FRB 20230329C
A burst from FRB20220912A
- Repeater
- FRB20220912A
- Event ID
- 279622697
- Arrival, 400 MHz
- 2023-03-29 18:38:01.686 UTC
- Right ascension
- 347.149°
- Declination
- 48.798°
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 | 60032.77640840707 | 60032.77640868408 |
| Arrival time, infinite frequencyMJD | 60032.77634220339 | 60032.7763424804 |
| Width (fitburst)s | 0.006658 | 0.006435 |
| Peak frequencyMHz | 441.6 | 448.7 |
| Lowest frequencyMHz | 400.2 | 406.3 |
| Highest frequencyMHz | 498.8 | 495.5 |
| Spectral index | 30.49 | 53.41 |
| Spectral running | -154.89 | -233.55 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 347.149± 0.228degrees
dec- 48.798± 0.227degrees
gl- 106.03degrees
gb- -10.67degrees
Detection and dispersion
bonsai_snr- 10.9
snr_fitb- 28.5
bonsai_dm- 219.2pc cm⁻³
dm_fitb- 220.7786± 0.25063pc cm⁻³
dm_exc_ne2001- 94.2pc cm⁻³
dm_exc_ymw16- 97.1pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 60032.77640840707± 1.41 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 60032.77634220339± 7.65 × 10⁻⁸MJD
Burst shape
bc_width- 0.01278s
width_fitbDiffers between sub-bursts.- 0.006658± 0.0005694s
scat_time- 0.000000s
Flux and spectrum
flux- 0.28± 0.22Jy
fluence- 2.17± 1.09Jy ms
peak_freqDiffers between sub-bursts.- 441.6MHz
low_freqDiffers between sub-bursts.- 400.2MHz
high_freqDiffers between sub-bursts.- 498.8MHz
sp_idxDiffers between sub-bursts.- 30.49± 3.86
sp_runDiffers between sub-bursts.- -154.89± 17.58
Exposure and fluence thresholds
exp_up- 116.20± 65.01hour
exp_low- 0.00± 0.00hour
low_ft_68- 0.0Jy ms
up_ft_68- 2.6Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 7.1Jy ms
Fit quality
chi_sq- 1948696.925
dof- 1949497
flag_frac- 0.266