FRB 20210301C
One-off burst
- Event ID
- 162830616
- Arrival, 400 MHz
- 2021-03-01 14:23:04.480 UTC
- Right ascension
- 254.818°
- Declination
- 45.813°
How the sub-bursts differ
This burst has 2 sub-bursts. These 7 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 | 59274.59935741267 | 59274.59935748108 |
| Arrival time, infinite frequencyMJD | 59274.59930183178 | 59274.5993019002 |
| Width (fitburst)s | 0.001759 | 0.000810 |
| Peak frequencyMHz | 465.8 | 464.0 |
| Highest frequencyMHz | 560.5 | 553.9 |
| Spectral index | 20.37 | 21.69 |
| Spectral running | -67.12 | -73.36 |
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Notes
- The pulse emission region was extended during fluence estimation.
Position
ra- 254.818± 0.061degrees
dec- 45.813± 0.160degrees
gl- 71.40degrees
gb- 38.21degrees
Detection and dispersion
bonsai_snr- 30.9
snr_fitb- 97.2
bonsai_dm- 184.8pc cm⁻³
dm_fitb- 185.3533± 0.00870pc cm⁻³
dm_exc_ne2001- 144.4pc cm⁻³
dm_exc_ymw16- 152.8pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 59274.59935741267± 7.59 × 10⁻¹⁰MJD
mjd_infDiffers between sub-bursts.- 59274.59930183178± 2.72 × 10⁻⁹MJD
Burst shape
bc_width- 0.00983s
width_fitbDiffers between sub-bursts.- 0.001759± 0.0000342s
scat_time- 0.000000s
Flux and spectrum
flux- 1.40± 0.44Jy
fluence- 8.38± 2.20Jy ms
peak_freqDiffers between sub-bursts.- 465.8MHz
low_freq- 400.2MHz
high_freqDiffers between sub-bursts.- 560.5MHz
sp_idxDiffers between sub-bursts.- 20.37± 0.77
sp_runDiffers between sub-bursts.- -67.12± 2.42
Exposure and fluence thresholds
exp_up- 103.93± 63.21hour
exp_low- 0.00± 0.00hour
low_ft_68- —
up_ft_68- 3.5Jy ms
low_ft_95- —
up_ft_95- 5.9Jy ms
Fit quality
chi_sq- 2107721.196
dof- 2117167
flag_frac- 0.202