Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Ribeiro, Valério"'
Autor:
Barbosa, Domingos, Coelho, Bruno, Bergano, Miguel, Alves, Constança, Correia, Alexandre C. M., Cupido, Luís, Freitas, José, Gonçalves, Luís, Grossan, Bruce, Guerman, Anna, Almeida Jr., Allan K. de, Maia, Dalmiro, Morgado, Bruno, Pandeirada, João, Ribeiro, Valério, Rosa, Gonçalo, Smoot, George, Vaillant, Timothée, Villela, Thyrso, Wuensche, Carlos Alexandre
The Pampilhosa da Serra Space Observatory (PASO) is located in the center of the continental Portuguese territory, in the heart of a certified Dark Sky destination by the Starlight Foundation (Aldeias do Xisto) and has been an instrumental asset to a
Externí odkaz:
http://arxiv.org/abs/2404.04090
Autor:
Nyamai, Miriam M., Linford, Justin D., Allison, James R., Chomiuk, Laura, Woudt, Patrick A., Ribeiro, Valério A. R. M., Sarbadhicary, Sumit K.
We present radio observations of the symbiotic recurrent nova V3890 Sagitarii following the 2019 August eruption obtained with the MeerKAT radio telescope at 1.28 GHz and Karl G. Janksy Very Large Array (VLA) at 1.26 to 5 GHz. The radio light curves
Externí odkaz:
http://arxiv.org/abs/2301.09116
Autor:
Naito, Hiroyuki, Tajitsu, Akito, Ribeiro, Valèrio A. R. M., Arai, Akira, Maehara, Hiroyuki, Kouzuma, Shinjirou, Iijima, Takashi, Okazaki, Atsuo T., Watanabe, Makoto, Takagi, Seiko, Watanabe, Fumitake, Sakon, Itsuki, Sadakane, Kozo
Morphology of nova ejecta is essential for fully understanding the physical processes involved in nova eruptions. We studied the 3D morphology of the expanding ejecta of the extremely slow nova V1280 Sco with a unique light curve. Synthetic line prof
Externí odkaz:
http://arxiv.org/abs/2205.02266
Autor:
Barbosa, Domingos, Coelho, Bruno, Bergano, Miguel, Magalhães, Catarina, Mendonça, David, Silva, Daniela, Correia, Alexandre C. M., Pandeirada, João, Ribeiro, Valério, Esposito, Thomas, Marchis, Franck
Astrotourism and related citizen science activities are becoming a major trend of a sustainable, high-quality tourism segment, core elements to the protection of Dark skies in many countries. In the Summer of 2020, in the middle of COVID pandemics, w
Externí odkaz:
http://arxiv.org/abs/2111.03458
Autor:
Pandeirada, João, Bergano, Miguel, Marques, Paulo, Barbosa, Domingos, Coelho, Bruno, Ribeiro, Valério, Freitas, José, Nunes, Domingos, Eduardo, José
The increase in space debris is a threat to space assets, space based-operations and led to a common effort to develop programs for dealing with this increase. As part of the Portuguese Space Surveillance and Tracking (SST) project, led by the Portug
Externí odkaz:
http://arxiv.org/abs/2111.02232
Autor:
Chomiuk, Laura, Linford, Justin D., Aydi, Elias, Bannister, Keith W., Krauss, Miriam I., Mioduszewski, Amy J., Mukai, Koji, Nelson, Thomas J., Rupen, Michael P., Ryder, Stuart D., Sokoloski, Jennifer L., Sokolovsky, Kirill V., Strader, Jay, Filipovic, Miroslav D., Finzell, Tom, Kawash, Adam, Kool, Erik C., Metzger, Brian D., Nyamai, Miriam M., Ribeiro, Valerio A. R. M., Roy, Nirupam, Urquhart, Ryan, Weston, Jennifer
We present radio observations (1--40 GHz) for 36 classical novae, representing data from over five decades compiled from the literature, telescope archives, and our own programs. Our targets display a striking diversity in their optical parameters (e
Externí odkaz:
http://arxiv.org/abs/2107.06251
Autor:
Barbosa, Domingos, Coelho, Bruno, Antón, Sonia, Bergano, Miguel, Boekholt, Tjarda, Correia, Alexandre C. M., Maia, Dalmiro, Pandeirada, João, Ribeiro, Valério, Adams, Jason, Barraca, João Paulo, Gomes, Diogo, Morgado, Bruno
Radio astronomy and Space Infrastructures in the Azores have a great scientific and industrial interest because they benefit from a unique geographical location in the middle of the North Atlantic allowing a vast improvement in the sky coverage. This
Externí odkaz:
http://arxiv.org/abs/2107.03437
Autor:
Coelho, Bruno, Barbosa, Domingos, Bergano, Miguel, Correia, A. C. M., Freitas, José, Marques, Paulo, Pandeirada, João, Ribeiro, Valério
As part of the Portuguese Space Surveillance and Tracking (SST) System, two new Wide Field of View (2.3deg x 2.3deg) small aperture (30cm) telescopes will be deployed in 2021, at the Pampilhosa da Serra Space Observatory (PASO), located in the center
Externí odkaz:
http://arxiv.org/abs/2107.02315
Autor:
Pandeirada, João, Bergano, Miguel, Marques, Paulo, Barbosa, Domingos, Freitas, José, Coelho, Bruno, Ribeiro, Valério
ATLAS is the first Portuguese radar system that aims to detect space debris. The article introduces the system and provides a brief description of its capabilities. The system is capable of synthesizing arbitrary amplitude modulated pulse shapes with
Externí odkaz:
http://arxiv.org/abs/2107.02311
Autor:
Pandeirada, João, Bergano, Miguel, Neves, João, Marques, Paulo, Barbosa, Domingos, Coelho, Bruno, Ribeiro, Valério
Publikováno v:
Signals 2021, 2(1), 122-13, Published: 9 March 2021
Currently, space debris represents a threat for satellites and space-based operations, both in-orbit and during the launching process. The yearly increase in space debris represents a serious concern to major space agencies leading to the development
Externí odkaz:
http://arxiv.org/abs/2102.10457