Formulation of problem
A paramount characteristic of a tidally locked exoplanet is its permanent exposure to stellar flux from its star on the dayside, imposing a considerable temperature gradient along the planetary surface in addition to the…
Category: 2. Space
-
The Investigation of 84 TESS Totally Eclipsing Contact Binaries
Based on the eclipsing binary catalog provided by A. Prša et al., 84 totally eclipsing contact binaries with stable light curves were selected. The Transiting Exoplanet Survey Satellite light curves of these 84 targets were studied using the…
Continue Reading
-
Multiple Machine Learning as a Powerful Tool for Star Cluster Analysis
This work proposes a multiple machine learning method (MMLM) aiming to improve the accuracy and robustness of the analysis of star clusters. The MMLM performance is evaluated by applying it to the reanalysis of an old binary cluster…
Continue Reading
-
Bringing the Norma Dark Cloud to Light in X-Rays
The filamentary dark cloud complex in Norma reveals signs of active low-mass star formation including protostars, Hα emission line stars, Herbig–Haro objects, and the eruptive FU Orionis-like star V346 Nor. We present results of the first…
Continue Reading
-
On-axis Polarization Calibration of the FAST L-band 19-beam Receiver
We present the polarization calibration of the 19-beam receiver at 1420 MHz within the full illumination of the Five-hundred-meter Aperture Spherical radio Telescope from 2018 October to 2023 March. We perform spider observations to characterize…
Continue Reading
-
NASA Welcomes Senegal as Newest Artemis Accords Signatory
Senegal signed the Artemis Accords Thursday during a ceremony hosted by NASA at the agency’s headquarters in Washington, becoming the latest nation to commit to the responsible exploration of space for all humanity.
“Following a meeting…
Continue Reading
