List of Publications

                            Rita M. Sambruna


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Refereed Journals (after 2000)

  • Ho, L., Feigelson, E.D., Townsley, L., Sambruna, R.M. et al. 2001, ApJ, 549, L51, `` Detection of Nuclear X-ray Sources in Nearby Galaxies with Chandra '' ADS
  • Kaspi, S. et al. 2001, ApJ, 554, 216, `` High-resolution X-ray spectroscopy and modeling of the absorbing and emitting outflow in NGC 3783 '' ADS
  • Marshall, H., Urry, C.M., Sambruna, R.M., & Pesce, J.E. 2001, ApJ, 549, 938, `` EUVE Observations of PKS 2155--304: Variability, Spectra, and a Polarization Measurement Attempt '' ADS
  • Sambruna, R. M., Brandt, W.N., Chartas, G., Netzer, H., Kaspi, S., Garmire, G.P., Nousek, J.A., & Weaver, K.A. 2001, ApJ, 546, L9, `` X-ray imaging of the Seyfert 2 galaxy Circinus with Chandra '' ADS
  • Sambruna, R. M., Netzer, H., Kaspi, S., Brandt, W.N., Chartas, G., Garmire, G.P., Nousek, J.A., & Weaver, K.A. 2001, ApJ, 546, L13, `` High-resolution X-ray spectroscopy of the Seyfert 2 galaxy Circinus with Chandra '' ADS
  • Roy, M. et al. 2000, ApJ, 545, 758, `` The Recent High State of the BL Lac Object AO 0235 and Cross-Correlations between Optical and Radio Bands'' ADS
  • Griffiths, R.E., Ptak, A., Feigelson, E.D., Garmire, G., Townsley, L., Brandt, W.N., Sambruna, R.M., & Bregman, J.N. 2000, Science, vol. 290, pp. 1325 - 1328 ``Hot Plasma and Black Binaries in Starburst Galaxy M82'' ADS
  • Brinkmann, W., Gliozzi, M., Urry, M., Maraschi, L., & Sambruna, R.M. 2000, A&A, 362, 105, ``The soft X-ray variability of PKS 2155--304'' ADS
  • Tavecchio, F., Maraschi, L., Sambruna, R.M., & Urry, C.M. 2000, ApJ, 544, L23, ``The X-Ray Jet of PKS 0637-752: Inverse Compton Radiation from the Cosmic Microwave Background?'' ADS
  • Tavecchio, F. et al. 2000, ApJ, 543, 535, ``Gamma-ray loud quasars: A view with BeppoSAX'' ADS
  • Kaspi, S., Brandt, W.N., Netzer, H., Sambruna, R.M., et al. 2000, ApJ, 535, L17, ``Discovery of narrow X-ray absorption lines from NGC 3783 with the Chandra HETGS'' ADS
  • Sambruna, R.M., Chartas, G., Eracleous, M., Mushotzky, R.F., & Nousek, J.A. 2000, ApJ Letters, 532, L91, ``Chandra uncovers the hidden Low-Luminosity AGN in the radio galaxy Hydra A (3C 218)'' (astro-ph/0002201)
  • Sambruna, R.M. et al. 2000, ApJ, 538, 127, ``Correlated intense X-ray and TeV activity of Mkn 501 in June 1998'' (astro-ph/0002215)
  • Catanese, M. & Sambruna, R.M. 2000, ApJ, 534, L39, ``A rapid X-ray flare from Mrk 501''ADS

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  • Eracleous, M., Sambruna, R.M., & Mushotzky, R. 2000, ApJ, 537, 654, ``Hard X-ray spectra of Broad Line Radio Galaxies from the Rossi X-ray Timing Explorer'' (astro-ph/0002265)
  • Sambruna, R.M., Chou, L., & Urry, C. M. 2000, ApJ, 533, 650, ``Testing the blazar paradigm: ASCA observations of FSRQs with steep soft X-ray spectra'' (astro-ph/9912273)


Refereed Journals (before 2000; total 26 papers)



Meeting Proceedings

  • Sambruna, R.M., Eracleous, M., & Mushotzky, R.F. 2000, in Proc. of the Workshop `Life Cycles of Radiogalaxies', held at STScI, Baltimore, MD, 1999 July 15-17, eds. J.Biretta, C.O'Dea, P.Lehay, & E.Perlman, Elsevier, in press, ``Constraining the central engine of radio-loud AGN'' (astro-ph/9910513)
  • Griffiths, R., Ptak, A., Feigelson, E., Brandt, N., Bregman, J., Townsley, L., Garmire, G., & Sambruna, R. 1999, BAAS, 195, 90.06, ``Hot gas in the core of M82:  Observations with the ACIS Imager Array''  (Abstract)
  • Eracleous, M., Sambruna, R.M., & Mushotzky, R.F. 1999, BAAS, 194, 34.02, ``The Hard X-ray Spectra of Broad-Line Radio Galaxies as Observed with the Rossi X-ray Timing Explorer'' (Abstract)
  • Sambruna, R.M., Eracleous, M., & Mushotzky, R.F. 1999, BAAS, 194, 34.01, ``An X-ray spectral survey of radio-loud AGN with ASCA'' (Abstract)
  • Brandt, W.N., Gallagher, S.C., Sambruna, R.M., Mathur, S., & Yamasaki, N. 1999,  AAS HEAD 31, 23.04, ``Exploratory ASCA and SAX Observations of Broad Absorption Line Quasi-Stellar Objects'' (Abstract)
  • Padovani, P., Perlman, E., Giommi, P., Sambruna, R.M., Jones, L.R., Tzioumis, A., & Reynolds, J. 1999, `Looking Deep in the Southern Sky', Proceedings of the ESO/Australia Workshop. Held at         Sydney, Australia, 10-12 December 1997, eds. Raffaella Morganti and Warrick J. Couch. Springer-Verlag, 1999, p.187, ``The Deep X-Ray Radio Blazar Survey (DXRBS)''  (Abstract not available)

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  • Sambruna, R.M., Eracleous, M., & Mushotzky, R.F. 1998, in Proc. of the First XMM Workshop on `Science with XMM', M. Dahlem (ed.), held at ESTEC (Noordwijk, NL), 1998 Sept 30-Oct 1, ``ASCA observations of radio-loud AGN'' (astro-ph/9811017)
  • Gallagher, S.C., Brandt, W.N., Sambruna, R.M., & Mathur, S. 1998, BAAS, 193, 107.19, ``Exploratory ASCA Observations of Broad Absorption Line Quasi-Stellar Objects'' (Abstract)
  • Padovani, P., Perlman, E.S., Giommi, P., & Sambruna, R.M. 1998, BAAS, 193, 107.16, ``New Constraints on the Spectral Energy Distribution of Blazars from the Deep X-ray Radio Blazar Survey (DXRBS)'' (Abstract)
  • Urry, C.M., Sambruna, R.M., Brinkmann, W.P., & Marshall, H. 1998, `The Active X-ray Sky: Results from BeppoSAX and RXTE'. Proceedings of the Active X-ray Sky symposium, October 21-24, 1997, Rome, Italy, eds. L. Scarsi, H. Bradt, P. Giommi, and F. Fiore. Publisher: Amsterdam: Elsevier, 1998. Reprinted from: Nuclear Physics B, (Proc. Suppl.), vol. 69/1-3. ISBN: 0444829903., p.419, ``RXTE Monitoring of PKS 2155-304 in may and November 1996'' (Abstract not available)
  • Sambruna, R.M.1998, BAAS, 192, 32.07, ``Blazars: Model Constraints from High-energy Observations'' (Abstract)
  • Perlman, E.S., Padovani, P., Jones, L., Giommi, P., Tzioumis, A., Reynolds, J., & Sambruna, R.M. 1998, `New Horizons from Multi-Wavelength Sky Surveys', Proceedings of the 179th Symposium of the International Astronomical Union, held in Baltimore, USA August 26-30, 1996, Kluwer Academic Publishers, eds. Brian J. McLean, Daniel A. Golombek, Jeffrey J. E. Hayes, and Harry E. Payne, p. 310, ``The WARPS Blazar Survey'' (Abstract not available)
  • Grandi, P., Sambruna, R.M., Maraschi, L., Urry, C.M., & Mushotzky, R.F. 1997, `X-Ray Imaging and Spectroscopy of Cosmic Hot Plasmas', Proceedings of an International Symposium on X-ray Astronomy ASCA Third Anniversary, 11-14 March, 1996, Waseda University, Tokyo. eds. F. Makino and K. Mitsuda (1997), p.283, ``The High Energy Spectrum of the Radio Galaxy 3C 120'' (Abstract not available)
  • Wehrle, A., et al. 1997, Proceedings of the Fourth Compton Symposium, eds. Charles D. Dermer, Mark S. Strickman, and James D. Kurfess, Williamsburg, VA April 1997: AIP Conference Proceedings 410, p. 1417, ``Multiwavelength Observations of the February 1996 High-Energy Flare in the Blazar 3C 279'' (Abstract not available)
  • Pian, E., et al. 1997, Proceedings of the Fourth Compton Symposium, eds. Charles D. Dermer, Mark S. Strickman, and James D. Kurfess, Williamsburg, VA April 1997: AIP Conference Proceedings 410, p. 1412, ``BeppoSAX Monitoring of the BL Lac MKN 501'' (Abstract not available)
  • Sambruna, R.M., et al. 1997, BAAS, 189, 31.03, ``XTE observations of PKS 2155-304'' (Abstract)
  • Maraschi, L., Sambruna, R.M., & Urry, C.M. 1996, Proc. `Röntgenstrahlung from the Universe', eds. Zimmermann, H.U.; Trümper, J.; and Yorke, H.; MPE Report 263, p. 473, ``On the spectral energy distributions of blazars'' (Abstract not available)
  • Sambruna, R.M., Maraschi, L., & Urry, C.M. 1996, Blazar continuum variability Astronomical Society of the Pacific Conference Series 110, Proceedings of an international workshop held at Florida International University, Miami, Florida, USA, 4-7 February 1996, San Francisco: Astronomical Society Pacific, edited by H. Richard Miller, James R. Webb, and John C. Noble, p.450, ``On the Spectral Energy Distributions of Blazars'' (Abstract not available)
  • Sambruna, R.M., et al. 1996, Blazar continuum variability Astronomical Society of the Pacific Conference Series 110, Proceedings of an international workshop held at Florida International University, Miami, Florida, USA, 4-7 February 1996, San Francisco: Astronomical Society Pacific, edited by H. Richard Miller, James R. Webb, and John C. Noble, p.340, ``The High-energy Continuum of the Gamma-ray-loud Blazar PKS 0528+134'' (Abstract not available)
  • Sambruna, R.M., et al. 1996, Blazar continuum variability Astronomical Society of the Pacific Conference Series 110, Proceedings of an international workshop held at Florida International University, Miami, Florida, USA, 4-7 February 1996, San Francisco: Astronomical Society Pacific, edited by H. Richard Miller, James R. Webb, and John C. Noble, p.323, ``The X-ray Spectrum of the BL Lacertae Object H1426+428''  (Abstract not available)
  • Grandi, P., Sambruna, R.M., Maraschi, L., Matt, G., Urry, C.M., & Mushotzky, R.F. 1996, Proc. of X-ray Imaging and Spectroscopy of Cosmic Hot Plasmas, International Conference on X-ray Astronomy --ASCA 3rd Anniversary--11-14 March 1996, Waseda University, Tokyo, ed. F. Makino and K.Mitsuda, Universal Academy Press, ``ROSAT, ASCA, and OSSE observations of the broad-line radiogalaxy 3C120'', p. 283 (Abstract not available)
  • Sambruna, R.M., Urry, C.M., & Maraschi, L. 1995, BAAS, 186, 11.01, ``Connecting all blazars via the multiwavelength continuum'' (Abstract)
  • Urry, C.M., Sambruna, R.M., et al. 1994, BAAS, 185, 88.04 ``Rapid multiwavelength flaring of the BL Lac Object PKS 2155-304'' (Abstract)
  • Sambruna, R.M., Urry, C.M., Maraschi, L., & Ghisellini, G. 1994, BAAS, 185, 87.03, ``The broad-band energy distributions of a complete sample of radio-selected BL Lacertae objects'' (Abstract)
  • Sambruna, R.M. et al. 1994, in `Soft-X-ray Cosmos', ROSAT Science Symposium, College Park, MD, November 1993, eds. E.M.Schlegel & R.Petre, New York: American Institute of Physics, p. 415,  ``PSPC observations of the 1 Jy BL Lacs'' (Abstract)
  • Kollgaard, R.I., Feigelson, E.D., Gabuzda, D.C., Sambruna, R.M., & Urry, C.M. 1994, in `Soft-X-ray Cosmos, in Soft-X-ray Cosmos', ROSAT Science Symposium, College Park, MD, November 1993, eds. E.M.Schlegel & R.Petre, New York: American Institute of Physics, p. 420, ``X-rays and relativistic beaming in radio-selected BL Lacertae objects'' (Abstract not available)
  • Sambruna, R.M. et al. 1993, BAAS, 183, 107.03, ``ROSAT PSPC observations of radio-selected BL Lacs objects'' (Abstract)
  • Sambruna, R.M., Barr, P., Giommi, P., Maraschi, L., Tagliaferri, G., & Treves, A. 1993, in `Frontiers of space and ground-based astronomy:the astrophysics of the 21st century', eds. W.Wamsteker, M.S.Longair, and Y.Kondo.  Dordrecht:Boston:Kluwer Academic, p. 750, ``The X-ray spectra of blazars. Analysis of the complete EXOSAT archive'' (Abstract not available)
  • Chiappetti, L., Maraschi, L., Sambruna, R.M., & Treves, A. 1989, in Proc. 23 ESLAB Symp., `Two Topics in X-ray Astronomy', ESA SP-296 (Bologna: ESA), 349, ``Is KO Velorum (E1013-477) an intermediate polar?'' (Abstract)


Chandra ACIS Calibration Contributions

  • Sambruna, R.M. & Chartas, G. 1998, ``Pileup: Analysis of XRCF data and comparison with models'' (Abstract not available)
  • Nousek, J.A. et al. 1998, SPIE, 3444, 225, ``Joint AXAF high-resolution mirror assembly and AXAF CCD Imaging Spectrometer calibration at the MSFC X-Ray Calibration Facility'' (Abstract)
  • ``Science Instrument calibration report for the AXAF CCD imaging spectrometer (ACIS)'' 1998, eds. M.W.Bautz & J.A.Nousek (Abstract not available)

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