Results 141 to 150 of about 20,006 (198)

JWST interferometric imaging reveals the dusty torus obscuring the supermassive black hole of Circinus galaxy. [PDF]

open access: yesNat Commun
Lopez-Rodriguez E   +8 more
europepmc   +1 more source

Stochastic analysis of compact stars under composite polytropes. [PDF]

open access: yesSci Rep
Nouh MI   +3 more
europepmc   +1 more source

A Faint Progenitor System for the Faint Supernova 2024vjm

open access: yes
Zimmerman E   +69 more
europepmc   +1 more source

Radio Astronomy Receivers

IEEE Transactions on Military Electronics, 1964
A general survey of the principles of radio astronomy receivers is presented. System noise temperature, the sensitivity of different receiver types, and the calibration of receivers are studied. A total-power receiver is analyzed as a basic radio telescope receiver and.
exaly   +4 more sources

Radio Astronomy

Science, 1964
Contains reports on two research projects. ; United States Air Force (Contract AF19(628)-500) ; National Aeronautics and Space Administration (Grants NsG-250-62 and NsG-419) ; Lincoln Laboratory (Purchase Order DDL BB-107)
Barrett, Alan H., Staelin, David H.
  +7 more sources

Home - About - Disclaimer - Privacy