2020hew results

2020hew results

Information

Transient

Name:	`AT2020hew`
Right ascension:	`8h58m43.26s`
Declination:	`12d40m37.61s`
Discovery Date:	`April 12, 2020, 7:30 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.033`

Host

Name:	`25215`
Right ascension:	`8h58m43.25s`
Declination:	`12d40m38.34s`
Redshift:	`0.030034`
Photometric Redshift:	`None`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 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_z	GALEX_NUV GALEX_FUV DES_i DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	28.45
Transient MWEBV	processed	0.04
Host match	processed	3.78
Host information	processed	0.14
Host MWEBV	processed	0.04
Global aperture construction	processed	0.6
Global aperture photometry	processed	5.32
Validate global photometry	processed	15.59
Global host SED inference	processed	447.62
Local aperture photometry	processed	5.92
Validate local photometry	processed	0.02
Local host SED inference	processed	554.98

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	8h58m43.26s, 12d40m37.61s
semi major axis, semi minor axis (arcsec):	3.33, 3.33
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	159.62	4.13	18.392	0.028	AB
SDSS_g	567.34	6.24	17.015	0.012	AB
DES_g	634.69	1.36	16.894	0.002	AB
PanSTARRS_g	617.41	0.89	16.924	0.002	AB
SDSS_r	1158.03	8.93	16.241	0.008	AB
PanSTARRS_r	1169.54	1.11	16.230	0.001	AB
DES_r	1306.9	3.07	16.109	0.003	AB
SDSS_i	1564.38	10.44	15.914	0.007	AB
PanSTARRS_i	1596.86	1.43	15.892	0.001	AB
PanSTARRS_z	1980.34	2.41	15.658	0.001	AB
SDSS_z	2099.91	13.9	15.594	0.007	AB
DES_z	2200.74	8.16	15.544	0.004	AB
PanSTARRS_y	2357.47	5.7	15.469	0.003	AB
2MASS_J	2793.76	74.3	14.390	0.029	Vega
2MASS_H	3626.38	131.24	13.634	0.039	Vega
2MASS_K	3126.1	122.96	13.325	0.043	Vega

Aperture details

RA, DEC (J2000):	8h58m43.25s, 12d40m37.96s
semi major axis, semi minor axis (arcsec):	18.79, 17.12
angle (degrees, anti-clockwise from east):	-46.49

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	592.3	15.57	16.969	0.029	AB
SDSS_g	2506.21	13.77	15.402	0.006	AB
PanSTARRS_g	2571.6	3.96	15.374	0.002	AB
SDSS_r	4236.27	18.35	14.833	0.005	AB
PanSTARRS_r	4281.67	5.19	14.821	0.001	AB
DES_r	4725.25	6.33	14.714	0.001	AB
SDSS_i	5662.58	22.11	14.517	0.004	AB
PanSTARRS_i	5630.98	6.9	14.524	0.001	AB
PanSTARRS_z	6709.52	12.13	14.333	0.002	AB
SDSS_z	6365.64	44.57	14.390	0.008	AB
2MASS_J	9305.55	395.33	13.083	0.046	Vega
2MASS_H	10911.02	708.12	12.438	0.070	Vega
2MASS_K	9766.08	663.17	12.088	0.074	Vega
WISE_W1	4688.18	49.26	12.023	0.011	Vega
WISE_W2	2850.57	55.27	11.924	0.021	Vega
WISE_W3	11201.82	226.27	8.603	0.022	Vega
WISE_W4	14185.11	1529.15	6.900	0.117	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.790	9.921	10.050
{\rm log}_{10}({\rm SFR})	-0.679	-0.062	0.400
{\rm log}_{10}({\rm sSFR})	-10.663	-9.970	-9.433
{\rm stellar\ age}	6.088	7.562	9.269

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.427	-0.823	-0.436
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.816	0.092	0.333

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.522	0.841	1.115
\delta	-0.566	-0.268	0.041
\tau_1/\tau_2	0.602	0.978	1.412
Q_{PAH}	0.566	2.010	4.004
U_{min}	2.767	7.899	14.944
{\rm log}_{10}(\gamma_e)\,	-3.468	-2.133	-1.183

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.498	-3.397	-1.239
{\rm log}_{10}(\tau_{AGN})\,	0.947	1.439	1.965

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.508	-0.209	0.095
0.03-0.10 Gyr	-0.994	-0.017	0.507
0.10-0.33 Gyr	-1.327	-0.345	0.116
0.33-1.10 Gyr	-1.301	-0.470	-0.065
1.10-3.63 Gyr	-0.994	-0.240	0.118
3.63-12.02 Gyr	-0.375	0.004	0.191
12.02-13.35 Gyr	-0.454	0.131	0.733

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.190	10.370	10.502
{\rm log}_{10}({\rm SFR})	-0.912	0.084	0.455
{\rm log}_{10}({\rm sSFR})	-11.257	-10.273	-9.821
{\rm stellar\ age}	5.058	7.345	9.531

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.104	-0.756	-0.543
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.841	-1.596	-0.207

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.292	0.469	0.644
\delta	-0.722	-0.385	0.056
\tau_1/\tau_2	0.433	0.811	1.224
Q_{PAH}	0.611	1.396	3.761
U_{min}	2.595	7.274	14.419
{\rm log}_{10}(\gamma_e)\,	-3.470	-2.530	-1.809

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.158	-3.068	-1.982
{\rm log}_{10}(\tau_{AGN})\,	1.109	1.623	1.978

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.505	0.174	0.402
0.03-0.10 Gyr	-2.451	-0.007	0.506
0.10-0.33 Gyr	-2.226	-0.033	0.511
0.33-1.10 Gyr	-1.690	-0.084	0.487
1.10-3.63 Gyr	-0.591	0.284	0.677
3.63-12.02 Gyr	-0.250	0.393	0.642
12.02-13.35 Gyr	-0.474	0.459	1.241