FRB 20181119D
A burst from FRB20121102A
- Previous name
- FRB121102
- Repeater
- FRB20121102A
- Arrival, 400 MHz
- 2018-11-19 09:38:41.766 UTC
- Right ascension
- 82.995°
- Declination
- 33.148°
How the sub-bursts differ
This burst has 3 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 |
|---|---|---|---|
| Arrival time, 400 MHzMJD | 58441.401871911 | 58441.401872061 | 58441.401872293 |
| Arrival time, infinite frequencyMJD | 58441.401702677 | 58441.401702827 | 58441.401703059 |
| Width (fitburst)s | 0.005000 | 0.009600 | 0.008100 |
| Peak frequencyMHz | 668.9 | 629.2 | 587.2 |
| Lowest frequencyMHz | 548.9 | 530.7 | 503.6 |
| Highest frequencyMHz | 800.2 | 746.0 | 684.6 |
| Spectral index | 61.00 | 72.00 | 75.00 |
| Spectral running | -59.00 | -79.00 | -98.00 |
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Notes
- Right ascension. RA from Chaterjee et al. (2017)
- Declination. Dec from Chaterjee et al. (2017)
- Upper transit exposure. No error on exposure due to precise position. See Section 2.2.
Position
ra- 82.995± 0.000degrees
dec- 33.148± 0.000degrees
gl- 174.88degrees
gb- -0.22degrees
Detection and dispersion
bonsai_snr- 23.7
snr_fitb- 41.8
bonsai_dm- 595.2pc cm⁻³
dm_fitb- 564.3670± 0.04300pc cm⁻³
dm_exc_ne2001- 375.9pc cm⁻³
dm_exc_ymw16- 277.3pc cm⁻³
Arrival time
mjd_400Differs between sub-bursts.- 58441.401872293± 3.80 × 10⁻⁸MJD
mjd_infDiffers between sub-bursts.- 58441.401703059± 4.00 × 10⁻⁸MJD
Burst shape
bc_width- 0.03637s
width_fitbDiffers between sub-bursts.- 0.008100± 0.0027000s
scat_time- <0.0069s
Flux and spectrum
flux- 0.46± 0.28Jy
fluence- 12.60± 5.50Jy ms
peak_freqDiffers between sub-bursts.- 587.2MHz
low_freqDiffers between sub-bursts.- 503.6MHz
high_freqDiffers between sub-bursts.- 684.6MHz
sp_idxDiffers between sub-bursts.- 75.00± 23.00
sp_runDiffers between sub-bursts.- -98.00± 32.00
Exposure and fluence thresholds
exp_up- 17.04± 0.00hour
exp_low- —
low_ft_68- 0.0Jy ms
up_ft_68- 12.0Jy ms
low_ft_95- 0.0Jy ms
up_ft_95- 21.8Jy ms
Fit quality
chi_sq- 1288631.088
dof- 1285296
flag_frac- 0.410