TDRSS lightcurve for Trigger=1218903
Notes:
- 1) None of the TDRSS light curves are background subtracted.
GCN BAT Position Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Wed 06 Mar 24 01:11:23 UT
NOTICE_TYPE: Swift-BAT GRB Position
TRIGGER_NUM: 1218903, Seg_Num: 0
GRB_RA: 299.234d {+19h 56m 56s} (J2000),
299.460d {+19h 57m 50s} (current),
298.766d {+19h 55m 04s} (1950)
GRB_DEC: +35.427d {+35d 25' 38"} (J2000),
+35.493d {+35d 29' 35"} (current),
+35.292d {+35d 17' 32"} (1950)
GRB_ERROR: 3.00 [arcmin radius, statistical only]
GRB_INTEN: 0 [cnts] Image_Peak=1631 [image_cnts]
TRIGGER_DUR: 64.000 [sec]
TRIGGER_INDEX: 20000 E_range: 15-50 keV
BKG_INTEN: 0 [cnts]
BKG_TIME: 0.00 SOD {00:00:00.00} UT
BKG_DUR: 0 [sec]
GRB_DATE: 20375 TJD; 66 DOY; 24/03/06
GRB_TIME: 4206.96 SOD {01:10:06.96} UT
GRB_PHI: -161.55 [deg]
GRB_THETA: 43.16 [deg]
SOLN_STATUS: 0x413
RATE_SIGNIF: 0.00 [sigma]
IMAGE_SIGNIF: 8.59 [sigma]
MERIT_PARAMS: +1 +0 +0 +6 +1 -1 +0 +1 -48 +0
SUN_POSTN: 347.08d {+23h 08m 18s} -5.54d {-05d 32' 13"}
SUN_DIST: 60.64 [deg] Sun_angle= 3.2 [hr] (West of Sun)
MOON_POSTN: 288.18d {+19h 12m 43s} -27.63d {-27d 37' 51"}
MOON_DIST: 64.02 [deg]
MOON_ILLUM: 25 [%]
GAL_COORDS: 71.38, 3.43 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 313.33, 54.56 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS: SWIFT-BAT GRB Coordinates.
COMMENTS: This is an image trigger. (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)
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 = 102.36,20.47 [deg].
COMMENTS:
COMMENTS: This trigger occured while the StarTracker had lost lock, so it is possibly bogus.
GCN BAT Lightcurve Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Wed 06 Mar 24 01:14:12 UT
NOTICE_TYPE: Swift-BAT GRB Lightcurve
TRIGGER_NUM: 1218903, Seg_Num: 0
GRB_RA: 299.234d {+19h 56m 56s} (J2000),
299.460d {+19h 57m 50s} (current),
298.766d {+19h 55m 04s} (1950)
GRB_DEC: +35.427d {+35d 25' 38"} (J2000),
+35.493d {+35d 29' 35"} (current),
+35.292d {+35d 17' 32"} (1950)
GRB_DATE: 20375 TJD; 66 DOY; 24/03/06
GRB_TIME: 4206.96 SOD {01:10:06.96} UT
TRIGGER_INDEX: 20000
GRB_PHI: -161.55 [deg]
GRB_THETA: 43.16 [deg]
DELTA_TIME: 0.00 [sec]
TRIGGER_DUR: 64.000 [sec]
SOLN_STATUS: 0x413
RATE_SIGNIF: 0.00 [sigma]
IMAGE_SIGNIF: 8.59 [sigma]
LC_URL: sw01218903000msb.lc
GCN template for BAT paragraph
Click here!
At 01:10:06 UT, the Swift Burst Alert Telescope (BAT) triggered and
located GRB 240306 ***A*** (trigger=1218903). Swift slewed immediately to the burst.
The BAT on-board calculated location is
RA, Dec 299.234, +35.427 which is
RA(J2000) = 19h 56m 56s
Dec(J2000) = +35d 25' 38"
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 ~1164 counts/sec (15-350 keV), at ~3 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
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: 16.384 s +/- 4.096 s
Estimated T50 duration: 12.288 s +/- 4.096 s
Estimated Peak Interval: MET 731380358.33599997 +/- 0.500000 s
Estimated background rate 1: 4624.662 near MET 731380284.096000 s
Estimated background rate 2: 4414.950 near MET 731380403.392000 s
Estimated total duration: 28.672 s (for data selection)
(from MET 731380352.192000 to MET 731380380.864000)
Estimated total fluence: 752.393097 count
Created GTI with 3 entries
------------------------------------------
Search for this GRB position to the previously BAT detected GRB positions (search radius within 5 arcmin)
bat_grb_pos_cat.sh 299.234 35.427 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 299.234 35.427
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: 2024 3 6 1 101.744114 -22.696178
Obj: 2024 3 6 1 165.337827 -13.790086
the object visibility at GSFC, Greenbelt, Maryland
MMT Observatory, Mt. Hopkins, Arizona
TimeUT Azimuth Elevation
Sun: 2024 3 6 1 80.430219 4.815327
Obj: 2024 3 6 1 139.987666 -7.251571
the object visibility at MMT, Mt. Hopkins, Arizona
Hale Telescope, Palomar Mountain, California
TimeUT Azimuth Elevation
Sun: 2024 3 6 1 76.881150 9.435202
Obj: 2024 3 6 1 136.540081 -2.650221
the object visibility at Hale Telescope, Palomar Mt., California
Mauna Kea, Hawaii
TimeUT Azimuth Elevation
Sun: 2024 3 6 1 58.301775 46.239062
Obj: 2024 3 6 1 122.540973 16.176514
the object visibility at Mauna Kea, Hawaii
Siding Spring Obs., Australia
TimeUT Azimuth Elevation
Sun: 2024 3 6 1 218.967756 58.543465
Obj: 2024 3 6 1 155.979314 18.065838
the object visibility at Siding Spring Obs., Australia
Tokyo, Japan
TimeUT Azimuth Elevation
Sun: 2024 3 6 1 312.562951 37.635906
Obj: 2024 3 6 1 99.805031 80.301185
the object visibility at Tokyo, Japan
William Herschel Telescope, La Palma, Canary Islands, Spain
TimeUT Azimuth Elevation
Sun: 2024 3 6 1 164.662247 -66.072607
Obj: 2024 3 6 1 213.865688 -14.864750
the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
Gemini South, Cerro Pachon, Chile
TimeUT Azimuth Elevation
Sun: 2024 3 6 1 68.329285 -22.984175
Obj: 2024 3 6 1 120.842353 -78.942531
the object visibility at Gemini South, Cerro Pachon, Chile
The data/results are in /local/data/bat1/prebascript/trigger1218903/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:
Tue Mar 5 20:15:02 EST 2024