FRB 20210712A
A burst from FRB20180916B
- Repeater
- FRB20180916B
- Event ID
- 176060009
- Arrival, 400 MHz
- 2021-07-12 14:23:04.983 UTC
- Right ascension
- 25.417°
- Declination
- 65.719°
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 | 59407.59936322344 | 59407.599363261994 |
| Arrival time, infinite frequencyMJD | 59407.5992586276 | 59407.59925866615 |
| Width (fitburst)s | 0.002059 | 0.000145 |
| Peak frequencyMHz | 489.6 | 467.0 |
| Lowest frequencyMHz | 435.8 | 424.2 |
| Highest frequencyMHz | 550.0 | 514.0 |
| Spectral index | 68.50 | 77.10 |
| Spectral running | -169.91 | -249.80 |
Loading
Loading
Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 25.417± 0.188degrees
dec- 65.719± 0.182degrees
gl- 128.07degrees
gb- 3.35degrees
Detection and dispersion
bonsai_snr- 34.1
snr_fitb- 149.8
bonsai_dm- 349.0pc cm⁻³
dm_fitb- 348.8102± 0.00223pc cm⁻³
dm_exc_ne2001- 148.1pc cm⁻³
dm_exc_ymw16- 22.6pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59407.59936322344± 9.69 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59407.5992586276± 1.18 × 10⁻⁹MJD
Burst shape
bc_width- 0.00197s
width_fitbDiffers between sub-bursts.- 0.002059± 0.0000733s
scat_time- 0.001214± 0.0000193s
Flux and spectrum
flux- 3.51± 0.79Jy
fluence- 13.20± 2.44Jy ms
peak_freqDiffers between sub-bursts.- 489.6MHz
low_freqDiffers between sub-bursts.- 435.8MHz
high_freqDiffers between sub-bursts.- 550.0MHz
sp_idxDiffers between sub-bursts.- 68.50± 4.33
sp_runDiffers between sub-bursts.- -169.91± 10.49
Exposure and fluence thresholds
exp_up- 211.84± 95.83hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 4.5Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 10.0Jy ms
Fit quality
chi_sq- 1881535.534
dof- 1903974
flag_frac- 0.283