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Autor:
Sridharan Tirupati Kumara
This presentation discusses the advantages SOFIA offers for sub-mm VLBI in atmospheric transmission windows. ALMA-SOFIA VLBI at 690 GHz opens opportunities for observing the M87 supermassive black hole photon ring and may be the only way to achieve t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20af6fafd788abe04ad0063e25ec3fd9
Autor:
Sridharan Tirupati Kumara
This presentation discusses the advantages SOFIA offers for sub-mm VLBI in atmospheric transmission windows. ALMA-SOFIA VLBI at 690 GHz opens opportunities for observing the M87 supermassive black hole photon ring and may be the only way to achieve t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34f5949d5e939c4ef3fc1a85165e99a3
Autor:
Sridharan Tirupati Kumara
The science opportunities, prospects and possibilities for sub-mm-wave/THz astronomy from the Himalayas will be discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4225a41f33925d2046eb2aca7f5c2c9f
Autor:
Sridharan Tirupati Kumara
Progress in the understanding of astrophysical phenomena requires increased access to observational parameter space. The Millimeter to Terahertz wavelength bands bridge the gap between radio and infrared regions. Interferometric observations in these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e60a6a7c53055b07ebc9f000cdc5e8d
Autor:
Sridharan Tirupati Kumara
The current holographic measurement system at the Submillimeter Array (SMA) uses vector voltmeters (VVM) as backends with the capability to measure two antennas simultaneously. A complete measurement of the full complement of 8 antennas of the array
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d1b8472d13e260dfb2c3f65b1cfdcbf
Autor:
Coyle, Laura E., Matsuura, Shuji, Perrin, Marshall D., Kurczynski, Peter, Johnson, Michael D., Doeleman, Sheperd S., Haworth, Kari, Peretz, Eliad, Sridharan, Tirupati Kumara, Bilyeu, Byran, Blackburn, Lindy, Boroson, Don, Brosius, Alexandra, Butler, Richard, Caplan, Dave, Chatterjee, Koushik, Cheimets, Peter, D'Orazio, Daniel, Essinger-Hileman, Thomas, Galison, Peter, Gamble, Ronald, Hadar, Shahar, Hoerbelt, Tiffany, Jiao, Hua, Kauffmann, Jens, Lafon, Robert, Ma, Chung-Pei, Melnick, Gary, Newbury, Nathan R., Noble, Scott, Palumbo, Daniel, Paritsky, Lenny, Pesce, Dominic, Petrov, Leonid, Piepmeier, Jeff, Roberts, Christopher J., Robinson, Bryan, Shieler, Curt, Small, Jeffrey, Spellmeyer, Neal, Tiede, Paul, Verniero, Jaye, Wang, Jade, Wielgus, Maciek, Wollack, Ed, Wong, George N., Yang, Guangning
Publikováno v:
Proceedings of SPIE; August 2022, Vol. 12180 Issue: 1 p121800M-121800M-10, 12058211p
We have carried out survey observations of molecular emission lines from HC$_{3}$N, N$_{2}$H$^{+}$, CCS, and cyclic-C$_{3}$H$_{2}$ in the 81$-$94 GHz band toward 17 high-mass starless cores (HMSCs) and 28 high-mass protostellar objects (HMPOs) with t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85f85ba99be9af31e631d3d7cd151dcc
Publikováno v:
The Astrophysical Journal. 687:L41-L44
The Huygens probe landed in a damp lake bed fed by fluvial channels, indicative of past rainfall. Such washes, interspersed with vast dunes, are typical of Titan's tropical landscape. Yet, Cassini-Huygens measurements reveal a highly stable tropical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ca5416e59ae07052a2c5f81d080761b
https://doi.org/10.1086/593117
https://doi.org/10.1086/593117
Near-field holographic antenna measurements at millimeter and sub-millimeter wavelengths, at the highest ever frequencies (230, 345 & 682GHz)have been used to characterize the 6 m antennas ofthe 8-element SubmillimeterArray, the first interferometric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba58d81d0f110900b1a010d2bee67e97