TDRSS lightcurve for Trigger=1061284
Notes:
- 1) None of the TDRSS light curves are background subtracted.
GCN BAT Position Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Fri 23 Jul 21 14:46:30 UT
NOTICE_TYPE: Swift-BAT GRB Position
TRIGGER_NUM: 1061284, Seg_Num: 0
GRB_RA: 121.726d {+08h 06m 54s} (J2000),
121.936d {+08h 07m 45s} (current),
121.239d {+08h 04m 57s} (1950)
GRB_DEC: -32.889d {-32d 53' 20"} (J2000),
-32.953d {-32d 57' 08"} (current),
-32.744d {-32d 44' 37"} (1950)
GRB_ERROR: 3.00 [arcmin radius, statistical only]
GRB_INTEN: 3612 [cnts] Image_Peak=359 [image_cnts]
TRIGGER_DUR: 1.024 [sec]
TRIGGER_INDEX: 146 E_range: 25-100 keV
BKG_INTEN: 14955 [cnts]
BKG_TIME: 53156.57 SOD {14:45:56.57} UT
BKG_DUR: 8 [sec]
GRB_DATE: 19418 TJD; 204 DOY; 21/07/23
GRB_TIME: 53170.91 SOD {14:46:10.91} UT
GRB_PHI: -15.33 [deg]
GRB_THETA: 31.30 [deg]
SOLN_STATUS: 0x3
RATE_SIGNIF: 36.34 [sigma]
IMAGE_SIGNIF: 14.56 [sigma]
MERIT_PARAMS: +1 +0 +0 +0 +2 +3 +0 +1 -60 +0
SUN_POSTN: 123.19d {+08h 12m 46s} +19.94d {+19d 56' 18"}
SUN_DIST: 52.90 [deg] Sun_angle= 0.1 [hr] (West of Sun)
MOON_POSTN: 296.94d {+19h 47m 45s} -24.84d {-24d 50' 18"}
MOON_DIST: 122.01 [deg]
MOON_ILLUM: 100 [%]
GAL_COORDS: 250.31, -0.34 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS: 135.15,-51.47 [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 = 300.10,2.96 [deg].
GCN BAT Lightcurve Notice
TITLE: GCN/SWIFT NOTICE
NOTICE_DATE: Fri 23 Jul 21 15:06:50 UT
NOTICE_TYPE: Swift-BAT GRB Lightcurve
TRIGGER_NUM: 1061284, Seg_Num: 0
GRB_RA: 121.726d {+08h 06m 54s} (J2000),
121.936d {+08h 07m 45s} (current),
121.239d {+08h 04m 57s} (1950)
GRB_DEC: -32.889d {-32d 53' 20"} (J2000),
-32.953d {-32d 57' 08"} (current),
-32.744d {-32d 44' 37"} (1950)
GRB_DATE: 19418 TJD; 204 DOY; 21/07/23
GRB_TIME: 53170.91 SOD {14:46:10.91} UT
TRIGGER_INDEX: 146
GRB_PHI: -15.33 [deg]
GRB_THETA: 31.30 [deg]
DELTA_TIME: 6.00 [sec]
TRIGGER_DUR: 1.024 [sec]
SOLN_STATUS: 0x3
RATE_SIGNIF: 36.34 [sigma]
IMAGE_SIGNIF: 14.56 [sigma]
LC_URL: sw01061284000msb.lc
GCN template for BAT paragraph
Click here!
At 14:46:10 UT, the Swift Burst Alert Telescope (BAT) triggered and
located GRB 210723 ***A*** (trigger=1061284). Swift slewed immediately to the burst.
The BAT on-board calculated location is
RA, Dec 121.726, -32.889 which is
RA(J2000) = 08h 06m 54s
Dec(J2000) = -32d 53' 20"
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 ~2904 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: 40.32 s +/- 1.024 s
Estimated T50 duration: 14.976 s +/- 0.286217 s
Estimated Peak Interval: MET 648744397.02399993 +/- 0.500000 s
Estimated background rate 1: 3669.365 near MET 648744384.160000 s
Estimated background rate 2: 3646.751 near MET 648744518.784000 s
Estimated total duration: 59.328 s (for data selection)
(from MET 648744393.920000 to MET 648744453.248000)
Estimated total fluence: 52292.035383 count
Created GTI with 10 entries
------------------------------------------
Search for this GRB position to the previously BAT detected GRB positions (search radius within 5 arcmin)
bat_grb_pos_cat.sh 121.726 -32.889 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 121.726 -32.889
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: 2021 7 23 15 293.195165 55.082053
Obj: 2021 7 23 15 332.367231 11.861051
the object visibility at GSFC, Greenbelt, Maryland
MMT Observatory, Mt. Hopkins, Arizona
TimeUT Azimuth Elevation
Sun: 2021 7 23 15 263.106013 28.563351
Obj: 2021 7 23 15 309.561971 -0.251666
the object visibility at MMT, Mt. Hopkins, Arizona
Hale Telescope, Palomar Mountain, California
TimeUT Azimuth Elevation
Sun: 2021 7 23 15 261.042168 23.794135
Obj: 2021 7 23 15 306.428062 -5.252485
the object visibility at Hale Telescope, Palomar Mt., California
Mauna Kea, Hawaii
TimeUT Azimuth Elevation
Sun: 2021 7 23 15 242.935910 -12.982825
Obj: 2021 7 23 15 297.569866 -28.171632
the object visibility at Mauna Kea, Hawaii
Siding Spring Obs., Australia
TimeUT Azimuth Elevation
Sun: 2021 7 23 15 313.754720 -74.396493
Obj: 2021 7 23 15 347.830280 -24.593705
the object visibility at Siding Spring Obs., Australia
Tokyo, Japan
TimeUT Azimuth Elevation
Sun: 2021 7 23 15 174.594399 -35.501273
Obj: 2021 7 23 15 116.138490 -86.816508
the object visibility at Tokyo, Japan
William Herschel Telescope, La Palma, Canary Islands, Spain
TimeUT Azimuth Elevation
Sun: 2021 7 23 15 74.403026 65.639609
Obj: 2021 7 23 15 23.872086 23.425606
the object visibility at William Hershel Telescope, La Palma, Canary Islands, Spain
Gemini South, Cerro Pachon, Chile
TimeUT Azimuth Elevation
Sun: 2021 7 23 15 211.847011 32.878893
Obj: 2021 7 23 15 283.549145 67.047926
the object visibility at Gemini South, Cerro Pachon, Chile
The data/results are in /local/data/bat1/prebascript/trigger1061284/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 Jul 23 11:08:04 EDT 2021