FRB 20200707A
A burst from FRB20200308B
- Repeater
- FRB20200308B
- Event ID
- 96534808
- Arrival, 400 MHz
- 2020-07-07 07:03:13.940 UTC
- Right ascension
- 272.151°
- Declination
- 22.344°
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 | 59037.29391134597 | 59037.293911444525 |
| Arrival time, infinite frequencyMJD | 59037.29384596641 | 59037.29384606496 |
| Width (fitburst)s | 0.001379 | 0.001570 |
| Peak frequencyMHz | 500.2 | 418.2 |
| Highest frequencyMHz | 800.2 | 603.8 |
| Spectral index | 3.78 | 1.50 |
| Spectral running | -8.47 | -17.06 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 272.151± 0.183degrees
dec- 22.344± 0.199degrees
gl- 48.90degrees
gb- 19.05degrees
Detection and dispersion
bonsai_snr- 22.0
snr_fitb- 31.3
bonsai_dm- 218.4pc cm⁻³
dm_fitb- 218.0303± 0.01505pc cm⁻³
dm_exc_ne2001- 133.7pc cm⁻³
dm_exc_ymw16- 149.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59037.29391134597± 2.09 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59037.29384596641± 4.97 × 10⁻⁹MJD
Burst shape
bc_width- 0.00393s
width_fitbDiffers between sub-bursts.- 0.001379± 0.0000768s
scat_time- 0.000000s
Flux and spectrum
flux- 1.30± 0.31Jy
fluence- 8.86± 1.45Jy ms
peak_freqDiffers between sub-bursts.- 500.2MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 800.2MHz
sp_idxDiffers between sub-bursts.- 3.78± 0.80
sp_runDiffers between sub-bursts.- -8.47± 1.29
Exposure and fluence thresholds
exp_up- 78.19± 47.71hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 3.5Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 5.8Jy ms
Fit quality
chi_sq- 1985947.733
dof- 1986919
flag_frac- 0.251