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Portfolio ivo://nasa.gsfc.gcn/SWIFT#BAT_GRB_Pos_433509-715

From the SWIFT stream.
SWIFT GRB alerts
Position is 28.6838,55.6304 ± 0.0001
This portfolio initiated 2010-09-06 06:50:03
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BAT_GRB_Pos_433509-715

SWIFT alert 61. RA, Dec is (28.7092, 55.6138) ± 0.05.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=61'

Burst Intensity/Peak: 2623/191

SWIFT_BAT_GRB_POSITION

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FOM_Obs_433509-719

SWIFT alert 65. RA, Dec is (28.7092, 55.6138) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=65'


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SC_Slew_433509-720

SWIFT alert 66. RA, Dec is (28.7092, 55.6138) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=66'


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XRT_Pos_433509-726

SWIFT alert 67. RA, Dec is (28.6825, 55.6286) ± 0.0015.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=67'

Burst Intensity/Peak: 2.34e-08/


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XRT_Image_433509-727

SWIFT alert 69. RA, Dec is (28.6825, 55.6286) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=69'


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XRT_Proc_Image_433509-728

SWIFT alert 78. RA, Dec is (28.6825, 55.6286) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=78'


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XRT_Spec_433509-729

SWIFT alert 68. RA, Dec is (28.6776, 55.6127) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=68'


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XRT_Proc_Spec_433509-730

SWIFT alert 77. RA, Dec is (28.6776, 55.6127) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=77'


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XRT_Lightcurve_433509-732

SWIFT alert 70. RA, Dec is (28.6775, 55.61) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=70'


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BAT_Lightcurve_433509-734

SWIFT alert 63. RA, Dec is (28.7092, 55.6138) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=63'


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BAT_Lightcurve_433509-735

SWIFT alert 63. RA, Dec is (28.7092, 55.6138) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=63'


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XRT_Spec_433509-737

SWIFT alert 68. RA, Dec is (28.6776, 55.6101) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=68'


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XRT_Proc_Spec_433509-739

SWIFT alert 77. RA, Dec is (28.6776, 55.6101) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=77'


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BAT_Scaledmap_433509-746

SWIFT alert 64. RA, Dec is (31.542, 14.925) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=64'


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UVOT_SrcList_433509-747

SWIFT alert 73. RA, Dec is (28.6774, 55.6103) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=73'


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UVOT_Proc_SrcList_433509-749

SWIFT alert 80. RA, Dec is (28.6774, 55.6103) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=80'


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UVOT_Image_433509-751

SWIFT alert 72. RA, Dec is (28.6774, 55.6103) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=72'


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UVOT_Proc_Image_433509-753

SWIFT alert 79. RA, Dec is (28.6774, 55.6103) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=79'


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BAT_Lightcurve_433509-754

SWIFT alert 63. RA, Dec is (28.7092, 55.6138) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=63'


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UVOT_Pos_433509-762

SWIFT alert 81. RA, Dec is (28.6838, 55.6304) ± 0.0001.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=81'


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GCN Circular 11227 from Scott Barthelmy at NASA/GSFC <scott@milkyway.gsfc.nasa.gov>
Trigger:433509
GRB:
Subject:GRB 100906A: Swift detection of a burst with an optical afterglow
C. B. Markwardt (NASA/GSFC), S. D. Barthelmy (GSFC), A. P. Beardmore (U Leicester), D. N. Burrows (PSU), V. D'Elia (ASDC), P. A. Evans (U Leicester), N. Gehrels (NASA/GSFC), J. M. Gelbord (PSU), O. Godet (U Leicester), J. A. Kennea (PSU), N. P. M. Kuin (UCL-MSSL), W.B Landsman (GSFC), O. M. Littlejohns (U Leicester), F. E. Marshall (NASA/GSFC), D. C. Morris (GWU/GSFC), P. T. O'Brien (U Leicester), K. L. Page (U Leicester), B. Sbarufatti (INAF-OAB/IASFPA), M. H. Siegel (PSU), R. L. C. Starling (U Leicester) and T. N. Ukwatta (GSFC/GWU) report on behalf of the Swift Team: At 13:49:27 UT, the Swift Burst Alert Telescope (BAT) triggered and located GRB 100906A (trigger=433509). Swift slewed immediately to the burst. The BAT on-board calculated location is RA, Dec 28.709, +55.614, which is RA(J2000) = 01h 54m 50s Dec(J2000) = +55d 36' 50" with an uncertainty of 3 arcmin (radius, 90% containment, including systematic uncertainty). The BAT light curve shows multiple bright peaks with a duration of about 130 sec. The peak count rate was ~11000 counts/sec (15-350 keV), at ~10 sec after the trigger. The XRT began observing the field at 13:50:47.6 UT, 80.2 seconds after the BAT trigger. Using promptly downlinked data we find a bright, fading, uncatalogued X-ray source located at RA, Dec 28.68305, 55.62985 which is equivalent to: RA(J2000) = 01h 54m 43.93s Dec(J2000) = +55d 37' 47.5" with an uncertainty of 3.8 arcseconds (radius, 90% containment). This location is 78 arcseconds from the BAT onboard position, within the BAT error circle. This position may be improved as more data are received; the latest position is available at http://www.swift.ac.uk/sper. A power-law fit to a spectrum formed from promptly downlinked event data gives a column density in excess of the Galactic value (2.21 x 10^21 cm^-2, Kalberla et al. 2005), with an excess column of 2.6 (+2.21/-1.90) x 10^21 cm^-2 (90% confidence). The initial flux in the 0.1 s image was 2.34e-08 erg cm^-2 s^-1 (0.2-10 keV). UVOT took a finding chart exposure of 250 seconds with the U filter starting 146 seconds after the BAT trigger. There is a candidate afterglow in the rapidly available 2.7'x2.7' sub-image at RA(J2000) = 01:54:44.11 = 28.68380 DEC(J2000) = +55:37:49.6 = 55.63045 with a 90%-confidence error radius of about 0.61 arc sec. This position is 1.6 arc sec. from the center of the XRT error circle. The estimated magnitude is 14.90 with a 1-sigma error of about 0.14. No correction has been made for the expected extinction corresponding to E(B-V) of 0.36. A bright XRT flare at ~120 s corresponds to the last peak in the prompt emission. The UVOT bright source is probably also associated in time with the flare. More information to follow. Burst Advocate for this burst is C. B. Markwardt (Craig.Markwardt AT nasa.gov). Please contact the BA by email if you require additional information regarding Swift followup of this burst. In extremely urgent cases, after trying the Burst Advocate, you can contact the Swift PI by phone (see Swift TOO web site for information: http://www.swift.psu.edu/too.html.)
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XRT_Pos_433509-780

SWIFT alert 67. RA, Dec is (28.6829, 55.63) ± 0.001.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=67'

Burst Intensity/Peak: 1.00e-10/


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BAT_Lightcurve_433509-782

SWIFT alert 63. RA, Dec is (28.7092, 55.6138) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=63'


Overview
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BAT_Lightcurve_433509-788

SWIFT alert 63. RA, Dec is (28.7092, 55.6138) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=63'


Overview
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None

UVOT_SrcList_433509-789

SWIFT alert 73. RA, Dec is (28.6774, 55.6102) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=73'


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UVOT_Proc_SrcList_433509-791

SWIFT alert 80. RA, Dec is (28.6774, 55.6102) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=80'


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UVOT_Image_433509-795

SWIFT alert 72. RA, Dec is (28.6774, 55.6102) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=72'


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UVOT_Proc_Image_433509-796

SWIFT alert 79. RA, Dec is (28.6774, 55.6102) ± 0.0.

For full information on the meaning of the parameters in this packet, see here and search for 'TYPE=79'


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GCN Circular 11233 from Scott Barthelmy at NASA/GSFC <scott@lheamail.gsfc.nasa.gov>
Trigger:433509
GRB:
Subject:GRB 100906A: Swift-BAT refined analysis
S. D. Barthelmy (GSFC), W. H. Baumgartner (GSFC/UMBC), J. R. Cummings (GSFC/UMBC), N. Gehrels (GSFC), H. A. Krimm (GSFC/USRA), C. B. Markwardt (GSFC/UMD), D. M. Palmer (LANL), T. Sakamoto (GSFC/UMBC), M. Stamatikos (OSU), J. Tueller (GSFC), T. N. Ukwatta (GWU) (i.e. the Swift-BAT team): Using the data set from T-61 to T+242 sec from the recent telemetry downlink, we report further analysis of BAT GRB 100906A (trigger #433509) (Markwardt, et al., GCN Circ. 11227). The BAT ground-calculated position is RA, Dec = 28.697, 55.634 deg, which is RA(J2000) = 01h 54m 47.4s Dec(J2000) = +55d 38' 03.7" with an uncertainty of 1.0 arcmin, (radius, sys+stat, 90% containment). The partial coding was 46%. The mask-weighted light curve shows several bright peaks. The first pair of overlapping peaks starts at ~T-0.2 sec, peaks at ~T+2 and ~T+10 sec, and almost returns to background at ~T+35 sec. There is a small peak at ~T+50 sec. Then there are four overlapping peaks from ~T+100 to ~T+118 sec. T90 (15-350 keV) is 114.4 +- 1.6 sec (estimated error including systematics). The time-averaged spectrum from T-0.2 to T+130.5 sec is best fit by a simple power-law model. The power law index of the time-averaged spectrum is 1.78 +- 0.03. The fluence in the 15-150 keV band is 1.2 +- 0.0 x 10^-5 erg/cm2. The 1-sec peak photon flux measured from T+10.48 sec in the 15-150 keV band is 10.1 +- 0.4 ph/cm2/sec. All the quoted errors are at the 90% confidence level. The results of the batgrbproduct analysis are available at http://gcn.gsfc.nasa.gov/notices_s/433509/BA/

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