Articles with "faint" as a keyword



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Improved detection of faint streaks based on a streak-like spatial filter

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Published in 2020 at "Advances in Space Research"

DOI: 10.1016/j.asr.2019.10.006

Abstract: Abstract This paper presents an algorithm to detect very faint object streaks on CCD images acquired with an optical system. The proposed detection method uses image filters simulating the geometrical form and orientation of possible… read more here.

Keywords: improved detection; detection; image; filter ... See more keywords
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Absolving the SSINS of Precision Interferometric Radio Data: A New Technique for Mitigating Faint Radio Frequency Interference

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Published in 2019 at "Publications of the Astronomical Society of the Pacific"

DOI: 10.1088/1538-3873/ab3cad

Abstract: We introduce a new pipeline for analyzing and mitigating radio frequency interference (RFI), which we call Sky-Subtracted Incoherent Noise Spectra (SSINS). SSINS is designed to identify and remove faint RFI below the single baseline thermal… read more here.

Keywords: frequency interference; frequency; radio; radio frequency ... See more keywords
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Spectroscopic survey of faint planetary-nebula nuclei. II. The subdwarf O central star of Fr 2-30

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Published in 2023 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stad1624

Abstract: Fr 2-30 = PN? G126.8−15.5 is a faint emission nebula, hosting a 14th-mag central star that we identify here for the first time. Deep Hα and [O iii] images reveal a roughly elliptical nebula with dimensions of… read more here.

Keywords: faint; star; central star; spectroscopic survey ... See more keywords
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On the nature of infrared-faint radio sources in the Subaru X-ray Deep and Very Large Array-VIMOS VLT Deep Survey fields

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Published in 2017 at "Monthly Notices of the Royal Astronomical Society"

DOI: 10.1093/mnras/stx1536

Abstract: Infrared-Faint Radio Sources (IFRSs) are an unusual class of objects that are relatively bright at radio wavelengths but have faint or undetected infrared counterparts even in deep surveys. We identify and investigate the nature of… read more here.

Keywords: radio; infrared faint; ifrss; faint radio ... See more keywords