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, ApJ, 903, 152

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
Hα	5.66 ± 0.17
Hβ	1.90 ± 0.17
Hγ	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.