We analysed, in an automatic and systematic way, all the X-ray sources included in the BMWCAT (public ROSAT HRI fields) with more than 200 photons in their light curves. We identified 1 new candidate X-ray pulsators.

• The Discovery of 321s Pulsations in the ROSAT HRI light curves of 1BMW J080622.8+152732=RX J0806 .3+1527
  A&A, 359, L1, 1999

 
 

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BMWCAT References:

D. Lazzati, S. Campana, P. Rosati, M.R. Panzera & G. Tagliaferri:
"The Brera Multi-scale ROSAT HRI Wavelet (BMW) source catalog. I: the algorithm",
ApJ 524, 414-422 (1999)

S. Campana, D. Lazzati, M.R. Panzera & G. Tagliaferri:
"The Brera Multi-scale ROSAT HRI Wavelet (BMW) source catalog. II:
application to the HRI and first results ", ApJ 524, 423-433 (1999)

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Results from Follow-up Observations:
 
• RXJ0806 .3+1527: a double degenerate binary with the shortest known orbital period (321s)
  A&A, 386, L13, 2002

• IAU Circular #7835 
• astro-ph/0203043 
• A&A Letter, 386, L13,  (subscription needed, English)
• Press release: OAR  (English and Italian)
• Press Release: ESO  (English)
• Press Release: TNG (Castillano)
• Science article  2002 March 15th, p.1997 (subsription needed, English)
• Comunicato ANSA  (Italiano)
• Notiziario de Le Scienze  (Italiano)
• La Stampa WEB  2002 April 2nd (Italiano)

 
 
 
• Unveiling the Nature of the 321 Second Modulation in RX J0806.3+1527: Near-Simultaneous Chandra and Very Large Telescope Observations
  ApJ, 598, 492
• Taking the pulse of the shortest orbital period binary system RX J0806.3+1527
  Mem.S.A.It.Supplement, Vol 5, p.148
• RX J0806.3+1527: Ten Years of Phase Coherent Monitoring in the Optical and X-ray Bands
  AIP, Proceedings of the International Conference "Interacting Binaries: Accretion, Evolution and Outcomes" held in Cefalu' (Italy), July 2004

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Edited by: GianLuca, OAR, Roma, Italy
gianluca@mporzio.astro.it
Last change 2004 Oct