Identifying black holes through space telescopes and deep learning
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review D"
DOI: 10.1103/physrevd.110.063011
Abstract: The EHT has captured a series of images of black holes. These images could provide valuable information about the gravitational environment near the event horizon. However, accurate detection and parameter estimation for candidate black holes… read more here.
Keywords: space telescopes; black holes; identifying black; parameter estimation ... See more keywords
Fiber-Connected Wavefront-Sensing System for Large Segmented Space Telescopes
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2023.3271985
Abstract: A metrology system capable of cofocusing and cophasing is essential to ensure the performance of large segmented space telescopes, similar to that of monolithic telescopes, as well as to image the faintest galaxies. A fiber-linked–wavefront-sensing… read more here.
Keywords: system; space; space telescopes; segmented space ... See more keywords
Characterization technique for high-resolution mirror repositioning hexapod mechanism for space telescopes
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.10.3.034002
Abstract: Abstract. The mirror repositioning system is one critical system in large-size deployable space telescopes that aids in correcting errors in mirror orientation once deployed. Stewart mechanism is employed for reorienting the mirror due to its… read more here.
Keywords: mirror; mirror repositioning; system; space telescopes ... See more keywords
Composite formation flying strategy for distributed space telescopes with an ultralarge aperture
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Astronomical Telescopes, Instruments, and Systems"
DOI: 10.1117/1.jatis.6.2.027002
Abstract: Abstract. There is increasing demand for space telescopes with ultralarge apertures in the order of 100 to 1000 m for space exploration. It is difficult to expand a space telescope beyond 100 m because of… read more here.
Keywords: space telescopes; formation; telescopes ultralarge; strategy ... See more keywords
Field diversity phase retrieval method for wavefront sensing in monolithic mirror space telescopes.
Sign Up to like & getrecommendations! Published in 2017 at "Applied optics"
DOI: 10.1364/ao.56.004224
Abstract: To guarantee the uniqueness of the solution for the wavefront phase, a series of intensity images with known phase diversities is usually needed in the current phase retrieval wavefront sensing methods. However, to obtain these… read more here.
Keywords: wavefront sensing; phase; diversity; method ... See more keywords
The Purport of Space Telescopes in Supernova Research
Sign Up to like & getrecommendations! Published in 2023 at "Universe"
DOI: 10.3390/universe9060244
Abstract: The violent stellar explosions known as supernovae have received especially strong attention in both the research community and the general public recently. With the advent of space telescopes, the study of these extraordinary events has… read more here.
Keywords: telescopes supernova; purport space; space; space telescopes ... See more keywords