FRB 20181028A
A burst from FRB20180814A
- Repeater
- FRB20180814A
- Arrival, 400 MHz
- 2018-10-28 10:12:34.510 UTC
- Right ascension
- 65.540°
- Declination
- 73.630°
How the sub-bursts differ
This burst has 5 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 | Sub-burst 5 |
|---|---|---|---|---|---|
| Arrival time, 400 MHzMJD | 58419.425399023 | 58419.425399069 | 58419.4253992588 | 58419.425399421 | 58419.425399542 |
| Arrival time, infinite frequencyMJD | 58419.425342317 | 58419.425342362 | 58419.4253425526 | 58419.425342714 | 58419.425342836 |
| Width (fitburst)s | 0.006070 | 0.001749 | 0.002178 | 0.002710 | 0.002080 |
| Peak frequencyMHz | 483.2 | 481.3 | 469.3 | 450.9 | 431.0 |
| Lowest frequencyMHz | 435.3 | 434.5 | 426.9 | 411.7 | 400.2 |
| Highest frequencyMHz | 536.2 | 533.1 | 515.9 | 493.8 | 465.5 |
| Spectral index | 79.90 | 81.20 | 81.80 | 66.30 | 58.00 |
| Spectral running | -212.00 | -220.00 | -257.00 | -278.00 | -388.00 |
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Position
ra- 65.540± 0.190degrees
dec- 73.630± 0.270degrees
gl- 136.46degrees
gb- 16.58degrees
Detection and dispersion
bonsai_snr- 11.7
snr_fitb- 98.4
bonsai_dm- 181.2pc cm⁻³
dm_fitb- 189.1063± 0.00600pc cm⁻³
dm_exc_ne2001- 101.3pc cm⁻³
dm_exc_ymw16- 80.7pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58419.425399421± 1.40 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58419.425342714± 1.40 × 10⁻⁸MJD
Burst shape
bc_width- 0.03342s
width_fitbDiffers between sub-bursts.- 0.002710± 0.0001800s
scat_time- <0.0019s
Flux and spectrum
flux- 1.31± 0.57Jy
fluence- 22.60± 7.40Jy ms
peak_freqDiffers between sub-bursts.- 450.9MHz
low_freqDiffers between sub-bursts.- 411.7MHz
high_freqDiffers between sub-bursts.- 493.8MHz
sp_idxDiffers between sub-bursts.- 66.30± 7.30
sp_runDiffers between sub-bursts.- -278.00± 31.00
Exposure and fluence thresholds
exp_up- 41.00± 24.00hour
exp_low- 43.50± 7.90hour
low_ft_68- 43.8Jy ms
up_ft_68- 6.9Jy ms
low_ft_95- 155.9Jy ms
up_ft_95- 25.6Jy ms
Fit quality
chi_sq- 1047850.430
dof- 1039654
flag_frac- 0.443