçin, Sand, David J., Crnojević, Denija, Bennet, Paul, Jones, Michael G., Spekkens, Kristine, Karunakaran, Ananthan, Zaritsky, Dennis, Caldwell, Nelson, Fielder, Catherine E., Guhathakurta, Puragra, Seth, Anil C., Simon, Joshua D., Strader, Jay, Toloba, Elisa
We have conducted a systematic search around the Milky Way (MW) analog NGC 253 (D=3.5 Mpc), as a part of the Panoramic Imaging Survey of Centaurus and Sculptor (PISCeS) - a Magellan+Megacam survey to identify dwarfs and other substructures in resolve
Externí odkaz:
http://arxiv.org/abs/2401.14457
Autor:
Fielder, Catherine, Jones, Michael, Sand, David, Bennet, Paul, Crnojevic, Denija, Karunakaran, Ananthan, Mutlu-Pakdil, Burcin, Spekkens, Kristine
We present new follow-up observations of two ultra-diffuse galaxies (UDGs), part of a total sample of five chosen for their distorted morphologies, suggestive of tidal influence. Using Hubble Space Telescope Advanced Camera for Surveys F555W and F814
Externí odkaz:
http://arxiv.org/abs/2401.01931
Autor:
Jones, Michael G., Sand, David J., Karunakaran, Ananthan, Spekkens, Kristine, Oman, Kyle A., Bennet, Paul, Besla, Gurtina, Crnojevic, Denija, Cuillandre, Jean-Charles, Fielder, Catherine E., Gwyn, Stephen, Mutlu-Pakdil, Burcin
We have imaged the entirety of eight (plus one partial) Milky Way-like satellite systems, a total of 42 (45) satellites, from the Satellites Around Galactic Analogs (SAGA) II catalog in both H$\alpha$ and HI with the Canada-France-Hawaii Telescope an
Externí odkaz:
http://arxiv.org/abs/2311.02152
Autor:
Jones, Michael G., Mutlu-Pakdil, Burcin, Sand, David J., Donnerstein, Richard, Crnojevic, Denija, Bennet, Paul, Fielder, Catherine E., Karunakaran, Ananthan, Spekkens, Kristine, Strader, Jay, Urquhart, Ryan, Zaritsky, Dennis
We report the discovery of Pavo, a faint ($M_V = -10.0$), star-forming, irregular, and extremely isolated dwarf galaxy at $D\approx2$ Mpc. Pavo was identified in Dark Energy Camera Legacy Survey imaging via a novel approach that combines low surface
Externí odkaz:
http://arxiv.org/abs/2310.01478
Autor:
Fielder, Catherine E., Jones, Michael G., Sand, David J., Bennet, Paul, Crnojevic, Denija, Karunakaran, Ananthan, Mutlu-Pakdil, Burcin, Spekkens, Kristine
Publikováno v:
ApJL, 954, L39 (2023)
We investigate the ultra-diffuse galaxy (UDG) UGC 9050-Dw1, which was selected because of its disturbed morphology as part of a larger sample of UDGs that display evidence for significant interactions. We use the Hubble Space Telescope's Advanced Cam
Externí odkaz:
http://arxiv.org/abs/2306.06164