FRB 190102

Image from Bhandari et al., 2020, ApJL, 895, 37

Summary
- Detected by: ASKAP-ICS
- FRB coordinates (RA, Dec): 21:29:39.72 -79:28:32.2 (J2000)
- Host coordinates (RA, Dec): 21:29:39.76 -79:28:32.5 (J2000)
- Redshift: 0.2912
- Observed DM: 364.5 pc cm-3
- Repeating: No
- References: Macquart et al., 2020, Nature, 581, 391; Bhandari et al., 2020, ApJL, 895, 37; Day et al., 2020, MNRAS, 497, 3335; Heintz et al., 2020 (arXiv: 2009.10747)

Host galaxy properties

Quantity Measured value Unit
Stellar mass (3.39 ± 1.02) × 109 M
Star-formation rate 0.86 ± 0.26 M/yr
Metallicity 8.70+0.07-0.08 12+log(O/H)
E(B-V) 0.20 ± 0.10 mag
Mass-weighted age 55.65 Myr
Absolute r-band mag. -19.85 ± 0.06 mag
u - r color (rest-frame) 1.40 ± 0.12 mag
Half-light radius 4.43 ± 0.51 kpc
FRB offset from galaxy center 2.02 ± 2.18 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
5.66 ± 0.17
1.90 ± 0.17
1.07 ± 0.20
[OII] λ 3726 3.20 ± 0.28
[OII] λ 3729 4.21 ± 0.30
[OIII] λ 5007 3.80 ± 0.27
[NII] λ 6584 1.69 ± 0.19
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)
VLT/FORS2 u (361 nm) 22.77 ± 0.20
VLT/FORS2 g (470 nm) 21.87 ± 0.10
VLT/FORS2 I (768 nm) 20.77 ± 0.05
VLT/FORS2 z (910 nm) 20.54 ± 0.20
HST/WFC3 F160W (1.6 μm) 20.451 ± 0.006
Measurements are corrected for Galactic dust using the E(B−V) values derived from Schlafly & Finkbeiner, 2011, ApJ, 737, 103.