-------------------------------------------------------------------------------- Compton Observatory ***************** BATSE Bright Source Report ***************** (Earth Occultation Monitoring) -------------------------------------------------------------------------------- Data for: Jun. 18, 1997 thru Jun. 23, 1997 TJD 10617-10622 Source TJD Flux Spectral Signif** Comments (ph/cm^2 sec, Index* 20-100 keV) (20-100 keV) CRAB 10617 0.31 -2.2 64.1 10618 0.31 68.1 10619 0.31 67.4 10620 0.31 58.0 10621 0.31 63.7 10622 0.31 63.9 CYGX-1 10617 0.28 -2.0 39.1 10618 0.32 28.7 10619 0.31 58.3 10620 0.29 51.3 10621 0.27 36.6 10622 0.25 19.1 SCOX-1 10617 0.17 -5.0 13.0 10618 0.15 9.7 10619 0.14 10.3 10620 0.20 15.3 10621 0.22 16.0 10622 0.20 15.4 4U1700-377 10617 0.12 -3.0 10.6 10618 0.09 9.1 10619 0.04 3.6 10620 0.05 5.4 10621 0.07 7.2 1E1740-29 10618 0.06 -2.5 8.1 10619 0.07 10.4 10620 0.05 7.8 10621 0.05 6.6 10622 0.06 8.6 CYGX-3 10618 0.05 -3.3 5.4 10619 0.06 4.3 10620 0.07 7.4 10621 0.06 5.8 VELAX-1 10618 0.06 -3.7 5.3 10619 0.08 7.0 10620 0.11 10.8 10621 0.10 9.1 10622 0.08 7.3 GRS1915+105 10618 0.07 -2.8 3.3 10620 0.06 6.8 10621 0.08 10.4 10622 0.08 10.6 GRS1758-258 10619 0.03 -2.0 4.7 10620 0.03 4.7 GRS0834-430 10620 0.06 -3.7 5.1 10622 0.04 3.1 OAO1657-415 10620 0.05 -3.4 4.3 10621 0.06 5.1 CEN_A 10620 0.02 -1.9 3.2 GX339-4 10621 0.04 -2.4 3.3 Notes: * Spectral index for power law fit to photon number spectrum (photons/cm^2-s) in 20-100 keV band **Detection Significance, = Flux/Sigma -------------------------------------------------------------------------------- The information given above comes from the quick-look analysis performed daily on data obtained from the Burst and Transient Source Experiment (BATSE). The typical sensitivity of these measurements using the Earth occultation technique (one-day integration) is ~100 mCrab. Be aware that sources within about 22 degrees of the orbital poles are not occulted by the Earth; therefore, some bright sources may not show up in the daily averages. These quick-look science results are freely available, but should be considered preliminary. Please use with caution. For additional information, contact B.A. Harmon (harmon@sslmor.msfc.nasa.gov).