Intraday variability in quasars and BL Lac objects
SJ Wagner, A Witzel - Annual Review of Astronomy and …, 1995 - annualreviews.org
Active galactic nuclei with flat radio spectra exhibit significant variations of continuum flux
density on time scales of days or less throughout the entire wavelength range. These rapid …
density on time scales of days or less throughout the entire wavelength range. These rapid …
Astronomical radio interferometry
Y Asaki, B Alcalde Pampliega, PG Edwards… - Nature Reviews …, 2023 - nature.com
Radio interferometry and its application to arrays of element antennas enable sensitive
studies of celestial objects with angular resolutions comparable with, or surpassing, optical …
studies of celestial objects with angular resolutions comparable with, or surpassing, optical …
“RadioAstron”-A telescope with a size of 300 000 km: Main parameters and first observational results
NS Kardashev, VV Khartov, VV Abramov, VY Avdeev… - Astronomy Reports, 2013 - Springer
Abstract The Russian Academy of Sciences and Federal Space Agency, together with the
participation of many international organizations, worked toward the launch of the …
participation of many international organizations, worked toward the launch of the …
The black hole explorer: Instrument system overview
DP Marrone, J Houston, K Akiyama, B Bilyeu… - arxiv preprint arxiv …, 2024 - arxiv.org
The Black Hole Explorer (BHEX) is a space very-long-baseline interferometry (VLBI) mission
concept that is currently under development. BHEX will study supermassive black holes at …
concept that is currently under development. BHEX will study supermassive black holes at …
Overview and initial results of the very long baseline interferometry space observatory programme
H Hirabayashi, H Hirosawa, H Kobayashi, Y Murata… - Science, 1998 - science.org
High angular resolution images of extragalactic radio sources are being made with the
Highly Advanced Laboratory for Communications and Astronomy (HALCA) satellite and …
Highly Advanced Laboratory for Communications and Astronomy (HALCA) satellite and …
RadioAstron Space VLBI Imaging of the Jet in M87. I. Detection of High Brightness Temperature at 22 GHz
We present results from the first 22 GHz space very long baseline interferometric (VLBI)
imaging observations of M87 by RadioAstron. As a part of the Nearby AGN Key Science …
imaging observations of M87 by RadioAstron. As a part of the Nearby AGN Key Science …
The VLBI space observatory programme and the radio-astronomical satellite HALCA
H Hirabayashi, H Hirosawa, H Kobayashi… - Publications of the …, 2000 - academic.oup.com
The radio astronomy satellite HALCA was launched by the Institute of Space and
Astronautical Science in 1997 February to participate in Very Long Baseline Interferometry …
Astronautical Science in 1997 February to participate in Very Long Baseline Interferometry …
[HTML][HTML] Overview of the observing system and initial scientific accomplishments of the East Asian VLBI Network (EAVN)
The East Asian VLBI Network (EAVN) is an international VLBI facility in East Asia and is
operated under mutual collaboration between East Asian countries, as well as part of …
operated under mutual collaboration between East Asian countries, as well as part of …
The development of high-resolution imaging in radio astronomy
KI Kellermann, JM Moran - Annual Review of Astronomy and …, 2001 - annualreviews.org
▪ Abstract Since the first radio astronomy observations in the 1930s, the angular resolution of
radio telescopes has improved from tens of degrees to better than one thousandth of a …
radio telescopes has improved from tens of degrees to better than one thousandth of a …
THEZA: TeraHertz Exploration and Zooming-in for Astrophysics: An ESA Voyage 2050 White Paper
This paper presents the ESA Voyage 2050 White Paper for a concept of TeraHertz
Exploration and Zooming-in for Astrophysics (THEZA). It addresses the science case and …
Exploration and Zooming-in for Astrophysics (THEZA). It addresses the science case and …