FRB 20190702B
A burst from FRB20190303A
- Repeater
- FRB20190303A
- Event ID
- 43265588
- Arrival, 400 MHz
- 2019-07-02 03:14:42.956 UTC
- Right ascension
- 208.148°
- Declination
- 48.253°
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 | 58666.135219232536 | 58666.13521939616 |
| Arrival time, infinite frequencyMJD | 58666.13515262695 | 58666.13515279057 |
| Width (fitburst)s | 0.004095 | 0.002070 |
| Peak frequencyMHz | 735.4 | 713.5 |
| Lowest frequencyMHz | 686.0 | 654.2 |
| Highest frequencyMHz | 788.4 | 778.3 |
| Spectral index | 578.82 | 352.97 |
| Spectral running | -475.66 | -305.19 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 208.148± 0.192degrees
dec- 48.253± 0.190degrees
gl- 97.61degrees
gb- 65.76degrees
Detection and dispersion
bonsai_snr- 18.5
snr_fitb- 53.8
bonsai_dm- 223.2pc cm⁻³
dm_fitb- 222.1189± 0.14284pc cm⁻³
dm_exc_ne2001- 192.7pc cm⁻³
dm_exc_ymw16- 200.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58666.13521939616± 2.91 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58666.13515279057± 5.18 × 10⁻⁸MJD
Burst shape
bc_width- 0.02163s
width_fitbDiffers between sub-bursts.- 0.002070± 0.0000885s
scat_time- 0.000000s
Flux and spectrum
flux- 0.94± 0.31Jy
fluence- 8.15± 1.55Jy ms
peak_freqDiffers between sub-bursts.- 713.5MHz
low_freqDiffers between sub-bursts.- 654.2MHz
high_freqDiffers between sub-bursts.- 778.3MHz
sp_idxDiffers between sub-bursts.- 352.97± 31.70
sp_runDiffers between sub-bursts.- -305.19± 26.96
Exposure and fluence thresholds
exp_up- 112.27± 58.20hour
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- 9.3Jy ms
Fit quality
chi_sq- 2026805.933
dof- 2029687
flag_frac- 0.235