F
F. R. Harnden
Researcher at Harvard University
Publications - 101
Citations - 4843
F. R. Harnden is an academic researcher from Harvard University. The author has contributed to research in topics: Stars & Luminosity. The author has an hindex of 34, co-authored 98 publications receiving 4718 citations. Previous affiliations of F. R. Harnden include Smithsonian Astrophysical Observatory & NASA Headquarters.
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Journal ArticleDOI
Chandra Orion Ultradeep Project: Observations and Source Lists
Konstantin V. Getman,Ettore Flaccomio,Patrick S. Broos,Nicolas Grosso,Masahiro Tsujimoto,Leisa K. Townsley,Gordon P. Garmire,Joel H. Kastner,Jingqiang Li,F. R. Harnden,Scott J. Wolk,Stephen S. Murray,Charles J. Lada,August Muench,Mark J. McCaughrean,Gwendolyn Meeus,Francesco Damiani,Giuseppina Micela,Salvatore Sciortino,John Bally,Lynne A. Hillenbrand,William Herbst,Thomas Preibisch,Eric D. Feigelson +23 more
TL;DR: The Chandra Orion Ultradeep Project (COUP) as discussed by the authors provides the most uniform and comprehensive data set on the X-ray emission of normal stars ever obtained in the history of Xray astronomy.
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The Einstein /HEAO 2/ X-ray Observatory
Riccardo Giacconi,G. Branduardi,Ulrich G. Briel,A. Epstein,Daniel G. Fabricant,E. D. Feigelson,William R. Forman,Paul Gorenstein,J. E. Grindlay,H. Gursky,F. R. Harnden,J. P. Henry,C. Jones,E. M. Kellogg,D. Koch,S. S. Murray,Ethan J. Schreier,F. D. Seward,Harvey Tananbaum,K. Topka,L. van Speybroeck,Stephen S. Holt,Robert H. Becker,Elihu Boldt,Peter J. Serlemitsos,George W. Clark,Claude R. Canizares,Thomas H. Markert,Robert Novick,D. J. Helfand,Knox S. Long +30 more
TL;DR: The Einstein X-ray Observatory (HEAO 2) as mentioned in this paper is a fully imaging focusing Xray telescope with an angular resolution of a few arc sec, a field of view of up to one deg, and a sensitivity several hundred times greater than previously available in any Xray astronomy experiment.
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Results from an extensive Einstein stellar survey.
G. S. Vaiana,J. P. Cassinelli,Giuseppina Fabbiano,Riccardo Giacconi,Leon Golub,Paul Gorenstein,B. M. Haisch,F. R. Harnden,H. Johnson,Jeffrey L. Linsky,C. W. Maxson,R. Mewe,Robert Rosner,F. D. Seward,K. Topka,C. Zwaan +15 more
TL;DR: The preliminary results of the Einstein Observatory stellar X-ray survey are presented in this article, showing that stars in general constitute a pervasive class of low-luminosity galactic Xray sources.
Journal ArticleDOI
Stellar Activity on the Young Suns of Orion: COUP Observations of K5-7 Pre-Main Sequence Stars
Scott J. Wolk,F. R. Harnden,F. R. Harnden,Ettore Flaccomio,Giuseppina Micela,Fabio Favata,Hsien Shang,Eric D. Feigelson +7 more
TL;DR: In this article, a study of the X-ray properties of a well-defined sample of 28 solar-mass ONC stars based on Chandra Orion Ultradeep Project (COUP) data is presented.