FRB 181112

Image from Prochaska et al., 2019, Science, 366, 231

Summary
- Detected by: ASKAP-ICS
- FRB coordinates (RA, Dec): 21:49:23.63 −52:58:15.3 (J2000)
- Host coordinates (RA, Dec): 21:49:23.68 -52:85:15.4 (J2000)
- Redshift: 0.4755
- Observed DM: 589.27 pc cm-3
- Repeating: No
- References: Prochaska et al., 2019, Science, 366, 231; Bhandari et al., 2020, ApJ, 895, 37; Heintz et al., 2020 (arXiv: 2009.10747)

Host galaxy properties

Quantity Measured value Unit
Stellar mass (3.98 ± 2.02) × 109 M
Star-formation rate 0.37 ± 0.11 M/yr
Metallicity 8.86+0.25-0.65 12+log(O/H)
E(B-V) 0.18 ± 0.10 mag
Mass-weighted age 572.4 Myr
Absolute r-band mag. -20.40 ± 0.07 mag
u - r color (rest-frame) 1.12 ± 0.15 mag
Half-light radius 7.19 ± 1.70 kpc
FRB offset from galaxy center 1.7 ± 19.2 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
0.64 ± 0.30
0.29 ± 0.02
[OIII] λ 5007 0.54 ± 0.03
[NII] λ 6584 0.49 ± 0.30
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.

Photometry

Telescope Filter (eff. wavelength) Magnitude (AB)
DES g (527 nm) 22.64 ± 0.09
DES r (659 nm) 21.68 ± 0.05
DES i (789 nm) 21.46 ± 0.06
DES z (976 nm) 21.42 ± 0.11
DES Y (1003 nm) 21.05 ± 0.17
VLT/FORS2 g (470 nm) 22.50 ± 0.04
VLT/FORS2 I (768 nm) 21.48 ± 0.04
Measurements are corrected for Galactic dust using the E(B−V) values derived from Schlafly & Finkbeiner, 2011, ApJ, 737, 103.