FRB 20210331F
A burst from FRB20210323C
- Repeater
- FRB20210323C
- Event ID
- 166470978
- Arrival, 400 MHz
- 2021-03-31 03:32:44.453 UTC
- Right ascension
- 122.083°
- Declination
- 72.485°
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 | 59304.14773667027 | 59304.14773672395 |
| Arrival time, infinite frequencyMJD | 59304.14765015634 | 59304.14765021001 |
| Width (fitburst)s | 0.001913 | 0.001106 |
| Peak frequencyMHz | 552.1 | 489.7 |
| Lowest frequencyMHz | 483.7 | 424.8 |
| Highest frequencyMHz | 630.2 | 564.6 |
| Spectral index | 84.66 | 45.90 |
| Spectral running | -131.56 | -113.68 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 122.083± 0.036degrees
dec- 72.485± 0.168degrees
gl- 142.41degrees
gb- 31.54degrees
Detection and dispersion
bonsai_snr- 24.3
snr_fitb- 53.7
bonsai_dm- 288.3pc cm⁻³
dm_fitb- 288.5100± 0.02166pc cm⁻³
dm_exc_ne2001- 238.0pc cm⁻³
dm_exc_ymw16- 243.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59304.14773672395± 2.20 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59304.14765021001± 6.86 × 10⁻⁹MJD
Burst shape
bc_width- 0.00885s
width_fitbDiffers between sub-bursts.- 0.001106± 0.0000401s
scat_time- 0.000000s
Flux and spectrum
flux- 0.90± 0.43Jy
fluence- 6.92± 2.65Jy ms
peak_freqDiffers between sub-bursts.- 489.7MHz
low_freqDiffers between sub-bursts.- 424.8MHz
high_freqDiffers between sub-bursts.- 564.6MHz
sp_idxDiffers between sub-bursts.- 45.90± 3.28
sp_runDiffers between sub-bursts.- -113.68± 8.18
Exposure and fluence thresholds
exp_up- 248.61± 139.24hour
exp_low- 207.16± 103.68hour
low_ft_68- 21.0Jy ms
up_ft_68- 2.6Jy ms
low_ft_95- 44.1Jy ms
up_ft_95- 5.4Jy ms
Fit quality
chi_sq- 2025847.317
dof- 2028715
flag_frac- 0.236