FRB 20210302E
A burst from FRB20201221B
- Repeater
- FRB20201221B
- Event ID
- 163065320
- Arrival, 400 MHz
- 2021-03-02 05:48:38.321 UTC
- Right ascension
- 126.806°
- Declination
- 48.823°
How the sub-bursts differ
This burst has 3 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 | Sub-burst 3 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 59275.24211015728 | 59275.24211022361 | 59275.24211019628 |
| Arrival time, infinite frequencyMJD | 59275.24195703586 | 59275.24195710219 | 59275.24195707487 |
| Width (fitburst)s | 0.006119 | 0.001647 | 0.007668 |
| Peak frequencyMHz | 478.6 | 449.7 | 449.3 |
| Lowest frequencyMHz | 469.0 | 400.2 | 437.6 |
| Highest frequencyMHz | 488.5 | 509.2 | 461.3 |
| Spectral index | 1966.47 | 34.70 | 763.07 |
| Spectral running | -5492.64 | -148.87 | -3295.12 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 126.806± 0.173degrees
dec- 48.823± 0.028degrees
gl- 170.61degrees
gb- 35.52degrees
Detection and dispersion
bonsai_snr- 21.4
snr_fitb- 45.8
bonsai_dm- 509.5pc cm⁻³
dm_fitb- 510.6352± 0.12210pc cm⁻³
dm_exc_ne2001- 461.6pc cm⁻³
dm_exc_ymw16- 467.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59275.24211019628± 1.31 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 59275.24195707487± 3.89 × 10⁻⁸MJD
Burst shape
bc_width- 0.02458s
width_fitbDiffers between sub-bursts.- 0.007668± 0.0008833s
scat_time- 0.010320± 0.0011135s
Flux and spectrum
flux- 0.43± 0.15Jy
fluence- 6.03± 1.53Jy ms
peak_freqDiffers between sub-bursts.- 449.3MHz
low_freqDiffers between sub-bursts.- 437.6MHz
high_freqDiffers between sub-bursts.- 461.3MHz
sp_idxDiffers between sub-bursts.- 763.07± 150.98
sp_runDiffers between sub-bursts.- -3295.12± 650.65
Exposure and fluence thresholds
exp_up- 51.52± 54.53hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 3.2Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 6.1Jy ms
Fit quality
chi_sq- 1321858.612
dof- 1323943
flag_frac- 0.208