FRB 20200926A
A burst from FRB20200926A
- Repeater
- FRB20200926A
- Event ID
- 136489401
- Arrival, 400 MHz
- 2020-09-26 02:28:35.358 UTC
- Right ascension
- 283.456°
- Declination
- 53.947°
How the sub-bursts differ
This burst has 2 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 |
|---|---|---|
| Arrival time, 400 MHzMJD | 59118.10318692442 | 59118.1031870184 |
| Arrival time, infinite frequencyMJD | 59118.10295947015 | 59118.10295956413 |
| Width (fitburst)s | 0.001164 | 0.003253 |
| Peak frequencyMHz | 462.1 | 429.2 |
| Lowest frequencyMHz | 421.1 | 400.2 |
| Highest frequencyMHz | 507.2 | 476.7 |
| Spectral index | 76.53 | 29.21 |
| Spectral running | -265.95 | -208.77 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 283.456± 0.225degrees
dec- 53.947± 0.225degrees
gl- 83.76degrees
gb- 21.30degrees
Detection and dispersion
bonsai_snr- 11.2
snr_fitb- 21.4
bonsai_dm- 760.2pc cm⁻³
dm_fitb- 758.5232± 0.07926pc cm⁻³
dm_exc_ne2001- 694.5pc cm⁻³
dm_exc_ymw16- 698.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59118.1031870184± 5.40 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59118.10295956413± 2.44 × 10⁻⁸MJD
Burst shape
bc_width- 0.01769s
width_fitbDiffers between sub-bursts.- 0.003253± 0.0003471s
scat_time- 0.000000s
Flux and spectrum
flux- 0.25± 0.16Jy
fluence- 3.17± 1.54Jy ms
peak_freqDiffers between sub-bursts.- 429.2MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 476.7MHz
sp_idxDiffers between sub-bursts.- 29.21± 8.29
sp_runDiffers between sub-bursts.- -208.77± 56.69
Exposure and fluence thresholds
exp_up- 121.72± 80.78hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 3.3Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 7.8Jy ms
Fit quality
chi_sq- 739327.688
dof- 739773
flag_frac- 0.272