2020thw

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Information

Transient

Name: AT2020thw
Right ascension: 16h53m39.67s
Declination: -15d49m01.75s
Discovery Date: Sept. 15, 2020, 6:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.667

Host

Name: 2020thw
Right ascension: 16h53m40.23s
Declination: -15d49m03.12s
Redshift: None
Photometric Redshift: 0.095

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.06
Cutout download	processed	2.9
Global aperture construction	processed	2.67
Local aperture photometry	processed	3.44
Global aperture photometry	processed	3.62
Validate local photometry	processed	0.02
Validate global photometry	processed	9.79
Host information	processed	0.13
Global host SED inference	processed	541.79
Local host SED inference	processed	593.6
Transient information	processed	0.0
Transient MWEBV	processed	0.09
Host MWEBV	processed	0.04
Log transient processing status	processed	None

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:

Aperture Photometry

Aperture details

RA, DEC (J2000) = 16h53m39.67s, -15d49m01.75s
semi major axis, semi minor axis (arcsec) = 1.14, 1.14
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
PanSTARRS_i	2.65	0.4	22.843	0.162	AB
PanSTARRS_z	6.98	0.88	21.790	0.138	AB
PanSTARRS_y	0.07	2.1	26.747	31.392	AB

Aperture details

RA, DEC (J2000) = 16h53m40.23s, -15d49m02.97s
semi major axis, semi minor axis (arcsec) = 2.36, 1.76
angle (degrees, anti-clockwise from east) = -103.08

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
PanSTARRS_g	0.23	0.42	25.485	1.978	AB
PanSTARRS_r	2.76	0.59	22.798	0.234	AB
PanSTARRS_i	14.55	0.64	20.993	0.048	AB
PanSTARRS_z	29.86	1.4	20.212	0.051	AB
PanSTARRS_y	33.55	3.19	20.086	0.103	AB
2MASS_J	154.71	99.98	17.531	0.702	Vega
2MASS_H	81.21	147.56	17.758	1.973	Vega
2MASS_K	16.89	160.81	18.993	10.336	Vega
WISE_W1	21.51	30.04	17.869	1.516	Vega
WISE_W2	25.67	25.75	17.037	1.089	Vega
WISE_W3	-34.05	75.93			Vega
WISE_W4	258.66	466.57	11.248	1.958	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.467	8.898	9.124
${\rm log}_{10}({\rm SFR})$	-2.011	-0.720	-0.124
${\rm log}_{10}({\rm sSFR})$	-10.918	-9.663	-8.782
${\rm stellar\ age}$	1.071	6.143	8.055

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.777	-0.164	0.075
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.330	-0.534	0.149

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.988	1.581	2.200
$\delta$	-0.138	0.095	0.279
$\tau_1/\tau_2$	0.621	1.050	1.492
$Q_{PAH}$	1.086	3.237	5.479
$U_{min}$	2.985	8.543	16.623
${\rm log}_{10}(\gamma_e)\,$	-3.138	-2.011	-0.804

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.767	-1.216	0.005
${\rm log}_{10}(\tau_{AGN})\,$	1.021	1.479	1.876

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.151	-0.860	-0.238
0.03-0.10 Gyr	-1.917	-0.851	-0.094
0.10-0.33 Gyr	-2.858	-1.474	-0.662
0.33-1.06 Gyr	-3.880	-1.758	-1.079
1.06-3.46 Gyr	-4.131	-1.642	-1.122
3.46-11.27 Gyr	-3.515	-1.349	-0.993
11.27-12.52 Gyr	-3.887	-1.409	-0.591

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	9.597	9.838	10.033
${\rm log}_{10}({\rm SFR})$	-0.378	0.174	0.611
${\rm log}_{10}({\rm sSFR})$	-10.305	-9.711	-9.130
${\rm stellar\ age}$	4.275	6.923	8.582

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.820	-0.318	-0.027
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.301	-0.388	0.235

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	1.746	2.197	2.746
$\delta$	-0.166	-0.016	0.171
$\tau_1/\tau_2$	0.586	0.985	1.385
$Q_{PAH}$	0.434	1.534	3.714
$U_{min}$	2.811	9.031	16.657
${\rm log}_{10}(\gamma_e)\,$	-3.516	-2.342	-1.193

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.254	-2.516	-0.980
${\rm log}_{10}(\tau_{AGN})\,$	0.902	1.245	1.823

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.533	0.014	0.476
0.03-0.10 Gyr	-1.064	-0.190	0.422
0.10-0.33 Gyr	-2.119	-0.584	0.111
0.33-1.06 Gyr	-2.372	-0.763	-0.157
1.06-3.46 Gyr	-2.711	-0.756	-0.228
3.46-11.27 Gyr	-1.408	-0.347	-0.068
11.27-12.52 Gyr	-1.490	-0.222	0.465