Jamie is an experienced science, technology and travel journalist and stargazer who writes about exploring the night sky, solar and lunar eclipses, moon-gazing, astro-travel, astronomy and space exploration. He is the editor of WhenIsTheNextEclipse.com and author of A Stargazing Program For Beginners.
The scientists' new findings suggest that meteorological satellites could be used as space telescopes for astronomy."It enables us to obtain high-cadence time series of mid-infrared images, which are hard to acquire with the usual astronomical instruments," reads the paper. As well as not being able to record near-infrared data, ground-based telescopes lose sight of some stars for a few months as the sun drifts in front of them.
"This is a possibility I haven't seen explored much previously," Emily Levesque, author of"The Last Stargazers" and an astronomer focused on red supergiant stars at the University of Washington who was not involved in the new research, told Space.com. "It certainly depends in part on serendipity, but observations like these could prove to be a fabulous resource for bright, nearby red supergiants," she said."Particularly since they could complement the upcoming capabilities of theObserving stars in the mid-infrared is the best means of directly observing emission from dust around them, Levesque noted, because it can help create a multi-wavelength picture of massive stars and their evolution.
"The mid-infrared has also historically been difficult to observe," she said, adding that NASA's soon-to-be decommissionedairborne observatory has filled a gap while JWST will soon become an invaluable mid-infrared resource."Combined with creative solutions like the ones presented in this paper we'll hopefully continue to build a much clearer view of red supergiants in this wavelength range in the coming years.
The authors have already begun using Himawari-8's data for other stellar projects."I believe that our concept of using a meteorological satellite as a space telescope is useful for several kinds of topics in astronomy, especially in time-domain stellar astrophysics," Taniguchi said, referring to the emerging area focused on how astronomical objects change over time.
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