FRB 20200905B
A burst from FRB20200905B
- Repeater
- FRB20200905B
- Event ID
- 132687967
- Arrival, 400 MHz
- 2020-09-05 07:24:44.887 UTC
- Right ascension
- 336.211°
- Declination
- 72.742°
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 | 59097.30885278359 | 59097.30885285997 |
| Arrival time, infinite frequencyMJD | 59097.30876118616 | 59097.308761262546 |
| Width (fitburst)s | 0.002115 | 0.001803 |
| Peak frequencyMHz | 540.2 | 485.2 |
| Lowest frequencyMHz | 487.4 | 433.9 |
| Highest frequencyMHz | 598.7 | 542.5 |
| Spectral index | 130.43 | 71.05 |
| Spectral running | -217.41 | -184.50 |
Loading
Loading
Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 336.211± 0.183degrees
dec- 72.742± 0.198degrees
gl- 112.46degrees
gb- 12.92degrees
Detection and dispersion
bonsai_snr- 20.9
snr_fitb- 49.4
bonsai_dm- 307.3pc cm⁻³
dm_fitb- 305.4626± 0.04868pc cm⁻³
dm_exc_ne2001- 198.4pc cm⁻³
dm_exc_ymw16- 163.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59097.30885285997± 4.70 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59097.308761262546± 1.53 × 10⁻⁸MJD
Burst shape
bc_width- 0.01376s
width_fitbDiffers between sub-bursts.- 0.001803± 0.0000767s
scat_time- 0.000000s
Flux and spectrum
flux- 0.93± 0.40Jy
fluence- 7.64± 2.68Jy ms
peak_freqDiffers between sub-bursts.- 485.2MHz
low_freqDiffers between sub-bursts.- 433.9MHz
high_freqDiffers between sub-bursts.- 542.5MHz
sp_idxDiffers between sub-bursts.- 71.05± 5.02
sp_runDiffers between sub-bursts.- -184.50± 13.35
Exposure and fluence thresholds
exp_up- 270.46± 139.37hour
exp_low- 230.38± 88.51hour
low_ft_68- 20.0Jy ms
up_ft_68- 2.5Jy ms
low_ft_95- 36.1Jy ms
up_ft_95- 4.8Jy ms
Fit quality
chi_sq- 1978173.038
dof- 1980601
flag_frac- 0.254