FRB 20201014B
A burst from FRB20200202A
- Repeater
- FRB20200202A
- Event ID
- 138244000
- Arrival, 400 MHz
- 2020-10-14 08:15:06.752 UTC
- Right ascension
- 26.214°
- Declination
- 44.170°
How the sub-bursts differ
This burst has 7 sub-bursts. These 8 measurements differ between them and are highlighted below. Everything else is the same for every sub-burst.
| Measurement | Sub-burst 1 | Sub-burst 2 | Sub-burst 3 | Sub-burst 4 | Sub-burst 5 | Sub-burst 6 | Sub-burst 7 |
|---|---|---|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 59136.343827802244 | 59136.34382795278 | 59136.343828152705 | 59136.34382822328 | 59136.343828275385 | 59136.34382841531 | 59136.34382873915 |
| Arrival time, infinite frequencyMJD | 59136.34360999386 | 59136.34361014441 | 59136.34361034433 | 59136.34361041491 | 59136.34361046701 | 59136.343610606935 | 59136.34361093077 |
| Width (fitburst)s | 0.000888 | 0.000445 | 0.000097 | 0.000181 | 0.001467 | 0.001020 | 0.000648 |
| Peak frequencyMHz | 723.1 | 702.7 | 670.9 | 653.2 | 650.8 | 632.6 | 585.8 |
| Lowest frequencyMHz | 619.1 | 598.3 | 597.6 | 570.3 | 550.7 | 535.3 | 484.8 |
| Highest frequencyMHz | 800.2 | 800.2 | 753.3 | 748.1 | 769.0 | 747.6 | 707.9 |
| Spectral index | 113.02 | 100.11 | 177.67 | 122.47 | 80.38 | 75.57 | 48.96 |
| Spectral running | -95.53 | -88.91 | -171.92 | -125.01 | -82.66 | -82.51 | -64.24 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 26.214± 0.029degrees
dec- 44.170± 0.109degrees
gl- 132.94degrees
gb- -17.66degrees
Detection and dispersion
bonsai_snr- 35.0
snr_fitb- 117.1
bonsai_dm- 726.3pc cm⁻³
dm_fitb- 726.3557± 0.00000pc cm⁻³
dm_exc_ne2001- 643.4pc cm⁻³
dm_exc_ymw16- 642.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59136.343828152705± 1.03 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59136.34361034433± 1.03 × 10⁻⁹MJD
Burst shape
bc_width- 0.02064s
width_fitbDiffers between sub-bursts.- 0.000097± 0.0001208s
scat_time- 0.024569± 0.0000216s
Flux and spectrum
flux- 2.74± 1.31Jy
fluence- 25.77± 12.18Jy ms
peak_freqDiffers between sub-bursts.- 670.9MHz
low_freqDiffers between sub-bursts.- 597.6MHz
high_freqDiffers between sub-bursts.- 753.3MHz
sp_idxDiffers between sub-bursts.- 177.67± 77.12
sp_runDiffers between sub-bursts.- -171.92± 73.84
Exposure and fluence thresholds
exp_up- 126.58± 50.02hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 6.0Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 13.3Jy ms
Fit quality
chi_sq- 1322159.191
dof- 1335843
flag_frac- 0.216