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Start Date:1956
Creator:Papers of Woodruff T. Sullivan III
Series:Collected Publications Series
Unit:Books Unit
Type:Text
Description:In Russian
Start Date:2001
Creator:Papers of Kenneth I. Kellermann
Series:Conferences and Talks Series
Unit:Talks Unit
Type:Text
Start Date:1953?
Creator:Papers of Grote Reber
Series:Correspondence Series
Unit:Research Corporation Correspondence Unit
Subunit:Miscellaneous Research Corporation Material Subunit
Type:Text
Creator:Papers of Kenneth I. Kellermann
Series:Conferences and Talks Series
Unit:Talks Unit
Type:Text
Start Date:1997
Creator:Papers of Kenneth I. Kellermann
Series:Conferences and Talks Series
Unit:Talks Unit
Type:Text
Start Date:1974
Creator:Papers of Woodruff T. Sullivan III
Series:Collected Publications Series
Unit:Bibliographies Unit
Type:Text
Description:Bibliography covers 1952-1974
Start Date:1990
Creator:Papers of Kenneth I. Kellermann
Series:Conferences and Talks Series
Unit:Talks Unit
Type:Text
Start Date:1965
Creator:Papers of John W. Findlay
Series:NRAO Instruments and Projects Series
Unit:Very Large Array (VLA) Unit
Type:Text
Subject:Instruments--Very Large Array (VLA)
Creator:Papers of Kenneth I. Kellermann
Series:Conferences and Talks Series
Unit:Talks Unit
Type:Text
Start Date:1984
Creator:Papers of Kenneth I. Kellermann
Series:Conferences and Talks Series
Unit:Talks Unit
Type:Text
Creator:Papers of Kenneth I. Kellermann
Series:Conferences and Talks Series
Unit:Talks Unit
Type:Text
Start Date:1952-04-26
Creator:Papers of Grote Reber
Series:Newspaper and Magazine Clippings
Unit:Miscellaneous Newspaper and Magazine Clippings
Type:Text
Description:Jodrell Bank telescope
Start Date:1952-04-26
Creator:Papers of Grote Reber
Series:Newspaper and Magazine Clippings Series
Unit:Miscellaneous Newspaper and Magazine Clippings Unit
Type:Text
Creator:Legacy Astronomical Images
Series:Active Galactic Nuclei Series
Unit:Radio Galaxies Unit
Type:Legacy Astronomical Image
Description:VLBA 2 cm image of the radio galaxy 0402+379, which hosts two active supermassive black holes at its center. The location of each supermassive black hole is indicated on the image by an artist's conception of an accretion disk with narrow twin jets. These results are based upon multi-epoch, multi-frequency monitoring with the VLBA. The projected separation between the two black holes is 7.3 parsecs, making this the most compact binary black hole pair yet found by more than two orders of magnitude. The combined mass of the system is estimated at ~1.5 x 10^8 solar masses, and assuming equal masses the orbital period is 150,000 years. Though gravitational radiation from this system is not yet enough to cause the orbit to decay, the discovery of this system has implications for the number of compact binary black holes that might be detectable sources of gravitational radiation. [show more]
Start Date:1993
Creator:Papers of Donald C. Backer
Series:Radio Astronomy Research Series
Unit:Pulsars Unit
Description:Notes
Start Date:1960-10
End Date:1960-12
Creator:Papers of David S. Heeschen
Series:Scientific Research Series
Unit:Discrete Sources Research
Type:Text
Start Date:1978-05-20
End Date:1987-12-14
Creator:Papers of Bernard F. Burke
Series:Radio Astronomy Research Series
Type:Text
Description:Correspondence, figures, viewgraphs, preprints, observation applications, reports
Start Date:1979-05-31
Creator:Papers of Kenneth I. Kellermann
Series:Kellermann Publications Series
Unit:Star Noise Unit
Type:Text
Description:Article from Nature on the subject by D. Walsh, R. F. Carswell and R. J. Weymann, 31 May 1979. Also includes a brief article by F. G. Smith commending the discovery
Start Date:1981-08-14
End Date:1983-11-15
Creator:Papers of Bernard F. Burke
Series:Radio Astronomy Research Series
Type:Text
Description:Report, figures, reprints, preprint (Burke preprint)
Start Date:1985
Creator:Papers of Bernard F. Burke
Series:Burke Publications Series
Type:Text
Description:Reprints and figures
Start Date:1988-02-02
Creator:Papers of Bernard F. Burke
Series:Radio Astronomy Research Series
Type:Text
Description:Correspondence, preprints, figures, notes
Start Date:1985-02-10
End Date:1985-02-11
Creator:Papers of Bernard F. Burke
Series:Radio Astronomy Research Series
Type:Text
Description:Computer data, figures, notes
Creator:Papers of Bernard F. Burke
Series:Photographs Series
Type:Still Image
Description:Undated figure
Start Date:1986
Creator:Papers of Kenneth I. Kellermann
Series:Kellermann Publications Series
Unit:Star Noise Unit
Type:Text
Description:Write up of a speech given by Dennis Walsh, n.d. but sometime after 1986 based on citations
Start Date:Feb-49
Creator:Papers of Kenneth I. Kellermann
Series:Kellermann Publications Series
Unit:Star Noise Unit
Type:Text
Description:From The Radio-Frequency Link-Spectrum of Atomic Hydrogen early publication of findings for the Council for Scientific and Industrial Research by J. P. Wild, February 1949. Includes five unnumbered pages of front matters and figures.