TITLE: GCN/IPN/HUNTSVILLE LOCALIZATION NOTICE_TYPE: Updated (based on the BATSE-LOCBURST location) NOTICE_DATE: Wed Mar 17 20:15:29 GMT 1999 TRIGGER_NUM: 7475 GRB_DATE: 99/03/16 GRB_TIME: 09:40:39.54 UT BACO_RA: 156.08d {+10h 24m 19s} (J2000) BACO_DEC: -9.42d {-09d 25' 26"} HUNT_RA: 151.55d {+10h 06m 13s} (J2000) HUNT_DEC: -5.21d {-05d 12' 41"} HUNT_ERR: 2.02 [degees radius, statistical only] B_H_DELTA: 6.16 [deg] HUNT_SC_AZ: 135.71 [deg] HUNT_SC_EL: -52.84 [deg] {Zen_angle=142.84} SUN_POSTN: 355.74d {+23h 42m 58s} -1.84d {-01d 50' 37"} (Current) SUN_B_DIST: 157.40 [deg] MOON_POSTN: 339.37d {+22h 37m 28s} -10.14d {-10d 08' 09"} (Current) MOON_B_DIST: 160.17 [deg] ANNULUS_RA: 152.2023d {+10h 08m 49s} (J2000) ANNULUS_DEC: -9.3594d {-09d 21' 33"} ANNULUS_RADIUS: 6.781 [deg] ANNULUS_WIDTH: 0.755 [deg] (Total width) COMMENTS: A strong GRB "FRED" with a not so fast rising edge. COMMENTS: Total duration about 40 sec. COMMENTS: Slightly seen above 300 keV. This IPN localization is preliminary. The "total width" of the annulus was selected to include all known uncertainties and systematics. The final analysis will reduce this width. All follow-up queries should be addressed to Kevin Hurley (UC Berkeley, khurley@sunspot.ssl.berkeley.edu). The center of the IPN annulus is tabulated below along the segment that intersects the Huntsville error circle. The Distance column is the sky-angle distance between the Huntville location and the sampled position on the arc segment. The position of maximum probability plus the 1-, 2-, & 3-sigma containment probabilities (statistical+systematic) are marked. A detailed description of the format, content, and meaning of this document is given in the URL: http://gcn.gsfc.nasa.gov/gcn/ipn.html (J2000) RA DEC Distance 154.646 -3.028 3.78 <=== +3-sigma probability 154.644 -3.028 3.78 <=== +2-sigma probability 154.624 -3.020 3.77 154.582 -3.004 3.74 154.540 -2.989 3.72 154.497 -2.974 3.69 154.455 -2.959 3.67 154.413 -2.945 3.65 154.371 -2.930 3.62 154.328 -2.916 3.60 154.285 -2.903 3.57 154.243 -2.889 3.55 154.200 -2.876 3.53 154.157 -2.863 3.50 154.114 -2.850 3.48 154.071 -2.838 3.46 154.028 -2.826 3.43 153.985 -2.814 3.41 153.942 -2.803 3.39 153.898 -2.792 3.37 153.855 -2.781 3.34 153.812 -2.770 3.32 153.768 -2.760 3.30 153.725 -2.750 3.28 153.681 -2.740 3.26 153.637 -2.730 3.24 153.593 -2.721 3.22 153.550 -2.712 3.20 153.506 -2.704 3.18 153.462 -2.695 3.16 153.418 -2.687 3.14 153.374 -2.680 3.12 153.330 -2.672 3.10 153.286 -2.665 3.08 153.241 -2.658 3.06 153.197 -2.651 3.04 153.153 -2.645 3.02 153.109 -2.639 3.00 153.064 -2.633 2.99 153.020 -2.628 2.97 152.975 -2.623 2.95 152.931 -2.618 2.94 152.886 -2.613 2.92 152.842 -2.609 2.90 152.797 -2.605 2.89 152.753 -2.601 2.87 152.708 -2.598 2.86 152.664 -2.594 2.84 152.619 -2.592 2.83 152.574 -2.589 2.81 152.507 -2.586 2.79 152.463 -2.584 2.78 152.418 -2.582 2.77 152.373 -2.581 2.75 152.329 -2.580 2.74 152.284 -2.579 2.73 152.239 -2.579 2.72 152.195 -2.579 2.71 152.150 -2.579 2.70 152.105 -2.580 2.69 152.060 -2.580 2.68 152.016 -2.581 2.67 151.971 -2.583 2.66 151.926 -2.584 2.65 151.882 -2.586 2.64 151.837 -2.589 2.64 151.792 -2.591 2.63 151.748 -2.594 2.62 151.703 -2.597 2.62 151.659 -2.600 2.61 151.614 -2.604 2.61 151.569 -2.608 2.60 151.525 -2.612 2.60 151.480 -2.617 2.59 151.436 -2.622 2.59 151.392 -2.627 2.59 151.347 -2.632 2.59 151.303 -2.638 2.58 151.259 -2.644 2.58 151.214 -2.650 2.58 151.170 -2.657 2.58 151.153 -2.659 2.58 <=== Max probability 151.111 -2.666 2.58 151.067 -2.673 2.58 151.022 -2.681 2.58 150.978 -2.689 2.58 150.934 -2.697 2.59 150.891 -2.705 2.59 150.847 -2.714 2.59 150.803 -2.723 2.60 150.759 -2.732 2.60 150.715 -2.742 2.60 150.672 -2.752 2.61 150.628 -2.762 2.62 150.585 -2.772 2.62 150.541 -2.783 2.63 150.498 -2.794 2.63 150.455 -2.805 2.64 150.411 -2.817 2.65 150.368 -2.828 2.66 150.325 -2.840 2.67 150.282 -2.853 2.67 150.239 -2.866 2.68 150.196 -2.878 2.69 150.154 -2.892 2.70 150.111 -2.905 2.72 150.069 -2.919 2.73 150.026 -2.933 2.74 149.984 -2.947 2.75 149.941 -2.962 2.76 149.899 -2.977 2.77 149.857 -2.992 2.79 149.815 -3.007 2.80 149.773 -3.023 2.81 149.731 -3.039 2.83 149.690 -3.055 2.84 149.648 -3.072 2.86 149.607 -3.088 2.87 149.565 -3.106 2.89 149.524 -3.123 2.91 149.483 -3.140 2.92 149.442 -3.158 2.94 149.420 -3.168 2.95 149.379 -3.186 2.96 149.338 -3.205 2.98 149.298 -3.224 3.00 149.257 -3.243 3.02 149.217 -3.262 3.03 149.177 -3.282 3.05 149.136 -3.301 3.07 149.096 -3.321 3.09 149.057 -3.342 3.11 149.017 -3.362 3.13 148.977 -3.383 3.15 148.938 -3.405 3.17 148.898 -3.426 3.19 148.859 -3.448 3.21 148.820 -3.470 3.23 148.781 -3.492 3.25 148.743 -3.514 3.27 148.704 -3.537 3.29 148.665 -3.560 3.32 148.627 -3.583 3.34 148.589 -3.606 3.36 148.551 -3.630 3.38 148.513 -3.654 3.40 148.475 -3.678 3.43 148.438 -3.703 3.45 148.400 -3.727 3.47 148.363 -3.752 3.50 148.326 -3.777 3.52 148.289 -3.803 3.54 148.252 -3.828 3.57 148.216 -3.854 3.59 148.179 -3.880 3.61 148.143 -3.907 3.64 148.107 -3.933 3.66 148.071 -3.960 3.69 148.035 -3.987 3.71 148.000 -4.015 3.74 147.964 -4.042 3.76 147.947 -4.056 3.77 <=== -2-sigma probability 147.932 -4.067 3.78 <=== -3-sigma probability -------------------------------- THE END --------------------------------