Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Brianna Lacy"'
Direct-imaging Discovery of a Substellar Companion Orbiting the Accelerating Variable Star HIP 39017
Autor:
Taylor L. Tobin, Thayne Currie, Yiting Li, Jeffrey Chilcote, Timothy D. Brandt, Brianna Lacy, Masayuki Kuzuhara, Maria Vincent, Mona El Morsy, Vincent Deo, Jonathan P. Williams, Olivier Guyon, Julien Lozi, Sebastien Vievard, Nour Skaf, Kyohoon Ahn, Tyler Groff, N. Jeremy Kasdin, Taichi Uyama, Motohide Tamura, Aidan Gibbs, Briley L. Lewis, Rachel Bowens-Rubin, Maïssa Salama, Qier An, Minghan Chen
Publikováno v:
The Astronomical Journal, Vol 167, Iss 5, p 205 (2024)
We present the direct-imaging discovery of a substellar companion (a massive planet or low-mass brown dwarf) to the young, γ Doradus ( γ Dor)-type variable star HIP 39017 (HD 65526). The companion’s SCExAO/CHARIS JHK (1.1–2.4 μ m) spectrum and
Externí odkaz:
https://doaj.org/article/31d7a3c359a54d8bbc679c9e0156b625
Autor:
Brianna Lacy, Adam Burrows
Publikováno v:
The Astrophysical Journal, Vol 950, Iss 1, p 8 (2023)
Y dwarfs are the coolest spectral class of brown dwarf. They have effective temperatures less than 500 K, with the coolest detection as low as ∼250 K. They make up the low-mass tail of the star formation process, and are a valuable analog to the at
Externí odkaz:
https://doaj.org/article/ff2ef1542df74c38b7f38bb09ddf5bca
Autor:
Thayne Currie, G. Mirek Brandt, Timothy D. Brandt, Brianna Lacy, Adam Burrows, Olivier Guyon, Motohide Tamura, Ranger Y. Liu, Sabina Sagynbayeva, Taylor Tobin, Jeffrey Chilcote, Tyler Groff, Christian Marois, William Thompson, Simon J. Murphy, Masayuki Kuzuhara, Kellen Lawson, Julien Lozi, Vincent Deo, Sebastien Vievard, Nour Skaf, Taichi Uyama, Nemanja Jovanovic, Frantz Martinache, N. Jeremy Kasdin, Tomoyuki Kudo, Michael McElwain, Markus Janson, John Wisniewski, Klaus Hodapp, Jun Nishikawa, Krzysztof Hełminiak, Jungmi Kwon, Masahiko Hayashi
Direct imaging of gas giant exoplanets provides key information on planetary atmospheres and the architectures of planetary systems. However, few planets have been detected in blind surveys used to achieve imaging detections. Using Gaia and Hipparcos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1d604946ef72a7878b21a03950dbc2c
http://arxiv.org/abs/2212.00034
http://arxiv.org/abs/2212.00034
Autor:
Jaren N. Ashcraft, Kian Milani, Ruslan Belikov, Ewan S. Douglas, A. J. Eldorado Riggs, Bijan Nemati, John Krist, Dmitry Savransky, John H. Debes, Dan Sirbu, Brianna Lacy, Leonid Pogorelyuk, Jeremy Kasdin
The Nancy Grace Roman Space Telescope Coronagraph Instrument (CGI) will be capable of characterizing exoplanets in reflected light and will demonstrate space technologies essential for future missions to take spectra of Earthlike exoplanets. As the m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e6266058a0616946b17af99b092dfbb
http://arxiv.org/abs/2012.12119
http://arxiv.org/abs/2012.12119
Autor:
Brianna Lacy, Adam Burrows
JWST will provide moderate resolution transit spectra with continuous wavelength coverage from the optical to the mid-infrared for the first time. In this paper, we illustrate how different aerosol species, size-distributions, and spatial distributio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e760df96afeab53886ed38c1c69fcdca
Autor:
Brianna Lacy, Adam Burrows
In this work, we investigate the properties of young giant planet spectra in the optical and suggest that future space-based direct imaging missions should be considering young planets as a valuable and informative science case. While young planets a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb220654aef052b2d80ab2b24391b33e
http://arxiv.org/abs/1911.10585
http://arxiv.org/abs/1911.10585
Autor:
Brianna Lacy, Adam Burrows
In this work, we investigate the properties of young giant planet spectra in the optical and suggest that future space-based direct imaging missions should be considering young planets as a valuable and informative science case. While young planets a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::673f6e9e3297c55ce6a2574f37a7fd3a
WFIRST-CGI is a NASA technology demonstration mission that is charged with demonstrating key technologies for future exo-Earth imaging missions in space. In the process, it will obtain images and low-resolution spectra of a handful to a dozen extraso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5616800e89511462583face06d2d0be
https://resolver.caltech.edu/CaltechAUTHORS:20190305-082645109
https://resolver.caltech.edu/CaltechAUTHORS:20190305-082645109
Autor:
Rose Marie Haynes, Charli M. Sakari, Hanah Joudi, Olivia Corrin, Spencer Schiefelbein, Christoper Evan Davis, Donna Le, Brianna Lacy, Joanne Hughes, George Wallerstein
We present new SDSS and Washington photometry of the young, outer-halo stellar system, Segue 3. Combined with archival VI-observations, our most consistent results yield: $Z=0.006$, $\log(Age)=9.42$, $(m-M)_0=17.35$, $E(B-V)=0.09$, with a high binary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5e9a0bf407f4acb53b9ea4b3bcd656f
Autor:
Christopher Evan Davis, Brianna Lacy, Richard I. Anderson, Elizabeth M. Farrell, Nami Mowlavi, George Wallerstein, L. Eyer, Edward F. Guinan, Meagan Albright, Adam M. Ritchey
Publikováno v:
Publications of the Astronomical Society of the Pacific. 131:094203
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abb9d1ddf7a9472cab2c886a56205261
https://doi.org/10.1088/1538-3873/ab1ec2
https://doi.org/10.1088/1538-3873/ab1ec2