FRB 20191228A

Image from Bhandari et al., 2021 (ArXiv: 2108.01282)

Summary
- Detected by: ASKAP
- FRB coordinates (RA, Dec): 22:57:43.30 -29:35:38.70 (J2000)
- Host coordinates (RA, Dec): 22:57:43.41 -29:35:39.13 (J2000)
- Redshift: 0.2432
- Observed DM: 297.5 ± 0.05 pc cm-3
- Repeating: No
- References: Bhandari et al., 2021 (ArXiv: 2108.01282)

Host galaxy properties

Quantity Measured value Unit
Stellar mass (0.54 ± 0.60) × 1010 M
Star-formation rate 0.03 ± 0.01 M/yr
Metallicity 8.48 12+log(O/H)
Absolute r-band mag. -18.26 ± 0.05 mag
u - r color (rest-frame) 2.13 ± 0.74 mag
Half-light radius 1.78 ± 0.06 kpc
FRB offset from galaxy center 5.7 ± 3.3 kpc
Gas-phase metallicities are derived using the O3N2 calibration from Hirschauer et al., 2018, AJ, 155, 82.

Emission line fluxes

Emission line Measured value
0.30 ± 0.02
0.02 ± 0.01
[OIII] λ 5007 0.13 ± 0.03
[NII] λ 6584 0.08 ± 0.02
Measurements are reported in units of 10-16 erg s-1 cm-2 and are corrected for Galactic dust using the E(B−V) values derived from Schlafly & Finkbeiner, 2011, ApJ, 737, 103.