Results 41 to 50 of about 2,509,689 (140)

6U CubeSat for Ultraviolet Time-Domain Astronomy [PDF]

, 2019
A wide-field ultraviolet observatory for time-domain astronomy utilizing 6U CubeSat is presented. Ultraviolet waveband is one of the unexplored fields in astronomy.
Sasaki, Kenichi, Nakashima, Tsuyoshi, Miyamoto, Kiyona, Yatsu, Yoichi, Ando, Hiroki, Kulkarni, Shrinivas, Matunaga, Saburo, Kawai, Nobuyuki   +7 more
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A Multiwavelength Survey of Nearby M Dwarfs: Optical and Near-ultraviolet Flares and Activity with Contemporaneous TESS, Kepler/K2, Swift, and HST Observations

The Astrophysical Journal
We present a comprehensive multiwavelength investigation into flares and activity in nearby M dwarf stars. We leverage the most extensive contemporaneous data set obtained through the Transiting Exoplanet Sky Survey, Kepler/K2, the Neil Gehrels Swift ...
Rishi R. Paudel, Thomas Barclay, Allison Youngblood, Elisa V. Quintana, Joshua E. Schlieder, Laura D. Vega, Emily A. Gilbert, Rachel A. Osten, Sarah Peacock, Isaiah I. Tristan, Dax L. Feliz, Patricia T. Boyd, James R. A. Davenport, Daniel Huber, Adam F. Kowalski, Teresa Monsue, Michele L. Silverstein   +16 more
doaj   +1 more source

The LUVOIR Ultraviolet Multi-Object Spectrograph (LUMOS): Instrument Definition and Design

, 2017
22 pages, 16 figures. Proc SPIE 2017; 10397-39International audienceThe Large Ultraviolet / Optical / Infrared Surveyor (LUVOIR) is one of four large mission concepts currently undergoing community study for consideration by the 2020 Astronomy and ...
Moustakas, Leonidas A., Mccandliss, Stephan, Harris, Walter, John O'Meara, Stephan R. McCandliss, Garcia, Miriam, Evans, Christopher J., O'Meara, John, David Schiminovich, Fleming, Brian T., Bouret, Jean-Claude, Bolcar, Matthew R., Fleming, Brian, Pascucci, Ilaria, O'Meara, John M., Rigby, Jane, France, Kevin, Bolcar, Matthew, Leonidas A. Moustakas, Moustakas, Leonidas, A., Garrett J. West, Brian T. Fleming, West, Garrett, Tumlinson, Jason, Schiminovich, David, West, Garrett J., Matthew R. Bolcar, France, Kevin C., Siegmund, Oswald, Kevin C. France, Jane Rigby, Walter M. Harris, Ilaria Pascucci, Harris, Walter M., Jason Tumlinson, Mccandliss, Stephan R.   +35 more
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Near-ultraviolet Stellar Activity and Brightness Fluctuations of the Alpha Centauri AB Star System from Weeks to Decades—Inputs for Reflected-light Spectroscopy with HWO

The Astronomical Journal
We present the most comprehensive near-UV (NUV: 2550–3255 Å) activity record to date for the Alpha Centauri AB system, combining archival International Ultraviolet Explorer and Hubble Space Telescope observations spanning nearly 5 decades with new high ...
Dolon Bhattacharyya, Kevin France, Soumit Rao, Sebastian Escobar, David J. Wilson, Arika Egan, Phillip Chamberlin, A. G. Sreejith, Alexander Brown   +8 more
doaj   +1 more source

Towards the development of a SiPM-based camera for the Cherenkov Telescope Array

EPJ Web of Conferences, 2017
The Italian National Institute for Nuclear Physics (INFN) is involved in the development of a prototype for a camera based on Silicon Photomultipliers (SiPMs) for the Cherenkov Telescope Array (CTA), a new generation of telescopes for ground-based gamma ...
Ambrosi G., Bissaldi E., Di Venere L., Fiandrini E., Giglietto N., Giordano F., Ionica M., Paoletti R., Simone D., Vagelli V.   +9 more
doaj   +1 more source

Significant achievements in space astronomy 1958-1964 [PDF]

, 1966
Space astronomy developments in X-ray, gamma-ray, ultraviolet, infrared, and low-frequency radio ...

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Astronomy & Astrophysics (CAUCASUS)-VOLUME 2

, 2020
The second volume of the international scientific journal Astronomy & Astrophysics (Caucasus) contains the scientific works delivered as scientific reports by their authors at International Scientific Conference Modern Problems of Astrophysics – II ...
(CAUCASUS), Astronomy & Astrophysics
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The genesis of solar radio astronomy in Australia [PDF]

, 2006
In late 1945, O.B. Slee at RAAF Radar Station 59 near Darwin and staff from the CSIRO's Division of Radiophysics in Sydney were involved in Australia's first investigation of radio emission form the Sun.
Slee, Bruce, Orchiston, Wayne, Burman, Ron   +2 more
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Stellar Loci. VII. Photometric Metallicities of 5 Million FGK Stars Based on GALEX GR6+7 AIS and Gaia EDR3

The Astrophysical Journal Supplement Series
We combine photometric data from GALEX GR6+7 All-Sky Imaging Survey and Gaia Early Data Release 3 with stellar parameters from the SAGA and PASTEL catalogs to construct high-quality training samples for dwarfs (0.4 < BP − RP < 1.6) and giants (0.6 < BP −
Xue Lu, Haibo Yuan, Shuai Xu, Ruoyi Zhang, Kai Xiao, Yang Huang, Timothy C. Beers, Jihye Hong   +7 more
doaj   +1 more source

Infrared fibres in astronomical instrumentation [PDF]

, 1995
For several years multi-object spectroscopy systems have been available for carrying out survey work in the visible region, but until very recently there has not been a system for the near infrared region.
Haynes, Roger
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