FRB 20180916B

Image from Marcote et al., 2020, Nature, 577, 190

Summary
- Detected by: CHIME
- FRB coordinates (RA, Dec): 01:58:00.75 +65:43:00.32 (J2000)
- Host coordinates (RA, Dec): 01:58:00.28 +65:42:53.0 (J2000)
- Redshift: 0.0337
- Observed DM: 348.76 pc cm^-3
- Repeating: Yes
- References: Marcote et al., 2020, Nature, 577, 190; CHIME/FRB collaboration 2020, Nature, 582, 351; Heintz et al., 2020, ApJ, 903, 152; Tendulkar et al. 2020 (arXiv: 2011.03257); Mannings et al., 2020 (ArXiv: 2012.11617)

Host galaxy properties

Quantity	Measured value	Unit
Stellar mass	(2.15 ± 0.33) × 109	M⊙
Star-formation rate	0.06 ± 0.02	M⊙/yr
E(B-V)	0.12 ± 0.01	mag
Mass-weighted age	154.9	Myr
Absolute r-band mag.	-19.46 ± 0.05	mag
u - r color (rest-frame)	1.53 ± 0.06	mag
Half-light radius	3.57 ± 0.36	kpc
FRB offset from galaxy center	5.46 ± 0.01	kpc
ΣM⊙ (FRB)	0.115 ± 0.001	M⊙/kpc2

Emission line fluxes

Emission line	Measured value
Hα	40.3 ± 0.2
Hβ	--
[OIII] λ 4959	5.91 ± 0.62
[OIII] λ 5007	71.6 ± 0.6
[NII] λ 6584	15.2 ± 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
SDSS	u (355 nm)	20.31 ± 1.78
SDSS	g (469 nm)	17.08 ± 0.08
SDSS	r (617 nm)	16.17 ± 0.03
SDSS	i (748 nm)	15.93 ± 0.02
SDSS	z (893 nm)	15.85 ± 0.06
WISE	W1 (3.4 μm)	14.37 ± 0.03
WISE	W2 (4.6 μm)	14.41 ± 0.05
WISE	W3 (12.1 μm)	10.56 ± 0.08
WISE	W4 (22.2 μm)	9.08 ± 0.52

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