FRB 20190907A
A burst from FRB20190907A
- Repeater
- FRB20190907A
- Event ID
- 52839758
- Arrival, 400 MHz
- 2019-09-07 17:02:47.795 UTC
- Right ascension
- 122.218°
- Declination
- 46.274°
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 | 58733.71027547055 | 58733.71027540278 |
| Arrival time, infinite frequencyMJD | 58733.71018272486 | 58733.7101826571 |
| Width (fitburst)s | 0.001362 | 0.000582 |
| Peak frequencyMHz | 586.6 | 622.3 |
| Lowest frequencyMHz | 511.8 | 547.8 |
| Highest frequencyMHz | 672.4 | 707.0 |
| Spectral index | 94.54 | 124.83 |
| Spectral running | -123.63 | -141.38 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 122.218± 0.222degrees
dec- 46.274± 0.236degrees
gl- 173.37degrees
gb- 32.24degrees
Detection and dispersion
bonsai_snr- 10.0
snr_fitb- 18.1
bonsai_dm- 307.3pc cm⁻³
dm_fitb- 309.2918± 0.08222pc cm⁻³
dm_exc_ne2001- 256.0pc cm⁻³
dm_exc_ymw16- 258.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58733.71027540278± 1.46 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58733.7101826571± 2.86 × 10⁻⁸MJD
Burst shape
bc_width- 0.00983s
width_fitbDiffers between sub-bursts.- 0.000582± 0.0000903s
scat_time- 0.000000s
Flux and spectrum
flux- 0.34± 0.16Jy
fluence- 0.48± 0.21Jy ms
peak_freqDiffers between sub-bursts.- 622.3MHz
low_freqDiffers between sub-bursts.- 547.8MHz
high_freqDiffers between sub-bursts.- 707.0MHz
sp_idxDiffers between sub-bursts.- 124.83± 60.84
sp_runDiffers between sub-bursts.- -141.38± 69.18
Exposure and fluence thresholds
exp_up- 105.59± 63.60hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 1.8Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 4.1Jy ms
Fit quality
chi_sq- 2093360.616
dof- 2093677
flag_frac- 0.211