Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Burçin Mutlu-Pakdil"'
Autor:
Michael G. Jones, David J. Sand, Burçin Mutlu-Pakdil, Catherine E. Fielder, Denija Crnojević, Paul Bennet, Kristine Spekkens, Richard Donnerstein, Amandine Doliva-Dolinsky, Ananthan Karunakaran, Jay Strader, Dennis Zaritsky
Publikováno v:
The Astrophysical Journal Letters, Vol 971, Iss 2, p L37 (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 Imaging Survey during the initial phase of our ongoing SEmi-Automated Machine LEarning Search
Externí odkaz:
https://doaj.org/article/90ddd07ce7df48e3aed843eb9fd7d47e
Autor:
Michael G. Jones, Steven Janowiecki, Swapnaneel Dey, David J. Sand, Paul Bennet, Denija Crnojević, Catherine E. Fielder, Ananthan Karunakaran, Brian R. Kent, Nicolas Mazziotti, Burçin Mutlu-Pakdil, Kristine Spekkens
Publikováno v:
The Astrophysical Journal Letters, Vol 966, Iss 1, p L15 (2024)
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 _H _i ∼ 10 ^
Externí odkaz:
https://doaj.org/article/d3cbdc41f200476a82d68264510b016a
Autor:
Catherine Fielder, Michael G. Jones, David J. Sand, Paul Bennet, Denija Crnojević, Ananthan Karunakaran, Burçin Mutlu-Pakdil, Kristine Spekkens
Publikováno v:
The Astronomical Journal, Vol 168, Iss 5, p 212 (2024)
We present new follow-up observations of two ultra-diffuse galaxies (UDGs) selected for their distorted morphologies and tidal features, suggestive of tidal influence. Using Hubble Space Telescope Advanced Camera for Surveys F555W and F814W imaging,
Externí odkaz:
https://doaj.org/article/9dea83f0eb1241208858be215154de4a
The Faint Satellite System of NGC 253: Insights into Low-density Environments and No Satellite Plane
Autor:
Burçin Mutlu-Pakdil, David J. Sand, Denija Crnojević, Paul Bennet, Michael G. Jones, Kristine Spekkens, Ananthan Karunakaran, Dennis Zaritsky, Nelson Caldwell, Catherine E. Fielder, Puragra Guhathakurta, Anil C. Seth, Joshua D. Simon, Jay Strader, Elisa Toloba
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 2, p 188 (2024)
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 reso
Externí odkaz:
https://doaj.org/article/f4a6af2d04e84d7e9d808cf5139bda67
Autor:
Michael G. Jones, David J. Sand, Ananthan Karunakaran, Kristine Spekkens, Kyle A. Oman, Paul Bennet, Gurtina Besla, Denija Crnojević, Jean-Charles Cuillandre, Catherine E. Fielder, Stephen Gwyn, Burçin Mutlu-Pakdil
Publikováno v:
The Astrophysical Journal, Vol 966, Iss 1, p 93 (2024)
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 Around Galactic Analogs II catalog in both H α and H i with the Canada–France–Hawaii Telescope an
Externí odkaz:
https://doaj.org/article/6e287f3ab03b4238809a2fd74f7a6551
Autor:
Michael G. Jones, Burçin Mutlu-Pakdil, David J. Sand, Richard Donnerstein, Denija Crnojević, Paul Bennet, Catherine E. Fielder, Ananthan Karunakaran, Kristine Spekkens, Jay Strader, Ryan Urquhart, Dennis Zaritsky
Publikováno v:
The Astrophysical Journal Letters, Vol 957, Iss 1, p L5 (2023)
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 identified in Dark Energy Camera Legacy Survey imaging via a novel approach that combines low surface br
Externí odkaz:
https://doaj.org/article/31fb2bb928764f07913b4eb51ee1d96b
Autor:
Catherine E. Fielder, Michael G. Jones, David J. Sand, Paul Bennet, Denija Crnojević, Ananthan Karunakaran, Burçin Mutlu-Pakdil, Kristine Spekkens
Publikováno v:
The Astrophysical Journal Letters, Vol 954, Iss 2, p L39 (2023)
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 that display evidence for significant interactions. We use the Hubble Space Telescope’s Advanced Ca
Externí odkaz:
https://doaj.org/article/2b41429fb4454882af9a4e6ea6aa218f
Autor:
Manisha Shrestha, David J. Sand, Kate D. Alexander, K. Azalee Bostroem, Griffin Hosseinzadeh, Jeniveve Pearson, Mojgan Aghakhanloo, József Vinkó, Jennifer E. Andrews, Jacob E. Jencson, M. J. Lundquist, Samuel Wyatt, D. Andrew Howell, Curtis McCully, Estefania Padilla Gonzalez, Craig Pellegrino, Giacomo Terreran, Daichi Hiramatsu, Megan Newsome, Joseph Farah, Saurabh W. Jha, Nathan Smith, J. Craig Wheeler, Clara Martínez-Vázquez, Julio A. Carballo-Bello, Alex Drlica-Wagner, David J. James, Burçin Mutlu-Pakdil, Guy S. Stringfellow, Joanna D. Sakowska, Noelia E. D. Noël, Clécio R. Bom, Kyler Kuehn
Publikováno v:
The Astrophysical Journal Letters, Vol 946, Iss 1, p L25 (2023)
We present photometric and spectroscopic observations of the extraordinary gamma-ray burst (GRB) 221009A in search of an associated supernova. Some past GRBs have shown bumps in the optical light curve that coincide with the emergence of supernova sp
Externí odkaz:
https://doaj.org/article/5bb1b00de35c4d388a4309c3c6fd49f9
Autor:
Michael G. Jones, Ananthan Karunakaran, Paul Bennet, David J. Sand, Kristine Spekkens, Burçin Mutlu-Pakdil, Denija Crnojević, Steven Janowiecki, Lukas Leisman, Catherine E. Fielder
Publikováno v:
The Astrophysical Journal Letters, Vol 942, Iss 1, p L5 (2022)
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 radii and g -band central surface brightnesses of 1.9 kpc and 24.2 mag arcsec ^−2 . Nine meet th
Externí odkaz:
https://doaj.org/article/c97e871b90e04ccfb4466b9d0a613491
Autor:
Joshua D. Simon, Thomas M. Brown, Burçin Mutlu-Pakdil, Alexander P. Ji, Alex Drlica-Wagner, Roberto J. Avila, Clara E. Martínez-Vázquez, Ting S. Li, Eduardo Balbinot, Keith Bechtol, Anna Frebel, Marla Geha, Terese T. Hansen, David J. James, Andrew B. Pace, M. Aguena, O. Alves, F. Andrade-Oliveira, J. Annis, D. Bacon, E. Bertin, D. Brooks, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, M. Costanzi, L. N. da Costa, J. De Vicente, S. Desai, P. Doel, S. Everett, I. Ferrero, J. Frieman, J. García-Bellido, M. Gatti, D. W. Gerdes, D. Gruen, R. A. Gruendl, J. Gschwend, G. Gutierrez, S. R. Hinton, D. L. Hollowood, K. Honscheid, K. Kuehn, N. Kuropatkin, J. L. Marshall, J. Mena-Fernández, R. Miquel, A. Palmese, F. Paz-Chinchón, M. E. S. Pereira, A. Pieres, A. A. Plazas Malagón, M. Raveri, M. Rodriguez-Monroy, E. Sanchez, B. Santiago, V. Scarpine, I. Sevilla-Noarbe, M. Smith, E. Suchyta, M. E. C. Swanson, G. Tarle, C. To, M. Vincenzi, N. Weaverdyck, R. D. Wilkinson
Publikováno v:
The Astrophysical Journal, Vol 944, Iss 1, p 43 (2023)
The ultra-faint dwarf galaxy Reticulum II (Ret II) exhibits a unique chemical evolution history, with ${72}_{-12}^{+10}$ % of its stars strongly enhanced in r -process elements. We present deep Hubble Space Telescope photometry of Ret II and analyze
Externí odkaz:
https://doaj.org/article/dbc6ac7f8802402a8f17fb3f21479413