Institut für Astronomie und Astrophysik Abteilung Astronomie Sand 1, D-72076 Tübingen, Germany

Preprints 1999

Preprint I/99, December 1999

M.A. Barstow, S. Dreizler, J.B. Holberg, D.S. Finley, K. Werner, I. Hubeny and E.M. Sion
The discovery of photospheric nickel in the hot DO white dwarf REJ0503-289
Mon. Not. R. Astron. Soc.

Preprint 15/99, September 1999

J. Barnstedt, M. Grewing
Development and characterisation of a visible light photon counting imaging detector system
2002, Proc. of the 5th International Conference on Position Sensitive Detectors, Nuclear Instruments And Methods In Physics Research Sect. A 477, 268 - 272

Preprint 14/99, December 1999

Katja Pottschmidt, Jörn Wilms, Rüdiger Staubert, Michael A. Nowak, James B. Dove, William A. Heindl, and David M. Smith
Monitoring the Short-Term Variability of Cyg X-1
ESO Workshop on Black Holes, eds. L. Kaper et al., Springer

Jörn Wilms, Michael A. Nowak, Katja Pottschmidt, William A. Heindl, James B. Dove, Mitchell C. Begelman, and Rüdiger Staubert
RXTE Monitoring of LMC X-3
ESO Workshop on Black Holes, eds. L. Kaper et al., Springer

Preprint 13/99, December 1999

P. Kretschmar, I. Kreykenbohm, J. Wilms, R. Staubert, W. A. Heindl, D. E. Gruber, R. E. Rothschild
Disappearing Pulses in Vela X­1
Proc. of the 5th Compton Symposium, ed. M. McConnell

W. Coburn, D. E. Gruber, W. A. Heindl, M. R. Pelling, R. E. Rothschild, R. Staubert, I. Kreykenbohm, P. Risse, J. Wilms
The 1999 Her X-1 Anomalous Low State
Proc. of the 5th Compton Symposium, ed. M. McConnell

J. Wilms, M.A. Nowak, K. Pottschmidt, W.A. Heindl, J.B. Dove, M.C. Begelman, R. Staubert
RXTE Monitoring of LMC X-3: Recurrent Hard States
Proc. of the 5th Compton Symposium, ed. M. McConnell

R. Staubert, S. Schandl, J. Wilms
Her X-1: Correlation between the histories of the 35 d cycle and the 1.24 sec pulse period
Proc. of the 5th Compton Symposium, ed. M. McConnell

K. Pottschmidt, J. Wilms, R. Staubert, M.A. Nowak, J.B. Dove, W.A. Heindl, D.M. Smith
Monitoring the Short-Term Variability of Cyg X-1: Spectra and Timing
Proc. of the 5th Compton Symposium, ed. M. McConnell

W.A. Heindl, W. Coburn, D.E. Gruber, M. Pelling, R.E. Rothschild, P. Kretschmar, I. Kreykenbohm, J. Wilms, K. Pottschmidt, and R. Staubert
RXTE Studies of Cyclotron Lines in Accreting Pulsars
Proc. of the 5th Compton Symposium, ed. M. McConnell

W. Collmar, S. Benlloch, J.E. Grove, R.C. Hartman, W.A. Heindl, A. Kraus, H. Teräsranta, M. Villata, K. Bennett, H. Bloemen, W.N. Johnson, T.P. Krichbaum, C.M. Raiteri, J. Ryan, G. Sobrito, V. Schönfelder, O.R. Williams, J. Wilms
Multifrequency Observations of the Virgo Blazars 3C 273 and 3C 279 in CGRO Cycle 8
Proc. of the 5th Compton Symposium, ed. M. McConnell

W.A. Heindl, W. Coburn, D.E. Gruber, M. Pelling, R.E. Rothschild, J. Wilms, K. Pottschmidt, and R. Staubert
Multiple Cyclotron Lines in the Spectrum of 4U 0115+63
Proc. of the 5th Compton Symposium, ed. M. McConnell

Preprint H/99, November 1999

CHRISTOPHER S. REYNOLDS AND JÖRN WILMS
ON THE INABILITY OF COMPTONIZATION TO PRODUCE THE BROAD X­RAY IRON LINES OBSERVED IN SEYFERT NUCLEI
2000, ApJ 533, 821-825

Preprint G/99, November 1999

P. RICHTER, K.S. DE BOER, H. WIDMANN, N. KAPPELMANN, W. GRINGEL, M. GREWING & J. BARNSTEDT
Discovery of molecular hydrogen in a high-velocity cloud of the Galactic halo
1999, Nature, 402, 386-387

Preprint 12/99, November 1999

M. Kuster, J. Wilms, R. Staubert, D. E. Gruber, R. E. Rothschild, W. A. Heindl
HER X-1 X-RAY TURN-ON MONITORED BY RXTE
1999, CONFERENCE PROCEEDINGS X-ray Astronomy '99, published in Astrophysical Letters and Communications,

I. Kreykenbohm, P. Kretschmar, J. Wilms, R. Staubert, W. A. Heindl, D. E. Gruber, R. E. Rothschild
TWO CYCLOTRON LINES IN VELA X-1?
1999, CONFERENCE PROCEEDINGS X-ray Astronomy '99, published in Astrophysical Letters and Communications,

A. Orr, G. Torricelli-Ciamponi, P. Pietrini
THE X-RAY SPECTRA OF AGN ACCRETION DISK CORONAE: FIRST RESULTS
1999, CONFERENCE PROCEEDINGS X-ray Astronomy '99, published in Astrophysical Letters and Communications,

S. Benlloch, R.E. Rothschild, J. Wilms, C.S. Reynolds, W.A. Heindl, K. Pottschmidt, A. Orr, I. Kreykenbohm, R. Staubert
RXTE MONITORING OF CENTAURUS A
1999, CONFERENCE PROCEEDINGS X-ray Astronomy '99, published in Astrophysical Letters and Communications,

M. Stuhlinger, E. Goehler, C. Dreischer, R. Volkmer, R. Staubert, E. Kendziorra, N. v.Krusenstiern, P. Risse, R. Weiss
THE IBIS DATA HANDLING SYSTEM
1999, CONFERENCE PROCEEDINGS X-ray Astronomy '99, published in Astrophysical Letters and Communications,

I. Kreykenbohm, J. Wilms, P. Kretschmar, R. Staubert, R. E. Rothschild, W. A. Heindl, D. E. Gruber
WIND ACCRETION IN HMXRB
1999, CONFERENCE PROCEEDINGS X-ray Astronomy '99, published in Astrophysical Letters and Communications,

Preprint F/99, October 1999

Ulrich Heber, I. Neill Reid, Klaus Werner
Spectral analysis of four multi mode pulsating sdB stars
1999, Baltic Astronomy, 8

Preprint 11/99, October 1999

Sonja Schuh, Stefan Dreizler, Jochen L. Deetjen, Uli Heber, Ralf D. Geckeler
CCD photometry of variable subdwarfs and white dwarfs
1999, Baltic Astronomy, 8

Preprint 10/99, Sept 1999

K. Werner, J. Deetjen
Non-LTE effects in neutron star atmospheres
in Proc. Pulsar Astronomy - 2000 and beyond, IAU Coll. 177, eds. R. Wielebinski et al., ASP Conference Series, 2000, in press

Preprint 09/99, Sept 1999

Thomas Rauch, Jochen L. Deetjen, Stefan Dreizler, Klaus Werner
NLTE Model Atmospheres for Central Stars of Planetary Nebulae
in Asymmetrical Planetary Nebulae II: From Origins to Microstructures, ASP Conference Series, Vol. XXX, J.H. Kastner, N. Soker, & S. Rappaport, eds., 2000, in press

Thomas Rauch, Elise Furlan, Florian Kerber, Miguel Roth
Survey of Large Planetary Nebulae in Decay
in Asymmetrical Planetary Nebulae II: From Origins to Microstructures, ASP Conference Series, Vol. XXX, J.H. Kastner, N. Soker, & S. Rappaport, eds., 2000, in press

Preprint 08/99, July 1999

M. Kuster, S. Benlloch, E. Kendziorra and U.G. Briel
Time resolution capability of the XMM EPIC pn­CCD in different readout modes
in Proc. SPIE, "EUV, X-ray and Gamma Ray Instrumentation for Astronomy X", Vol. 3765, Oswald H. Siegmund, Kathryn A. Flanagan, ed., 1999, in press

Preprint 07/99, July 1999

J.Pal, M.Kuster, E. Kendziorra, N. Krause
The influence of optical light on the charge transfer efficiency of the XMM EPIC pn­CCD camera
in Proc. SPIE, "EUV, X-ray and Gamma Ray Instrumentation for Astronomy X", Vol. 3765, Oswald H. Siegmund, Kathryn A. Flanagan, ed., 1999, in press

Preprint E/99, April 1999

H.M. Schmid, J. Krautter, I. Appenzeller, J. Barnstedt, T. Dumm, A. Fromm, M. Gölz, M. Grewing, W. Gringel, C. Haas, W. Hopfensitz, N. Kappelmann, G. Krämer, A. Lindenberger, H. Mandel, U. Mürset, H. Schild, W. Schmutz, and H. Widmann
ORFEUS spectroscopy of the O VI lines in symbiotic stars and the Raman scattering process
1999, Astronomy and Astrophysics, 348, 950-971

Preprint D/99, July 1999

Ottmar Jagutzki, Jürgen Barnstedt, Uwe Spillmann, Lutz Spielberger, Volker Mergel, Klaus Ullmann-Pfleger, Michael Grewing, and Horst Schmidt-Böcking
FAST POSITION AND TIME SENSITIVE READ-OUT OF IMAGE INTENSIFIERS FOR SINGLE PHOTON DETECTION
in Proc. SPIE, "Ultraviolet and X-Ray Detection, Spectroscopy, and Polarimetry III", Silvano Fineschi, Bruce E. Woodgate, Randy A. Kimble (eds.), Vol. 3764, 1999, 61

Preprint C/99, July 1999

W. A. Heindl, W. Coburn, D. E. Gruber, M. R. Pelling, R. E. Rothschild, J. Wilms, K. Pottschmidt, R. Staubert
Discovery of a Third Harmonic Cyclotron Resonance Scattering Feature in the X-ray Spectrum of 4U 0115+63
1999, Astrophysical Journal Letters, 521, L49

Preprint B/99, July 1999

U. Heber, I.N. Reid, K. Werner
Spectral analysis of the multi mode pulsating subluminous B star PG 1605+072
1999, Astronomy and Astrophysics, in press

Preprint 06/99, July 1999

J.L. Deetjen, S. Dreizler, T. Rauch, and K. Werner
The iron abundance in hot central stars of planetary nebulae derived from IUE spectra
1999, Astronomy and Astrophysics, 348, 940-944

Preprint 05/99, May 1999

Klaus Werner, Burkhard Wolff
The EUV spectrum of the unique bare stellar core H1504+65
1999, Astronomy and Astrophysics, in press

Preprint 04/99, Apr 1999

Jörn Wilms, Michael Nowak, James B. Dove, Robert P. Fender, Tiziana Di Matteo
Low Luminosity States of the Black Hole Candidate GX 339-4. I. ASCA and Simultaneous Radio/RXTE Observations
1999, The Astrophysical Journal, 522, 460

Preprint A/99, Mar 1999

Michael A. Nowak and Jörn Wilms
ON THE ENIGMATIC X­RAY SOURCE V1408 AQL (=4U 1957+11)
1999, The Astrophysical Journal, 522, 476

Preprint 03/99, Jan 1999

S. Dreizler
HST spectroscopy of hot hydrogen deficient white dwarfs
1999, Proc. 11th European Workshop on White Dwarfs, (J.-E.Solheim, E.G. Meistas, eds.), ASP Conference Series 169, 499-504

Preprint 02/99, Jan 1999

S. Dreizler
SPECTROSCOPY OF HOT HYDROGEN DEFICIENT WHITE DWARFS
1999, Reviews in Modern Astronomy, 12, in press

Preprint 01/99, April 1999

T. Rauch, J. Köppen, R. Napiwotzki, and K. Werner
Classification and spectral analysis of faint central stars of highly excited planetary nebulae
1999, Astronomy and Astrophysics, in press

See older preprints (1998).

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