FRB 20210130B
One-off burst
- Event ID
- 155047404
- Arrival, 400 MHz
- 2021-01-30 20:40:21.892 UTC
- Right ascension
- 320.134°
- Declination
- 21.403°
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 | 59244.861364487486 | 59244.86136453317 |
| Arrival time, infinite frequencyMJD | 59244.86124135492 | 59244.861241400606 |
| Width (fitburst)s | 0.000705 | 0.001154 |
| Peak frequencyMHz | 421.9 | 419.5 |
| Highest frequencyMHz | 521.3 | 457.1 |
| Spectral index | 5.44 | 29.25 |
| Spectral running | -51.45 | -311.02 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 320.134± 0.200degrees
dec- 21.403± 0.231degrees
gl- 71.08degrees
gb- -19.60degrees
Detection and dispersion
bonsai_snr- 16.2
snr_fitb- 23.2
bonsai_dm- 409.6pc cm⁻³
dm_fitb- 410.6272± 0.01916pc cm⁻³
dm_exc_ne2001- 340.0pc cm⁻³
dm_exc_ymw16- 351.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59244.861364487486± 9.96 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59244.86124135492± 5.83 × 10⁻⁹MJD
Burst shape
bc_width- 0.00197s
width_fitbDiffers between sub-bursts.- 0.000705± 0.0000446s
scat_time- 0.000000s
Flux and spectrum
flux- 1.06± 0.36Jy
fluence- 2.83± 0.83Jy ms
peak_freqDiffers between sub-bursts.- 421.9MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 521.3MHz
sp_idxDiffers between sub-bursts.- 5.44± 2.57
sp_runDiffers between sub-bursts.- -51.45± 12.28
Exposure and fluence thresholds
exp_up- 84.27± 47.15hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 1.9Jy ms
low_ft_95- —
up_ft_95- 3.2Jy ms
Fit quality
chi_sq- 2080674.896
dof- 2081203
flag_frac- 0.216