FRB 20210426B
A burst from FRB20210323C
- Repeater
- FRB20210323C
- Event ID
- 169328629
- Arrival, 400 MHz
- 2021-04-26 02:12:14.632 UTC
- Right ascension
- 127.067°
- Declination
- 72.494°
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 | 59330.09183596896 | 59330.091836021435 |
| Arrival time, infinite frequencyMJD | 59330.09174955501 | 59330.09174960749 |
| Width (fitburst)s | 0.000923 | 0.000089 |
| Peak frequencyMHz | 518.5 | 497.4 |
| Lowest frequencyMHz | 475.2 | 448.6 |
| Highest frequencyMHz | 565.7 | 551.6 |
| Spectral index | 156.63 | 93.83 |
| Spectral running | -302.46 | -215.71 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 127.067± 0.204degrees
dec- 72.494± 0.224degrees
gl- 142.03degrees
gb- 33.00degrees
Detection and dispersion
bonsai_snr- 14.6
snr_fitb- 60.7
bonsai_dm- 289.1pc cm⁻³
dm_fitb- 288.1765± 0.00944pc cm⁻³
dm_exc_ne2001- 239.5pc cm⁻³
dm_exc_ymw16- 245.4pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59330.091836021435± 1.04 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59330.09174960749± 3.02 × 10⁻⁹MJD
Burst shape
bc_width- 0.00295s
width_fitbDiffers between sub-bursts.- 0.000089± 0.0000156s
scat_time- 0.004262± 0.0001745s
Flux and spectrum
flux- 1.40± 0.86Jy
fluence- 6.80± 1.59Jy ms
peak_freqDiffers between sub-bursts.- 497.4MHz
low_freqDiffers between sub-bursts.- 448.6MHz
high_freqDiffers between sub-bursts.- 551.6MHz
sp_idxDiffers between sub-bursts.- 93.83± 5.19
sp_runDiffers between sub-bursts.- -215.71± 11.65
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- 1966883.913
dof- 1970556
flag_frac- 0.258