FRB 20210330B
A burst from FRB20210330B
- Repeater
- FRB20210330B
- Event ID
- 166327830
- Arrival, 400 MHz
- 2021-03-30 00:52:30.650 UTC
- Right ascension
- 80.352°
- Declination
- 72.835°
How the sub-bursts differ
This burst has 2 sub-bursts. These 7 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 | 59303.03646586085 | 59303.03646589818 |
| Arrival time, infinite frequencyMJD | 59303.03634671481 | 59303.03634675214 |
| Width (fitburst)s | 0.000834 | 0.000719 |
| Peak frequencyMHz | 433.2 | 418.0 |
| Highest frequencyMHz | 499.9 | 490.5 |
| Spectral index | 17.75 | 7.83 |
| Spectral running | -112.03 | -89.94 |
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Notes
- This event should be excluded from parameter inference due to non-nominal telescope operation.
- The pulse emission region was extended during fluence estimation.
- Exposure. Event occurred during a period affected by miscellaneous system problems (e.g. data corruption or timing errors) and should be excluded from population studies.
- Flux and fluence. Flux/fluence could not be determined due to an unspecified computational failure in the fluence pipeline.
Position
ra- 80.352± 0.198degrees
dec- 72.835± 0.211degrees
gl- 139.75degrees
gb- 19.58degrees
Detection and dispersion
bonsai_snr- 18.8
snr_fitb- 33.1
bonsai_dm- 397.5pc cm⁻³
dm_fitb- 397.3328± 0.01709pc cm⁻³
dm_exc_ne2001- 321.2pc cm⁻³
dm_exc_ymw16- 309.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59303.03646586085± 1.05 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59303.03634671481± 5.23 × 10⁻⁹MJD
Burst shape
bc_width- 0.00590s
width_fitbDiffers between sub-bursts.- 0.000834± 0.0000625s
scat_time- 0.000000s
Flux and spectrum
flux- —
fluence- —
peak_freqDiffers between sub-bursts.- 433.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 499.9MHz
sp_idxDiffers between sub-bursts.- 17.75± 4.67
sp_runDiffers between sub-bursts.- -112.03± 22.89
Exposure and fluence thresholds
exp_up- 270.18± 140.91hour
exp_low- 236.49± 91.48hour
low_ft_68- 2.3Jy ms
up_ft_68- 0.3Jy ms
low_ft_95- 4.0Jy ms
up_ft_95- 0.5Jy ms
Fit quality
chi_sq- 1963475.572
dof- 1964563
flag_frac- 0.260