Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Mahajan, Alexandra S."'
Autor:
Mansfield, Megan Weiner, Xue, Qiao, Zhang, Michael, Mahajan, Alexandra S., Ih, Jegug, Koll, Daniel, Bean, Jacob L., Coy, Brandon Park, Eastman, Jason D., Kempton, Eliza M. -R., Kite, Edwin S., Lunine, Jonathan
A primary science goal for JWST is to detect and characterize the atmospheres of terrestrial planets orbiting M dwarfs (M-Earths). The existence of atmospheres on M-Earths is highly uncertain because their host stars' extended history of high XUV irr
Externí odkaz:
http://arxiv.org/abs/2408.15123
Autor:
Xue, Qiao, Bean, Jacob L., Zhang, Michael, Mahajan, Alexandra S., Ih, Jegug, Eastman, Jason D., Lunine, Jonathan I., Mansfield, Megan Weiner, Coy, Brandon P., Kempton, Eliza M. -R., Koll, Daniel D., Kite, Edwin S.
We present thermal emission measurements of GJ 1132b spanning 5--12 um obtained with the Mid-Infrared Instrument Low-Resolution Spectrometer (MIRI/LRS) on the James Webb Space Telescope (JWST). GJ 1132b is an M-dwarf rocky planet with Teq=584 K and a
Externí odkaz:
http://arxiv.org/abs/2408.13340
Autor:
Nixon, Matthew C., Piette, Anjali A. A., Kempton, Eliza M. -R., Gao, Peter, Bean, Jacob L., Steinrueck, Maria E., Mahajan, Alexandra S., Eastman, Jason D., Zhang, Michael, Rogers, Leslie A.
Recent JWST observations of the sub-Neptune GJ 1214 b suggest that it hosts a high-metallicity (>100x solar), hazy atmosphere. Emission spectra of the planet show molecular absorption features, most likely due to atmospheric H2O. In light of this new
Externí odkaz:
http://arxiv.org/abs/2407.12079
Publikováno v:
2024ApJ...963L..37M
Using JWST observations of a primary transit and two secondary eclipses for GJ 1214b, we determine an eccentricity that is more precise than a decade of HARPS data, which enables us to measure the stellar density to 2.62%. Coupled with a prior on the
Externí odkaz:
http://arxiv.org/abs/2402.05991