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[About HEAO-2] [Archive] [Gallery] [Publications] Astrophysics Data System (ADS) Query Results from Astronomy Database Retrieved 263 abstracts, starting with number 1001. Total number selected: 1263 Bibcode Score Date Available Items Authors Title Access Control Help  1993AdSpR..13l.231J 0.259 12/1993 A                                                       JAHODA, K. HEAO-1 and BBXRT non-source X-ray observations  1993AAS...18311606S 0.259 12/1993     O                                      S           SMITH, D. M.; LEVENTHAL, M.; TUELLER, J.; KINZER, R. L.; KURFESS, J. D.; JOHNSON, W. N.; JUNG, G.; PURCELL, W. R.; STRICKMAN, M. S.; ULMER, M. P. Search for Compton-Backscattered Annihilation Radiation from the Galactic Center with OSSE  1993AAS...183.2905M 0.259 12/1993     O                                      S           MCCONNELL, M. L.; FORREST, D.; RYAN, J.; COLLMAR, W.; SCHONFELDER, V.; STEINLE, H.; STRONG, A.; VAN DIJK, R.; HERMSEN, W.; BENNETT, K. COMPTEL Gamma-Ray Observations of X-Ray Binaries  1993SPIE.2006..324Z 0.259 11/1993     O                      M                           ZHANG, WEIPING; GILES, ALAN B.; JAHODA, K.; SOONG, YANG; SWANK, JEAN H.; MORGAN, EDWARD H. Laboratory performance of the proportional counter array experiment for the X-ray Timing Explorer  1993ApJ...418....1R 0.259 11/1993     O      F                                           REPHAELI, YOEL Comptonization of the Cosmic Microwave Background by Gas in Superclusters of Galaxies  1993IAUC.5881....2H 0.259 10/1993         E                                  S           HARMON, B. A.; FISHMAN, G. J.; RUBIN, B. C.; WILSON, C. A.; PACIESAS, W. S. V1357 Cygni  1993ApJ...414L..77B 0.259 09/1993 A                              R  C      S           BENNETT, C. L.; HINSHAW, G.; BANDAY, A.; KOGUT, A.; WRIGHT, E. L.; LOEWENSTEIN, K.; CHENG, E. S. Noncosmological signal contributions to the COBE DMR anisotropy maps  1993IAUC.5813....2H 0.259 06/1993         E                                  S           HARMON, B. A.; FISHMAN, G. J.; WILSON, C. A.; PACIESAS, W. S.; LING, J. C.; WHEATON, W. A. Cygnus X-1  1993cuny.reptQ....P 0.259 06/1993 A                                                       PATTERSON, JOSEPH Eclipsing cataclysmic variables. Deep eclipses in H0928+501. YY Draconis, the whirling dervish. New x ray pulsar candidates from HEAO-1  1993AAS...182.5509H 0.259 05/1993     O                                                   HARRIS, M. J.; SHARE, G. H.; LEISING, M. D. Upper Limit on Transient Emission of a Broad, Redshifted 0.511 MeV gamma -Ray Line from the Galactic Center Region  1993ApJ...406...97B 0.259 03/1993 A          F                  R  C      S           BURROWS, D. N.; SINGH, K. P.; NOUSEK, J. A.; GARMIRE, G. P.; GOOD, J. A multiwavelength study of the Eridanus soft X-ray enhancement  1993PhDT.........3W 0.259 00/1993 A                                                       WEAVER, KIMBERLY ANN The complex broadband x-ray spectra of Seyfert galaxies  1993A&AS...97..329C 0.259 01/1993 A                              R          S           CASTRO-TIRADO, A. J.; BRANDT, S.; LUND, N.; DREMIN, V.; LAPSHOV, I.; SIUNIAEV, R. A. WATCH observations of the X-ray pulsar 301-2  1993A&AS...97..189L 0.259 01/1993 A                              R  C      S           LEI, F.; ROQUES, J. P.; MANDROU, P.; VEDRENNE, G.; BALLET, J.; CORDIER, B.; LEBRUN, F.; LERAY, J. P.; CHURAZOV, E.; GILFANOV, M.; SUNYAEV, R.; BOGOMOLOV, A.; KHAVENSON, N.; KULESHOVA, N.; TSERENIN, I.; SUKHANOV, K. Search for the compact 511 keV radiation source in the Galactic centre region with SIGMA  1992AAS...181.3515G 0.259 12/1992     O                                                   GROSSAN, B.; REMILLARD, R.; BRADT, H. A Multi-Frequency Study of an X-ray Selected Sample of AGN II: Line Emission Studies and the X-ray Luminosity Function  1992AAS...181.2003S 0.259 12/1992     O                                      S           SMALE, ALAN P. No detection of the iron line in Cygnus X--3 by BBXRT  1992ApJ...399..694G 0.259 11/1992 A          F                  R  C      S           GARMIRE, G. P.; NOUSEK, J. A.; APPARAO, K. M. V.; BURROWS, D. N.; FINK, R. L.; KRAFT, R. P. The soft X-ray diffuse background observed with the HEAO 1 low-energy detectors  1992sao..reptR....S 0.259 06/1992 A                                                       SCHWARTZ, DANIEL A. Scientific investigations with the data base HEAO-1 scanning modulator collimator  1992N92-25504.....E 0.259 05/1992 A                                                       EVANS, TOM A search for the dipole anisotropy of the Cosmic x ray background  1992xeag.rept..314H 0.259 03/1992 A                                                       HELFAND, D. J.; HAMILTON, T. T. Where have all the sources gone?  1992A&A...256L..38J 0.259 03/1992 A          F                  R  C      S  N       JOURDAIN, E.; BASSANI, L.; BOUCHET, L.; MANDROU, P.; BALLET, J.; LEBRUN, F.; PAUL, J.; LAURENT, PH.; CHURAZOV, E.; GILFANOV, M.; SUNYAEV, R.; DYACKHOV, A.; KHAVENSON, N.; CHULKOV, I.; KUZNETSOV, A.; NOVIKOV, B. SIGMA observation of a steep spectral shape in NGC 4151 above 35 keV  1992ApJ...385..561L 0.259 02/1992 A          F                  R  C      S           LEAHY, D. A.; NOUSEK, J.; GARMIRE, G. Discovery of X-ray emission associated with the Gum Nebula  1992tap..proc..196D 0.259 00/1992 A                                                       DONE, C.; MULCHAEY, J. S.; MUSHOTZKY, R. F.; ARNAUD, K. A. Problems for the standard black hole/accretion disk models in Cygnus X-1?  1992PhDT........12G 0.259 00/1992 A                                                       GROSSAN, BRUCE ALAN A multi-frequency study of an x ray selected sample of active galactic nuclei  1992PhDT.........1V 0.259 00/1992 A                                                       VAUGHAN, BRIAN ALEXANDER Temporal and spectral variability in luminous x ray binaries  1991ApJ...380..357P 0.259 10/1991 A          F                  R  C      S  N       PIRO, L.; COSTA, E.; MATT, G.; DAL FIUME, D.; MORELLI, E.; FRONTERA, F. X-ray observations of the Seyfert 1 galaxy Markarian 464  1991ApJ...380L..59R 0.259 10/1991 A          F                  R  C      S           REPHAELI, YOEL; GRUBER, DUANE; MACDONALD, DAN; PERSIC, MASSIMO X-ray emission from starburst galaxies  1991ApJ...378L..37J 0.259 09/1991 A          F                  R  C                   JAHODA, KEITH; MUSHOTZKY, RICHARD F.; BOLDT, ELIHU; LAHAV, OFER Cross-correlation of the X-ray background with nearby galaxies  1991ApJ...376..295L 0.259 07/1991 A          F                  R  C      S           LOCHNER, JAMES C.; SWANK, J. H.; SZYMKOWIAK, A. E. Shot model parameters for Cygnus X-1 through phase portrait fitting  1991IAUC.5229....1B 0.259 04/1991         E                                  S           BRIGGS, M.; MATTESON, J.; GRUBER, D.; PETERSON, L.; JAHODA, K. V1223 Sagittarii  1991ApJ...370..670C 0.259 04/1991 A          F                  R  C      S           COMINSKY, L. R.; MORAES, F. Multimission observations of 4U 1538 - 52  1991ApJ...369..485U 0.259 03/1991 A          F                  R  C      S           ULMER, M. P.; PURCELL, W. R.; WHEATON, W. A.; MAHONEY, W. A. HEAO 3 upper limits to pulsed gamma-ray emission from PSR 1509 - 58 and PSR 0833 - 45  1991ApJ...369..440N 0.259 03/1991 A  O      F                  R  C      S           NOFAR, IRIT; SHAVIV, GIORA; STARRFIELD, SUMNER The formation of Al-26 in nova explosions  1991aftm.proc..431M 0.259 00/1991 A                                                       MIYAJI, TAKAMITSU; JAHODA, KEITH; BOLDT, ELIHU The X-ray flux dipole of AGNs as an indicator of the local gravitational field  1990S&T....80..128B 0.259 08/1990 A                                          S           BEATTY, J. KELLY Rosat and the X-ray universe  1990ApJ...359..204T 0.259 08/1990 A          F                  R  C      S           TUOHY, I. R.; REMILLARD, R. A.; BRADT, H. V.; BRISSENDEN, R. J. V. 1H 0709-360 - A cataclysmic variable with an orbital period inside the 'period gap'  1990cait.reptR....M 0.259 07/1990 A                                                       MEWALDT, RICHARD A.; WEBBER, W. R. New aspects of heavy cosmic rays from calcium to nickel (Z = 20 to 28)  1990egre.symp..303S 0.259 05/1990 A                                                       SCHONFELDER, V. COMPTEL observations of active galactic nuclei  1990AJ.....99.1435K 0.259 05/1990 A  O      F                  R  C      S  N       KIRHAKOS, S. D.; STEINER, J. E. X-ray and infrared selected active galactic nuclei. I - The missing edge-on galaxies  1990ApJS...72..471D 0.259 03/1990 A                  D          R  C      S  N       DELLA CECA, R.; PALUMBO, G. G. C.; PERSIC, M.; BOLDT, E. A.; MARSHALL, E. E.; DE ZOTTI, G. A catalog of X-ray measurements of selected samples of active galaxies and nuclei  1990ApJ...351...22D 0.259 03/1990 A          F                  R  C                   DE ZOTTI, G.; PERSIC, M.; FRANCESCHINI, A.; DANESE, L.; PALUMBO, G. G. C.; BOLDT, E. A.; MARSHALL, F. E. Constraints on large-scale clustering from the autocorrelation properties of the X-ray background  1989xrbi....2..737D 0.259 11/1989 A                                                       DEZOTTI, G.; DANESE, L.; FRANCESCHINI, A.; PERSIC, M.; TOFFOLATTI, L. Contributions of discrete sources to the X ray background  1989xrbi....1..617S 0.259 11/1989 A                                                       SOONG, Y.; SWANK, J. H. Timing analysis of binary X ray pulsars observed by HEAO 1  1989MNRAS.240..833T 0.259 10/1989 A          F                  R  C      S  N       TURNER, T. J.; POUNDS, K. A. The Exosat spectral survey of AGN  1989ApJ...344..125P 0.259 09/1989 A          F                  R  C      S  N       PERSIC, M.; DE ZOTTI, G.; DANESE, L.; FRANCESCHINI, A.; PALUMBO, G. G. C.; BOLDT, E. A.; MARSHALL, F. E. Contributions of low-luminosity sources to the X-ray background  1989ApJ...343..313B 0.259 08/1989 A          F                  R  C      S           BASSANI, L.; DI COCCO, G.; STEPHEN, J. B.; DEAN, A. J.; PEROTTI, F. Gamma-ray observations of Cygnus X-1  1989MNRAS.238..917W 0.259 06/1989 A          F                  R  C      S  N       WARWICK, R. S.; BARSTOW, M. A.; YAGOOB, T. The X-ray spectrum of QSO 1821 + 643  1989ApJ...337..485C 0.259 02/1989 A          F                  R  C      S           COMINSKY, L. R.; WOOD, K. S. Further observations of the eclipsing X-ray burst source MXB 1659-29  1989PhDT.........6D 0.259 00/1989 A                                                       DAVIES, SIMON ROBERT The supernova remnant G109.1-1.0 and the x-ray pulsar 1E2259+586  1989lssm.meet..303D 0.259 00/1989 A                                                       DE ZOTTI, G.; PERSIC, M.; BOLDT, E. A.; MARSHALL, F. E.; DANESE, L. X-ray constraints on large scale clustering  1989ApJ...336L..47P 0.259 01/1989 A          F                  R  C                   PERSIC, M.; DE ZOTTI, G.; BOLDT, E. A.; MARSHALL, F. E.; DANESE, L.; FRANCESCHINI, A.; PALUMBO, G. G. C. The autocorrelation properties of fluctuations in the cosmic X-ray background  1988ApJ...335..215P 0.259 12/1988 A          F                  R  C      S           PETRE, R.; SZYMKOWIAK, A. E.; SEWARD, F. D.; WILLINGALE, R. A comprehensive study of the X-ray structure and spectrum of IC 443  1988ApJ...333..133R 0.259 10/1988 A          F                  R  C      S  N       REPHAELI, YOEL; GRUBER, D. E. HEAO 1 hard X-ray observation of clusters of galaxies and intracluster magnetic fields  1988ApJ...331L...5R 0.259 08/1988 A          F                  R  C      S  N       RIEKE, G. H. Hard X-ray observations of ultraluminous infrared galaxies  1988ApJ...329..276V 0.259 06/1988 A          F                  R  C      S           VRTILEK, S. D.; SWANK, J. H.; KELLEY, R. L.; KAHN, S. M. Long-term temporal variability of Cygnus X-2  1988ApJ...329..212B 0.259 06/1988 A          F                  R  C                   BILDSTEN, LARS; ZUREK, W. H. Positron annihilation radiation from the Galactic center - 'Cheshire cat' Compton scattering and the origin of excess continuum  1988PhDT.........1C 0.259 04/1988 A                                                       CONNORS, ALANNA An all sky study of fast X-ray transients  1988ApJ...327L...1P 0.259 04/1988 A          F                  R  C      S  N       PERSIC, MASSIMO; REPHAELI, YOEL; BOLDT, ELIHU A bound on X-ray emission from the intrasupercluster medium  1988ApJ...325L..39L 0.259 02/1988 A          F                  R  C      S           LIANG, EDISON P.; DERMER, CHARLES D. Interpretation of the gamma-ray bump from Cygnus X-1  1988ApJ...325L..25P 0.259 02/1988 A          F                  R  C      S  N       PIRO, L.; MASSARO, E.; PEROLA, G. C.; MOLTENI, D. An exceptional change in the X-ray flux and spectrum of the Seyfert 1 galaxy E1615 + 061  1988slmc.proc..355T 0.259 00/1988 A                                                       TRUEMPER, J.; REPPIN, C.; PIETSCH, W.; ENGLHAUSER, J.; VOGES, W. The hard X-ray spectrum of SN 1987A  1988PASJ...40..127M 0.259 00/1988 A                              R  C      S  N       MIYOSHI, S.; YAMASHITA, K.; OKUMURA, Y.; HAYAKAWA, S.; KUNIEDA, H.; NAGASE, F.; TAWARA, Y.; MATSUOKA, M.; ONDA, K. X-ray observations of IC 4329  1988AdSpR...8...61B 0.259 00/1988 A                                                       BRANDUARDI-RAYMONT, G.; MITTAZ, J. P. D. The flux variability of the Seyfert galaxy NGC6814 as observed with Exosat  1987PhDT.........3H 0.259 00/1987 A                                                       HUETER, GEOFFREY JAMES HEAO-1 observations of gamma-ray bursts  1987esss.nasa..317G 0.259 06/1987 A                                                       GIACCONI, RICCARDO Discrete X-ray sources and the X-ray background  1987ess..nasa..191C 0.259 06/1987 A                                                       CESARSKY, CATHERINE J.; ORMES, JONATHAN F. Origin and propagation of galactic cosmic rays  1987ApJ...315..154R 0.259 04/1987 A          F                  R  C      S           ROTHSCHILD, RICHARD E.; SOONG, YANG Two binary cycles of GX 301-2  1987stan.reptQ....F 0.259 02/1987 A                                                       FAIRBANK, WILLIAM M. A search for rapidly modulated emission in bright X-ray sources using the HEAO A-1 data base  1987ApJ...313..185S 0.259 02/1987 A          F                  R  C      S  N       SINGH, K. P.; NOUSEK, J. A.; BURROWS, D. N.; GARMIRE, G. P. A 9 month long soft X-ray survey of the Large Magellanic Cloud. I - X-ray map at 1/4 keV  1987sao..rept.....S 0.259 01/1987 A                                                       SCHWARTZ, DANIEL A. EX56a study of extended X-ray emission around isolated galaxies EX56b identification and spectra of bright X-ray sources at high galactic latitude  1987KosNT...2...78S 0.259 00/1987 A                                                       SILICH, S. A.; FOMIN, P. I. Concerning the nature of giant X-ray cavities of the Cygnus source type  1987ApLC...26....7G 0.259 00/1987 A                                                       GIACCONI, RICCARDO Discrete X-ray sources and the X-ray background  1987ApJ...312..732N 0.259 01/1987 A          F                  R  C      S           NORRIS, J. P.; WOOD, K. S. Discovery of 5 Hz quasi-periodic oscillations in Cygnus X-2  1987ApJ...312L..31H 0.259 01/1987 A          F                  R  C      S  N       HALPERN, J. P.; PATTERSON, J. A hard X-ray source in the nearest molecular cloud  1986ApJ...309..230N 0.259 10/1986 A          F                  R  C      S           NOUSEK, J. A.; SHIPMAN, HARRY L.; HOLBERG, J. B.; LIEBERT, JAMES; PRAVDO, STEVEN H.; WHITE, N. E.; GIOMMI, PAOLO H 1504 + 65 - An extraordinarily hot compact star devoid of hydrogen and helium  1986IAUC.4259....1G 0.259 09/1986         E                                  S           GARCIA, M.; BURG, R.; GRINDLAY, J. 4U 1820-30  1986ApJ...308..563B 0.259 09/1986 A          F                  R  C      S  N       BEALL, J. H.; WOOD, K. S.; YENTIS, D. J. On the short time scale variability of the Seyfert galaxy NGC 6814