TDRSS lightcurve for Trigger=539358
Notes:
- 1) None of the TDRSS light curves are background subtracted.
GCN BAT Position Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Fri 23 Nov 12 10:03:45 UT
NOTICE_TYPE: Swift-BAT GRB Position
TRIGGER_NUM: 539358, Seg_Num: 0
GRB_RA: 307.362d {+20h 29m 27s} (J2000),
307.539d {+20h 30m 09s} (current),
306.674d {+20h 26m 42s} (1950)
GRB_DEC: -11.860d {-11d 51' 34"} (J2000),
-11.816d {-11d 48' 56"} (current),
-12.027d {-12d 01' 37"} (1950)
GRB_ERROR: 3.00 [arcmin radius, statistical only]
GRB_INTEN: 27825 [cnts] Image_Peak=507 [image_cnts]
TRIGGER_DUR: 8.192 [sec]
TRIGGER_INDEX: 477 E_range: 25-100 keV
BKG_INTEN: 203081 [cnts]
BKG_TIME: 36070.09 SOD {10:01:10.09} UT
BKG_DUR: 64 [sec]
GRB_DATE: 16254 TJD; 328 DOY; 12/11/23
GRB_TIME: 36161.29 SOD {10:02:41.29} UT
GRB_PHI: 177.74 [deg]
GRB_THETA: 28.11 [deg]
SOLN_STATUS: 0x3
RATE_SIGNIF: 8.42 [sigma]
IMAGE_SIGNIF: 8.11 [sigma]
MERIT_PARAMS: +1 +0 +0 +3 +2 -2 +0 +0 -41 +0
SUN_POSTN: 239.40d {+15h 57m 37s} -20.46d {-20d 27' 47"}
SUN_DIST: 65.60 [deg] Sun_angle= -4.5 [hr] (East of Sun)
MOON_POSTN: 2.61d {+00h 10m 26s} +5.72d {+05d 42' 56"}
MOON_DIST: 57.50 [deg]
MOON_ILLUM: 77 [%]
GAL_COORDS: 33.07,-27.06 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 306.75, 6.94 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS: SWIFT-BAT GRB Coordinates.
COMMENTS: This is a rate trigger.
COMMENTS: A point_source was found.
COMMENTS: This does not match any source in the on-board catalog.
COMMENTS: This does not match any source in the ground catalog.
COMMENTS: This is a GRB.
COMMENTS: This trigger occurred at longitude,latitude = 89.04,20.33 [deg].
GCN BAT Lightcurve Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Fri 23 Nov 12 10:21:12 UT
NOTICE_TYPE: Swift-BAT GRB Lightcurve
TRIGGER_NUM: 539358, Seg_Num: 0
GRB_RA: 307.362d {+20h 29m 27s} (J2000),
307.539d {+20h 30m 09s} (current),
306.674d {+20h 26m 42s} (1950)
GRB_DEC: -11.860d {-11d 51' 34"} (J2000),
-11.816d {-11d 48' 56"} (current),
-12.027d {-12d 01' 37"} (1950)
GRB_DATE: 16254 TJD; 328 DOY; 12/11/23
GRB_TIME: 36161.29 SOD {10:02:41.29} UT
TRIGGER_INDEX: 477
GRB_PHI: 177.74 [deg]
GRB_THETA: 28.11 [deg]
DELTA_TIME: 0.00 [sec]
TRIGGER_DUR: 8.192 [sec]
SOLN_STATUS: 0x3
RATE_SIGNIF: 8.42 [sigma]
IMAGE_SIGNIF: 8.11 [sigma]
LC_URL: sw00539358000msb.lc
GCN template for BAT paragraph
Click here!
At 10:02:41 UT, the Swift Burst Alert Telescope (BAT) triggered and
located GRB 121123 ***A*** (trigger=539358). Swift slewed immediately to the burst.
The BAT on-board calculated location is
RA, Dec 307.362, -11.860 which is
RA(J2000) = 20h 29m 27s
Dec(J2000) = -11d 51' 34"
with an uncertainty of 3 arcmin (radius, 90% containment, including
systematic uncertainty). The BAT light curve showed a [**double-peaked**]
structure with a duration of about TTT sec. The peak count rate
was ~1623 counts/sec (15-350 keV), at ~0 sec after the trigger.
Initial TDRSS lightcurve and spacecraft attitude plot
TDRSS lightcurve from T0-30 to T0+50 (zoom in)
TDRSS light curve from T0-1 to T0+2 (More zoom in)
1.6s binned TDRSS light curve
Tilan's background subtracted TDRSS light curves
Extended TDRSS light curve and spacecraft attitude plot(s)
Extended TDRSS lc No.1
Extended TDRSS lc No.2
Extended TDRSS lc No.3
Extended TDRSS lc No.4
TDRSS extended lightcurve from T0-1 to T0+2
T50 and T90 calculation
******************************************
battblocks v1.18
------------------------------------------
Input Data: bat_raw_lc.fits
Output GTI: bb.gti
Events to Skip: 128 Changepoint log(prob) Prior: 6.000000
Internal Tick: 1.000000e-04 s
Lookback time: 0 s
Bkg. Subtract?: yes (for fluence/T50/T90 calculations)
------------------------------------------
Estimated T90 duration: 77.952 s +/- 2.89772 s
Estimated T50 duration: 42.24 s +/- 2.90196 s
Estimated Peak Interval: MET 375357823.99999994 +/- 0.500000 s
Estimated background rate 1: 6492.766 near MET 375357759.296000 s
Estimated background rate 2: 6416.515 near MET 375357910.016000 s
Estimated total duration: 91.52 s (for data selection)
(from MET 375357771.392000 to MET 375357862.912000)
Estimated total fluence: 14857.442950 count
Created GTI with 5 entries
------------------------------------------
Search for this GRB position to the previously BAT detected GRB positions (search radius within 5 arcmin)
bat_grb_pos_cat.sh 307.362 -11.860 0.083
No match
Link to SIMBAD
Click here for the SIMBAD search!
Frank's UVOT result
Click here!
Frank's UVOT Blinking images
Click here!
Elevation angle of GRB/Sun at the ground telescope locations
GSFC, Greenbelt, Maryland
TimeUT Azimuth Elevation
Sun: 2012 11 23 10 278.083639 -23.380047
Obj: 2012 11 23 10 196.530782 -61.946873
the object visibility at GSFC, Greenbelt, Maryland
MMT Observatory, Mt. Hopkins, Arizona
TimeUT Azimuth Elevation
Sun: 2012 11 23 10 263.798223 -50.934984
Obj: 2012 11 23 10 123.675466 -58.810596
the object visibility at MMT, Mt. Hopkins, Arizona
Hale Telescope, Palomar Mountain, California
TimeUT Azimuth Elevation
Sun: 2012 11 23 10 257.263859 -55.637380
Obj: 2012 11 23 10 118.681549 -53.634455
the object visibility at Hale Telescope, Palomar Mt., California
Mauna Kea, Hawaii
TimeUT Azimuth Elevation
Sun: 2012 11 23 10 74.883396 -87.490736
Obj: 2012 11 23 10 84.868476 -21.963968
the object visibility at Mauna Kea, Hawaii
Siding Spring Obs., Australia
TimeUT Azimuth Elevation
Sun: 2012 11 23 10 55.015824 -14.039691
Obj: 2012 11 23 10 99.000525 36.857074
the object visibility at Siding Spring Obs., Australia
Tokyo, Japan
TimeUT Azimuth Elevation
Sun: 2012 11 23 10 80.658488 -23.733945
Obj: 2012 11 23 10 44.152226 31.813543
the object visibility at Tokyo, Japan
William Herschel Telescope, La Palma, Canary Islands, Spain
TimeUT Azimuth Elevation
Sun: 2012 11 23 10 313.343525 24.328369
Obj: 2012 11 23 10 269.650629 -25.862870
the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
Gemini South, Cerro Pachon, Chile
TimeUT Azimuth Elevation
Sun: 2012 11 23 10 291.671422 3.556046
Obj: 2012 11 23 10 340.482953 -45.841733
the object visibility at Gemini South, Cerro Pachon, Chile
The data/results are in /local/data/raid2/prebascript/trigger539358/tdrss_ql/
bat_raw_lc.fits : TDRSS FITS light curve from GCN
gcn_position.txt : GCN BAT position notice
ratelc_tdrss.qdp : QDP file of the TDRSS light curve
tdrss_lc.gif : GIF TDRSS light curve
sc_att.qdp : QDP file of the spacecraft attitude
sc_att.gif : GIF spacecraft attitude
bb.gti : Bayesian block GTI file (battblocks)
dur.gti : Duration GTI file (battblocks)
battblocks.log : Output log of battblocks
Plot creation:
Fri Nov 23 05:25:46 EST 2012