FRB 191001

Image from Heintz et al., 2020, ApJ, 903, 152

Summary
- Detected by: ASKAP-ICS
- FRB coordinates (RA, Dec): 21:33:24.37 -54:44:51.9 (J2000)
- Host coordinates (RA, Dec): 21:33:24.44 -54:44:54.7 (J2000)
- Redshift: 0.2340
- Observed DM: 507.9 pc cm^-3
- Repeating: No
- References: Bhandari et al., 2020, ApJL, 901, 20; Heintz et al., 2020, ApJ, 903, 152

Host galaxy properties

Quantity	Measured value	Unit
Stellar mass	(4.64 ± 1.88) × 1010	M⊙
Star-formation rate	8.06 ± 2.42	M⊙/yr
Metallicity	8.94 ± 0.05	12+log(O/H)
E(B-V)	0.27 ± 0.16	mag
Mass-weighted age	639.7	kpc
Absolute r-band mag.	-22.13 ± 0.05	mag
u - r color (rest-frame)	1.67 ± 0.19	mag
Half-light radius	5.55 ± 0.03	kpc
FRB offset from galaxy center	11.0 ± 0.5	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	27.4 ± 0.3
Hβ	5.01 ± 0.30
[OIII] λ 5007	3.62 ± 0.35
[NII] λ 6584	13.9 ± 0.2

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
DES	g (527 nm)	19.12 ± 0.01
DES	r (659 nm)	18.34 ± 0.01
DES	i (789 nm)	17.91 ± 0.01
DES	z (976 nm)	17.74 ± 0.01
DES	Y (1003 nm)	17.63 ± 0.01
VLT/FORS2	g (470 nm)	18.89 ± 0.10
VLT/FORS2	I (768 nm)	17.84 ± 0.10

Measurements are corrected for Galactic dust using the E(B−V) values derived from Schlafly & Finkbeiner, 2011, ApJ, 737, 103.