activity
19962025
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations · 54.6k across the 721 of their papers we have counts for

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Showing 1999Show all

6 papers · 1 filter

astro-ph1999★ 35 cited

A Submillimeter HCN Laser in IRC+10216

Peter Schilke, David M. Mehringer, Karl M. Menten

We report the detection of a strong submillimeter wavelength HCN laser line at a frequency near 805 GHz toward the carbon star IRC+10216. This line, the J=9-8 rotational transition…

astro-ph1999★ 4 cited

Polarisation Observations of Gravitational Lenses

A. R. Patnaik, K. M. Menten, R. W. Porcas +1

We present multi-frequency VLA polarisation observations of nine gravitational lenses. The aim of these observations was to determine Faraday rotation measures (RM) for the individ…

astro-ph1999

Studying High Redshift Star Forming Galaxies at Centimeter and Millimeter Wavelengths

C. L. Carilli, K. M. Menten, M. S. Yun +3

We discuss various aspects of centimeter and millimeter wavelength continuum and line observations of high redshift star forming galaxies. Perhaps the most important lesson is that…

astro-ph1999★ 10 cited

Proposed identification of Hubble Deep Field submillimeter source HDF 850.1

D. Downes, R. Neri, A. Greve +23

The IRAM interferometer has been used to detect the submm source HDF 850.1 found by Hughes et al. (1998) in the Hubble Deep Field. The flux density measured at 1.3mm is 2.2 mJy, in…

astro-ph1999★ 39 cited

Detection of CO (2-1) and Radio Continuum Emission from the z = 4.4 QSO BRI 1335-0417

Christopher L. Carilli, Karl M. Menten, Min Su Yun

We have detected redshifted CO (2-1) emission at 43 GHz and radio continuum emission at 1.47 and 4.86 GHz from the z = 4.4 QSO BRI 1335-0417 using the Very Large Array. The CO data…

astro-ph1999★ 133 cited

Hot gas and dust in a protostellar cluster near W3(OH

Friedrich Wyrowski, Peter Schilke, C. Malcolm Walmsley +1

We used the IRAM Interferometer to obtain sub-arcsecond resolution observations of the high-mass star-forming region W3(OH) and its surroundings at a frequency of 220 GHz. With the…