TDRSS lightcurve for Trigger=871316

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 10 Nov 18 08:43:54 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     871316,   Seg_Num: 0
GRB_RA:          302.342d {+20h 09m 22s} (J2000),
                 302.651d {+20h 10m 36s} (current),
                 301.524d {+20h 06m 06s} (1950)
GRB_DEC:         -36.903d {-36d 54' 08"} (J2000),
                 -36.846d {-36d 50' 45"} (current),
                 -37.050d {-37d 02' 58"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       3039 [cnts]    Image_Peak=162 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       18536 [cnts]
BKG_TIME:        31394.10 SOD {08:43:14.10} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18432 TJD;   314 DOY;   18/11/10
GRB_TIME:        31411.31 SOD {08:43:31.31} UT
GRB_PHI:         165.64 [deg]
GRB_THETA:        11.09 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.88 [sigma]
IMAGE_SIGNIF:    7.48 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -2  +0  +0 -34  +0 
SUN_POSTN:       225.44d {+15h 01m 45s}  -17.16d {-17d 09' 50"}
SUN_DIST:         69.74 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      259.46d {+17h 17m 51s}  -19.96d {-19d 57' 46"}
MOON_DIST:        41.14 [deg]
MOON_ILLUM:      8 [%]
GAL_COORDS:        4.23,-30.74 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      296.48,-16.39 [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 = 105.70,16.69 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 10 Nov 18 09:04:28 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     871316,   Seg_Num: 0
GRB_RA:          302.342d {+20h 09m 22s} (J2000),
                 302.651d {+20h 10m 36s} (current),
                 301.524d {+20h 06m 06s} (1950)
GRB_DEC:         -36.903d {-36d 54' 08"} (J2000),
                 -36.846d {-36d 50' 45"} (current),
                 -37.050d {-37d 02' 58"} (1950)
GRB_DATE:        18432 TJD;   314 DOY;   18/11/10
GRB_TIME:        31411.31 SOD {08:43:31.31} UT
TRIGGER_INDEX:   146
GRB_PHI:         165.64 [deg]
GRB_THETA:        11.09 [deg]
DELTA_TIME:      38.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     12.88 [sigma]
IMAGE_SIGNIF:    7.48 [sigma]
LC_URL:          sw00871316000msb.lc

GCN template for BAT paragraph

  • Click here!
    At 08:43:31 UT, the Swift Burst Alert Telescope (BAT) triggered and
    located GRB 181110 ***A*** (trigger=871316).  Swift slewed immediately to the burst.
    The BAT on-board calculated location is 
    RA, Dec 302.342, -36.903 which is 
       RA(J2000) = 20h 09m 22s
       Dec(J2000) = -36d 54' 08"
    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 ~3870 counts/sec (15-350 keV), at ~10 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: 99.072 s +/- 2.90513 s
      Estimated T50 duration: 39.936 s +/- 2.90196 s
      Estimated Peak Interval: MET   563532286.39999998 +/- 0.500000 s
      Estimated background rate 1:     4195.000 near MET 563532211.200000 s
      Estimated background rate 2:     3979.667 near MET 563532390.848000 s
      Estimated total duration: 149.376 s (for data selection)
           (from MET 563532212.800000 to MET 563532362.176000)
      Estimated total fluence: 112979.470332 count
      Created GTI with 30 entries
    ------------------------------------------
     
    

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

    bat_grb_pos_cat.sh 302.342 -36.903 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: 2018 11 10 9 266.184230  -32.609038
     Obj: 2018 11 10 9 95.113491  -77.569593
    
  • the object visibility at GSFC, Greenbelt, Maryland
     
    MMT Observatory, Mt. Hopkins, Arizona
          TimeUT       Azimuth     Elevation
     Sun: 2018 11 10 9 246.445801  -61.095761
     Obj: 2018 11 10 9 68.687899  -49.205285
    
  • the object visibility at MMT, Mt. Hopkins, Arizona
     
    Hale Telescope, Palomar Mountain, California
          TimeUT       Azimuth     Elevation
     Sun: 2018 11 10 9 235.597730  -64.709618
     Obj: 2018 11 10 9 69.101818  -45.097134
    
  • the object visibility at Hale Telescope, Palomar Mt., California
     
    Mauna Kea, Hawaii
          TimeUT       Azimuth     Elevation
     Sun: 2018 11 10 9 96.628227  -73.738220
     Obj: 2018 11 10 9 53.823253  -8.617933
    
  • the object visibility at Mauna Kea, Hawaii
     
    Siding Spring Obs., Australia
          TimeUT       Azimuth     Elevation
     Sun: 2018 11 10 9 66.163654  -5.399869
     Obj: 2018 11 10 9 69.174816  64.309943
    
  • the object visibility at Siding Spring Obs., Australia
     
    Tokyo, Japan
          TimeUT       Azimuth     Elevation
     Sun: 2018 11 10 9 76.212254  -10.424968
     Obj: 2018 11 10 9 11.538347  17.568873
    
  • the object visibility at Tokyo, Japan
     
    William Herschel Telescope, La Palma, Canary Islands, Spain
          TimeUT       Azimuth     Elevation
     Sun: 2018 11 10 9 300.962978  16.518517
     Obj: 2018 11 10 9 294.108356  -52.941622
    
  • the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
     
    Gemini South, Cerro Pachon, Chile
          TimeUT       Azimuth     Elevation
     Sun: 2018 11 10 9 296.444695  -9.578888
     Obj: 2018 11 10 9 8.331367  -22.244801
    
  • the object visibility at Gemini South, Cerro Pachon, Chile
     
     
     
    The data/results are in /local/data/bat1/prebascript/trigger871316/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:
    Sat Nov 10 04:04:43 EST 2018