FRB 20200929C
A burst from FRB20200929C
- Repeater
- FRB20200929C
- Event ID
- 136785433
- Arrival, 400 MHz
- 2020-09-29 08:31:22.393 UTC
- Right ascension
- 16.971°
- Declination
- 18.263°
How the sub-bursts differ
This burst has 4 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 | Sub-burst 4 |
|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 59121.35512019206 | 59121.35512028796 | 59121.355120356726 | 59121.3551205113 |
| Arrival time, infinite frequencyMJD | 59121.3549961993 | 59121.3549962952 | 59121.35499636396 | 59121.35499651854 |
| Width (fitburst)s | 0.002001 | 0.001326 | 0.000747 | 0.005035 |
| Peak frequencyMHz | 514.1 | 495.4 | 472.7 | 431.3 |
| Lowest frequencyMHz | 481.7 | 448.8 | 426.0 | 400.2 |
| Highest frequencyMHz | 548.8 | 546.9 | 524.6 | 483.9 |
| Spectral index | 271.79 | 100.64 | 70.87 | 26.12 |
| Spectral running | -542.32 | -235.67 | -212.67 | -174.31 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 16.971± 0.192degrees
dec- 18.263± 0.222degrees
gl- 128.40degrees
gb- -44.43degrees
Detection and dispersion
bonsai_snr- 18.9
snr_fitb- 46.6
bonsai_dm- 427.0pc cm⁻³
dm_fitb- 413.4958± 0.07007pc cm⁻³
dm_exc_ne2001- 375.2pc cm⁻³
dm_exc_ymw16- 384.2pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59121.35512028796± 7.81 × 10⁻⁹MJD
mjd_infDiffers between sub-bursts.- 59121.3549962952± 2.24 × 10⁻⁸MJD
Burst shape
bc_width- 0.03441s
width_fitbDiffers between sub-bursts.- 0.001326± 0.0001258s
scat_time- 0.006596± 0.0008085s
Flux and spectrum
flux- 0.58± 0.28Jy
fluence- 9.49± 2.52Jy ms
peak_freqDiffers between sub-bursts.- 495.4MHz
low_freqDiffers between sub-bursts.- 448.8MHz
high_freqDiffers between sub-bursts.- 546.9MHz
sp_idxDiffers between sub-bursts.- 100.64± 9.81
sp_runDiffers between sub-bursts.- -235.67± 22.25
Exposure and fluence thresholds
exp_up- 24.48± 31.64hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 4.2Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 8.6Jy ms
Fit quality
chi_sq- 1862610.589
dof- 1864760
flag_frac- 0.297