2020tcw

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Information

Transient

Name: SN2020tcw
Right ascension: 15h28m17.08s
Declination: 39d56m50.53s
Discovery Date: Sept. 12, 2020, 5:26 a.m.
Classification: SLSN-I
Redshift: 0.064500
MW E(B-V): 0.019

Host

Name: 2020tcw
Right ascension: 15h28m17.18s
Declination: 39d56m50.43s
Redshift: 0.064504
Photometric Redshift: 0.078

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.42
Transient MWEBV	processed	0.04
Host match	processed	1.6
Host information	processed	0.08
Host MWEBV	processed	0.04
Global aperture construction	processed	0.58
Global aperture photometry	processed	5.09
Validate global photometry	processed	14.3
Global host SED inference	processed	400.96
Local aperture photometry	processed	4.56
Validate local photometry	processed	0.03
Local host SED inference	processed	422.05

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) = 15h28m17.08s, 39d56m50.53s
semi major axis, semi minor axis (arcsec) = 1.61, 1.61
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	48.76	2.1	19.680	0.047	AB
SDSS_g	94.75	2.56	18.959	0.029	AB
PanSTARRS_g	111.75	0.43	18.779	0.004	AB
SDSS_r	63.19	2.16	19.398	0.037	AB
PanSTARRS_r	64.98	0.46	19.368	0.008	AB
SDSS_i	113.76	3.01	18.760	0.029	AB
PanSTARRS_i	116.17	0.56	18.737	0.005	AB
PanSTARRS_z	71.96	1.25	19.257	0.019	AB
SDSS_z	84.79	4.89	19.079	0.063	AB
PanSTARRS_y	89.64	2.78	19.019	0.034	AB

Aperture details

RA, DEC (J2000) = 15h28m17.16s, 39d56m50.64s
semi major axis, semi minor axis (arcsec) = 4.57, 3.4
angle (degrees, anti-clockwise from east) = -37.62

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	52.3	5.2	19.604	0.108	AB
GALEX_NUV	65.83	1.39	19.354	0.023	AB
SDSS_u	89.65	3.73	19.019	0.045	AB
SDSS_g	182.18	3.67	18.249	0.022	AB
PanSTARRS_g	199.47	0.94	18.150	0.005	AB
SDSS_r	144.63	3.49	18.499	0.026	AB
PanSTARRS_r	141.55	1.03	18.523	0.008	AB
SDSS_i	223.17	4.83	18.028	0.024	AB
PanSTARRS_i	225.79	1.25	18.016	0.006	AB
PanSTARRS_z	151.7	2.84	18.448	0.020	AB
SDSS_z	198.23	11.07	18.157	0.061	AB
PanSTARRS_y	177.68	6.28	18.276	0.038	AB
2MASS_J	109.58	104.53	17.906	1.036	Vega
2MASS_H	-32.39	170.93			Vega
2MASS_K	442.9	204.2	15.446	0.501	Vega
WISE_W1	169.02	8.47	15.631	0.054	Vega
WISE_W2	301.48	11.96	14.363	0.043	Vega
WISE_W3	2149.1	49.92	10.395	0.025	Vega
WISE_W4	10654.54	545.17	7.211	0.056	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.905	8.427	8.785
{\rm log}_{10}({\rm SFR})	-0.564	-0.288	-0.054
{\rm log}_{10}({\rm sSFR})	-9.207	-8.668	-8.039
{\rm stellar\ age}	0.489	3.850	6.430

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.392	-0.580	-0.065
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.191	-0.916	-0.397

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.113	0.200	0.389
\delta	-0.673	-0.195	0.240
\tau_1/\tau_2	0.595	0.951	1.365
Q_{PAH}	0.606	2.146	4.943
U_{min}	3.195	8.236	15.382
{\rm log}_{10}(\gamma_e)\,	-3.152	-2.001	-0.652

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.330	-1.472	-0.781
{\rm log}_{10}(\tau_{AGN})\,	0.944	1.424	1.905

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.375	-0.188	-0.052
0.03-0.10 Gyr	-0.844	-0.343	0.000
0.10-0.33 Gyr	-2.260	-1.104	-0.607
0.33-1.08 Gyr	-3.301	-1.554	-1.013
1.08-3.54 Gyr	-3.571	-1.708	-1.098
3.54-11.61 Gyr	-3.844	-1.894	-1.173
11.61-12.90 Gyr	-3.781	-1.957	-1.067

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.322	8.589	8.991
{\rm log}_{10}({\rm SFR})	-0.169	0.069	0.333
{\rm log}_{10}({\rm sSFR})	-9.058	-8.513	-8.020
{\rm stellar\ age}	0.178	2.325	5.628

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.270	-0.537	-0.057
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.601	-1.343	-0.655

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.086	0.145	0.319
\delta	-0.803	-0.387	0.033
\tau_1/\tau_2	0.646	1.030	1.414
Q_{PAH}	0.613	1.530	3.069
U_{min}	2.901	8.200	15.291
{\rm log}_{10}(\gamma_e)\,	-2.538	-1.341	-0.521

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.383	-0.959	-0.688
{\rm log}_{10}(\tau_{AGN})\,	1.212	1.504	1.754

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.182	-0.022	0.105
0.03-0.10 Gyr	-0.249	0.113	0.430
0.10-0.33 Gyr	-1.612	-0.388	0.034
0.33-1.08 Gyr	-3.498	-1.518	-0.734
1.08-3.54 Gyr	-4.439	-1.912	-1.025
3.54-11.61 Gyr	-4.624	-2.016	-1.089
11.61-12.90 Gyr	-4.553	-1.945	-0.908