Results 131 to 140 of about 9,054 (229)

The latest results from the global mm VLBI array [Elektronisk resurs]

, 2012
The Global mm-VLBI Array (GMVA) is the highest angular resolution imaging interferometer currently available as a common user facility. It is capable of angular resolutions on the order of 40 microarcseconds.
Bremer, M.,, Jorstad, S.,, Zensus, A.J.,, Hodgson, J.,, Krichbaum, T.P.,, Lindqvist, Michael,, Marscher, A.,, Marti-Vidal, Ivan,, de Vicente, P.,   +8 more
core  

The Australian mixed-mode observing program. [PDF]

J Geod, 2022
McCallum L, Chin Chuan L, Krásná H, McCallum J, Böhm J, McCarthy T, Gruber J, Schartner M, Quick J, Rogers A.   +9 more
europepmc   +1 more source

DBBC3: VLBI at 32 Gbits per second [Elektronisk resurs]

, 2012
The project to develop the third generation of a digital backend system (DBBC3) for VLBI and other applications is presented, including an overview of the evolution of this system.
Wunderlich, M.,, Graham, D.,, Casey, Simon,, Tuccari, G.,, Roy, A.,, Bertarini, A.,, Wagner, J,,, Buttaccio, S.,, Alef, W.,, Lindqvist, Michael,, Comoretto, G.,   +10 more
core  

Milliarcsecond-resolution Radio-imaging Survey of Blazar Candidates at 4 < z < 5.4

The Astrophysical Journal Supplement Series
We present a milliarcsecond-resolution radio survey of 17 high-redshift (4 ≤ z ≤ 5.4) blazar candidates observed with the European Very Long Baseline Interferometry (VLBI) Network at 5 GHz.
Máté Krezinger, Alessandro Caccianiga, Daniele Dallacasa, Luca Ighina, Sándor Frey, Alberto Moretti, Sonia Antón, Silvia Belladitta, Claudia Cicone, Krisztina É. Gabányi, M. J. M. Marchã, Krisztina Perger   +11 more
doaj   +1 more source

Detection of a New Large Free Core Nutation Phase Jump. [PDF]

Sensors (Basel), 2022
Malkin Z, Belda S, Modiri S.
europepmc   +1 more source

Opportunities with VLBI Transmitters on Satellites

Abstract Very Long Baseline Interferometry (VLBI) transmitters on satellites are considered for future satellites of Global Navigation Satellite Systems (GNSS) as well as for the upcoming Genesis mission of the European Space Agency (ESA).
Böhm, J., Wolf, H.
openaire   +2 more sources

A ring-like accretion structure in M87 connecting its black hole and jet. [PDF]

Nature, 2023
Lu RS, Asada K, Krichbaum TP, Park J, Tazaki F, Pu HY, Nakamura M, Lobanov A, Hada K, Akiyama K, Kim JY, Marti-Vidal I, Gómez JL, Kawashima T, Yuan F, Ros E, Alef W, Britzen S, Bremer M, Broderick AE, Doi A, Giovannini G, Giroletti M, Ho PTP, Honma M, Hughes DH, Inoue M, Jiang W, Kino M, Koyama S, Lindqvist M, Liu J, Marscher AP, Matsushita S, Nagai H, Rottmann H, Savolainen T, Schuster KF, Shen ZQ, de Vicente P, Walker RC, Yang H, Zensus JA, Algaba JC, Allardi A, Bach U, Berthold R, Bintley D, Byun DY, Casadio C, Chang SH, Chang CC, Chang SC, Chen CC, Chen MT, Chilson R, Chuter TC, Conway J, Crew GB, Dempsey JT, Dornbusch S, Faber A, Friberg P, García JG, Garrido MG, Han CC, Han KC, Hasegawa Y, Herrero-Illana R, Huang YD, Huang CL, Impellizzeri V, Jiang H, Jinchi H, Jung T, Kallunki J, Kirves P, Kimura K, Koay JY, Koch PM, Kramer C, Kraus A, Kubo D, Kuo CY, Li CT, Lin LC, Liu CT, Liu KY, Lo WP, Lu LM, MacDonald N, Martin-Cocher P, Messias H, Meyer-Zhao Z, Minter A, Nair DG, Nishioka H, Norton TJ, Nystrom G, Ogawa H, Oshiro P, Patel NA, Pen UL, Pidopryhora Y, Pradel N, Raffin PA, Rao R, Ruiz I, Sanchez S, Shaw P, Snow W, Sridharan TK, Srinivasan R, Tercero B, Torne P, Traianou E, Wagner J, Walther C, Wei TS, Yang J, Yu CY.   +120 more
europepmc   +1 more source

Tsukuba VLBI Correlator

, 2013
The K5/VSSP software correlator (Figure 1), located in Tsukuba, Japan, is operated by the Geospatial Information Authority of Japan (GSI). It is fully dedicated to processing the geodetic VLBI sessions of the International VLBI Service for Geodesy and ...
Kurihara, Shinobu, Nozawa, Kentaro
core   +1 more source

Atmospheric VLBI: A method to validate long time series of water vapour content [Elektronisk resurs]

, 2009
We assess the possibility to validatetime series of the atmospheric integratedwater vapour (IWV) from GPS observations usinggeodetic VLBI at the Onsala Space Observatoryin Sweden.
Nilsson, Tobias,, Haas, Rüdiger,, Elgered, Gunnar,   +2 more
core  

Inter-Comparison of UT1-UTC from 24-Hour, Intensives, and VGOS Sessions during CONT17. [PDF]

Sensors (Basel), 2022
Raut S, Heinkelmann R, Modiri S, Belda S, Balidakis K, Schuh H.   +5 more
europepmc   +1 more source