TDRSS lightcurve for Trigger=1216804
Notes:
- 1) None of the TDRSS light curves are background subtracted.
GCN BAT Position Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Thu 22 Feb 24 08:51:49 UT
NOTICE_TYPE: Swift-BAT GRB Position
TRIGGER_NUM: 1216804, Seg_Num: 0
GRB_RA: 143.248d {+09h 32m 59s} (J2000),
143.358d {+09h 33m 26s} (current),
143.019d {+09h 32m 05s} (1950)
GRB_DEC: -68.029d {-68d 01' 43"} (J2000),
-68.137d {-68d 08' 11"} (current),
-67.806d {-67d 48' 21"} (1950)
GRB_ERROR: 3.00 [arcmin radius, statistical only]
GRB_INTEN: 3160 [cnts] Image_Peak=205 [image_cnts]
TRIGGER_DUR: 1.024 [sec]
TRIGGER_INDEX: 155 E_range: 50-350 keV
BKG_INTEN: 14313 [cnts]
BKG_TIME: 31879.04 SOD {08:51:19.04} UT
BKG_DUR: 8 [sec]
GRB_DATE: 20362 TJD; 53 DOY; 24/02/22
GRB_TIME: 31891.32 SOD {08:51:31.32} UT
GRB_PHI: -157.90 [deg]
GRB_THETA: 24.29 [deg]
SOLN_STATUS: 0x20000003
RATE_SIGNIF: 29.22 [sigma]
IMAGE_SIGNIF: 9.35 [sigma]
MERIT_PARAMS: +1 +0 +0 +0 +3 +0 +0 +0 +19 +0
SUN_POSTN: 335.15d {+22h 20m 37s} -10.32d {-10d 19' 18"}
SUN_DIST: 101.09 [deg] Sun_angle= -11.2 [hr] (East of Sun)
MOON_POSTN: 133.33d {+08h 53m 20s} +22.40d {+22d 24' 01"}
MOON_DIST: 90.84 [deg]
MOON_ILLUM: 96 [%]
GAL_COORDS: 286.00,-11.95 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 208.61,-70.03 [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 = 201.49,-6.57 [deg].
COMMENTS:
COMMENTS: NOTE: This BAT event is temporally(0.0<100sec) coincident with the FERMI_GBM event (trignum=730284696).
GCN BAT Lightcurve Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Thu 22 Feb 24 09:14:07 UT
NOTICE_TYPE: Swift-BAT GRB Lightcurve
TRIGGER_NUM: 1216804, Seg_Num: 0
GRB_RA: 143.248d {+09h 32m 59s} (J2000),
143.358d {+09h 33m 26s} (current),
143.019d {+09h 32m 05s} (1950)
GRB_DEC: -68.029d {-68d 01' 43"} (J2000),
-68.137d {-68d 08' 11"} (current),
-67.806d {-67d 48' 21"} (1950)
GRB_DATE: 20362 TJD; 53 DOY; 24/02/22
GRB_TIME: 31891.32 SOD {08:51:31.32} UT
TRIGGER_INDEX: 155
GRB_PHI: -157.90 [deg]
GRB_THETA: 24.29 [deg]
DELTA_TIME: 51.00 [sec]
TRIGGER_DUR: 1.024 [sec]
SOLN_STATUS: 0x3
RATE_SIGNIF: 29.22 [sigma]
IMAGE_SIGNIF: 9.35 [sigma]
LC_URL: sw01216804000msb.lc
GCN template for BAT paragraph
Click here!
At 08:51:31 UT, the Swift Burst Alert Telescope (BAT) triggered and
located GRB 240222 ***A*** (trigger=1216804). Swift slewed immediately to the burst.
The BAT on-board calculated location is
RA, Dec 143.248, -68.029 which is
RA(J2000) = 09h 32m 59s
Dec(J2000) = -68d 01' 43"
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 ~3207 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: 10.56 s +/- 0.256 s
Estimated T50 duration: 2.176 s +/- 0.896 s
Estimated Peak Interval: MET 730284724.67199993 +/- 0.500000 s
Estimated background rate 1: 4322.308 near MET 730284711.200000 s
Estimated background rate 2: 4333.554 near MET 730284821.760000 s
Estimated total duration: 11.2 s (for data selection)
(from MET 730284721.600000 to MET 730284732.800000)
Estimated total fluence: 5248.848272 count
Created GTI with 8 entries
------------------------------------------
Search for this GRB position to the previously BAT detected GRB positions (search radius within 5 arcmin)
bat_grb_pos_cat.sh 143.248 -68.029 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 143.248 -68.029
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 2 22 9 254.413432 -34.061102
Obj: 2024 2 22 9 22.628570 -27.845111
the object visibility at GSFC, Greenbelt, Maryland
MMT Observatory, Mt. Hopkins, Arizona
TimeUT Azimuth Elevation
Sun: 2024 2 22 9 225.664961 -61.614791
Obj: 2024 2 22 9 11.681843 -12.678864
the object visibility at MMT, Mt. Hopkins, Arizona
Hale Telescope, Palomar Mountain, California
TimeUT Azimuth Elevation
Sun: 2024 2 22 9 212.879366 -63.525942
Obj: 2024 2 22 9 9.678872 -13.380524
the object visibility at Hale Telescope, Palomar Mt., California
Mauna Kea, Hawaii
TimeUT Azimuth Elevation
Sun: 2024 2 22 9 108.481502 -64.692748
Obj: 2024 2 22 9 355.359987 1.512107
the object visibility at Mauna Kea, Hawaii
Siding Spring Obs., Australia
TimeUT Azimuth Elevation
Sun: 2024 2 22 9 75.888372 -3.222428
Obj: 2024 2 22 9 334.400301 36.922029
the object visibility at Siding Spring Obs., Australia
Tokyo, Japan
TimeUT Azimuth Elevation
Sun: 2024 2 22 9 77.869401 -0.624577
Obj: 2024 2 22 9 334.731293 -29.740527
the object visibility at Tokyo, Japan
William Herschel Telescope, La Palma, Canary Islands, Spain
TimeUT Azimuth Elevation
Sun: 2024 2 22 9 290.818958 14.681111
Obj: 2024 2 22 9 23.216625 -39.365803
the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
Gemini South, Cerro Pachon, Chile
TimeUT Azimuth Elevation
Sun: 2024 2 22 9 295.235223 -19.446777
Obj: 2024 2 22 9 25.487481 34.607059
the object visibility at Gemini South, Cerro Pachon, Chile
The data/results are in /local/data/bat1/prebascript/trigger1216804/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:
Thu Feb 22 04:14:43 EST 2024