FRB 20181125A
One-off burst
- Event ID
- 21297602
- Arrival, 400 MHz
- 2018-11-25 13:37:30.733 UTC
- Right ascension
- 147.988°
- Declination
- 33.930°
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 | 58447.56771675553 | 58447.56771681535 |
| Arrival time, infinite frequencyMJD | 58447.567635102416 | 58447.567635162224 |
| Width (fitburst)s | 0.001160 | 0.000473 |
| Peak frequencyMHz | 433.6 | 452.8 |
| Highest frequencyMHz | 518.9 | 549.8 |
| Spectral index | 11.47 | 15.11 |
| Spectral running | -71.45 | -61.14 |
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Notes
- This event was included in Catalog 1.
- Fitburst and/or flux/fluence pipeline results are taken from Catalog 1.
- The pulse emission region was extended during fluence estimation.
- Flux and fluence. Flux/fluence measurements and errors taken from Catalog 1.
Position
ra- 147.988± 0.177degrees
dec- 33.930± 0.040degrees
gl- 191.60degrees
gb- 51.06degrees
Detection and dispersion
bonsai_snr- 18.3
snr_fitb- 34.2
bonsai_dm- 278.2pc cm⁻³
dm_fitb- 272.3000± 0.02896pc cm⁻³
dm_exc_ne2001- 234.6pc cm⁻³
dm_exc_ymw16- 247.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58447.56771681535± 2.56 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 58447.567635162224± 9.05 × 10⁻⁹MJD
Burst shape
bc_width- 0.00983s
width_fitbDiffers between sub-bursts.- 0.000473± 0.0001154s
scat_time- 0.004439± 0.0004563s
Flux and spectrum
flux- 0.39± 0.33Jy
fluence- 3.20± 2.00Jy ms
peak_freqDiffers between sub-bursts.- 452.8MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 549.8MHz
sp_idxDiffers between sub-bursts.- 15.11± 3.34
sp_runDiffers between sub-bursts.- -61.14± 10.65
Exposure and fluence thresholds
exp_up- 61.25± 54.43hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- —
low_ft_95- —
up_ft_95- —
Fit quality
chi_sq- 1767223.811
dof- 1768380
flag_frac- 0.334