TDRSS lightcurve for Trigger=1144698

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 16 Dec 22 11:21:34 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1144698,   Seg_Num: 0
GRB_RA:          326.021d {+21h 44m 05s} (J2000),
                 326.364d {+21h 45m 27s} (current),
                 325.272d {+21h 41m 05s} (1950)
GRB_DEC:         -34.405d {-34d 24' 17"} (J2000),
                 -34.299d {-34d 17' 55"} (current),
                 -34.635d {-34d 38' 04"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2091 [cnts]    Image_Peak=169 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       10787 [cnts]
BKG_TIME:        40865.59 SOD {11:21:05.59} UT
BKG_DUR:         8 [sec]
GRB_DATE:        19929 TJD;   350 DOY;   22/12/16
GRB_TIME:        40880.95 SOD {11:21:20.95} UT
GRB_PHI:         -18.24 [deg]
GRB_THETA:        15.71 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     17.83 [sigma]
IMAGE_SIGNIF:    9.84 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +0  +0  +0 -57  +0 
SUN_POSTN:       263.98d {+17h 35m 56s}  -23.32d {-23d 19' 12"}
SUN_DIST:         54.92 [deg]   Sun_angle= -4.2 [hr] (East of Sun)
MOON_POSTN:      177.42d {+11h 49m 42s}   +5.21d {+05d 12' 25"}
MOON_DIST:       139.10 [deg]
MOON_ILLUM:      49 [%]
GAL_COORDS:       10.74,-49.46 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      316.56,-19.57 [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 = 142.50,-19.84 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(2.0<100sec) coincident with the FERMI_GBM event (trignum=692882483).

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 16 Dec 22 11:38:14 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1144698,   Seg_Num: 0
GRB_RA:          326.021d {+21h 44m 05s} (J2000),
                 326.364d {+21h 45m 27s} (current),
                 325.272d {+21h 41m 05s} (1950)
GRB_DEC:         -34.405d {-34d 24' 17"} (J2000),
                 -34.299d {-34d 17' 55"} (current),
                 -34.635d {-34d 38' 04"} (1950)
GRB_DATE:        19929 TJD;   350 DOY;   22/12/16
GRB_TIME:        40880.95 SOD {11:21:20.95} UT
TRIGGER_INDEX:   146
GRB_PHI:         -18.24 [deg]
GRB_THETA:        15.71 [deg]
DELTA_TIME:      64.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     17.83 [sigma]
IMAGE_SIGNIF:    9.84 [sigma]
LC_URL:          sw01144698000msb.lc

GCN template for BAT paragraph

  • Click here! 
    At 11:21:20 UT, the Swift Burst Alert Telescope (BAT) triggered and
located GRB 221216 ***A*** (trigger=1144698).  Swift slewed immediately to the burst.
The BAT on-board calculated location is 
RA, Dec 326.021, -34.405 which is 
   RA(J2000) = 21h 44m 05s
   Dec(J2000) = -34d 24' 17"
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 ~1640 counts/sec (15-350 keV), at ~0 sec after the trigger.
  • Test version of draft template

    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: 102.528 s +/- 72.768 s
  Estimated T50 duration: 88.448 s +/- 74.1761 s
  Estimated Peak Interval: MET   692882679.48799992 +/- 0.500000 s
  Estimated background rate 1:     2602.222 near MET 692882495.200000 s
  Estimated background rate 2:     2578.613 near MET 692882691.776000 s
  Estimated total duration: 183.232 s (for data selection)
       (from MET 692882502.400000 to MET 692882685.632000)
  Estimated total fluence: 16963.178246 count
  Created GTI with 26 entries
------------------------------------------

    Search for this GRB position to the previously BAT detected GRB positions (search radius within 5 arcmin)

    bat_grb_pos_cat.sh 326.021 -34.405 0.083
No match

    Search for this GRB position to the source locations in BAT transient monitor (search radius within 12 arcmin)

    python compare_catalog.py 326.021 -34.405
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: 2022 12 16 11 287.808740  -15.409457
 Obj: 2022 12 16 11 265.620136  -68.450788
  • the object visibility at GSFC, Greenbelt, Maryland 
     
MMT Observatory, Mt. Hopkins, Arizona
      TimeUT       Azimuth     Elevation
 Sun: 2022 12 16 11 274.458406  -41.270825
 Obj: 2022 12 16 11 65.833093  -83.065411
  • the object visibility at MMT, Mt. Hopkins, Arizona 
     
Hale Telescope, Palomar Mountain, California
      TimeUT       Azimuth     Elevation
 Sun: 2022 12 16 11 269.823703  -46.372683
 Obj: 2022 12 16 11 81.443297  -78.636130
  • the object visibility at Hale Telescope, Palomar Mt., California 
     
Mauna Kea, Hawaii
      TimeUT       Azimuth     Elevation
 Sun: 2022 12 16 11 292.151094  -79.952821
 Obj: 2022 12 16 11 61.242893  -41.859457
  • the object visibility at Mauna Kea, Hawaii 
     
Siding Spring Obs., Australia
      TimeUT       Azimuth     Elevation
 Sun: 2022 12 16 11 44.104375  -20.280538
 Obj: 2022 12 16 11 65.960869  30.465039
  • the object visibility at Siding Spring Obs., Australia 
     
Tokyo, Japan
      TimeUT       Azimuth     Elevation
 Sun: 2022 12 16 11 84.171331  -35.488838
 Obj: 2022 12 16 11 43.130507  3.750829
  • the object visibility at Tokyo, Japan 
     
William Herschel Telescope, La Palma, Canary Islands, Spain
      TimeUT       Azimuth     Elevation
 Sun: 2022 12 16 11 325.769047  29.318042
 Obj: 2022 12 16 11 299.280883  -19.303340
  • the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain 
     
Gemini South, Cerro Pachon, Chile
      TimeUT       Azimuth     Elevation
 Sun: 2022 12 16 11 288.396728  15.267814
 Obj: 2022 12 16 11 332.301654  -18.607088
  • the object visibility at Gemini South, Cerro Pachon, Chile 
     
 
 
The data/results are in /local/data/bat1/prebascript/trigger1144698/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 Dec 16 06:39:42 EST 2022