2026zwk results

2026zwk results

Information

Transient

Name:	`SN2026zwk`
Right ascension:	`16h47m41.50s`
Declination:	`44d54m20.10s`
Discovery Date:	`Aug. 22, 2026, 4:13 a.m.`
Classification:	`SN Ia`
Redshift:	`0.053000`
MW E(B-V):	`0.012`

Host

Name:	`J164741.42+445418.08`
Object ID:	`9907736308286229`
Catalog Name:	`decals`
Catalog Release:	`dr9`
Right ascension:	`16h47m41.42s`
Declination:	`44d54m18.08s`
Redshift:	`0.051511`
Photometric Redshift:	`None`

Cutout Download Report

Downloadable	Unavailable
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

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	16.39
Transient MWEBV	processed	0.17
Host match	processed	6.64
Host information	processed	0.04
Host MWEBV	processed	0.04
Host spectrum download	processed	0.12
Global aperture construction	processed	0.67
Global aperture photometry	processed	5.71
Validate global photometry	processed	16.28
Global host SED inference	processed	321.89
Local aperture photometry	processed	5.38
Validate local photometry	processed	0.03
Local host SED inference	processed	385.11

Imaging data

Spectral Energy Distribution

Host Galaxy Spectrum

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.416	9.590	9.708
{\rm log}_{10}({\rm SFR})	-1.049	-0.450	0.078
{\rm log}_{10}({\rm sSFR})	-10.681	-10.062	-9.381
{\rm stellar\ age}	3.312	6.637	8.005

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.643	-1.091	-0.557
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.407	-0.462	0.260

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.301	0.656	1.110
\delta	-0.426	-0.113	0.227
\tau_1/\tau_2	0.675	0.990	1.317
Q_{PAH}	0.644	1.922	4.176
U_{min}	2.735	7.870	15.647
{\rm log}_{10}(\gamma_e)\,	-3.016	-1.654	-0.559

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.507	-3.339	-1.264
{\rm log}_{10}(\tau_{AGN})\,	1.084	1.551	1.965

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.281	-0.586	-0.119
0.03-0.10 Gyr	-1.175	-0.474	0.138
0.10-0.33 Gyr	-1.173	-0.543	0.057
0.33-1.08 Gyr	-1.355	-0.630	-0.109
1.08-3.57 Gyr	-1.221	-0.471	-0.170
3.57-11.75 Gyr	-1.162	-0.341	-0.108
11.75-13.06 Gyr	-1.452	-0.374	0.176
0.33-1.08 Gyr	-1.271	-0.581	-0.094
1.08-3.57 Gyr	-1.143	-0.446	-0.138
3.57-11.76 Gyr	-1.225	-0.344	-0.131
11.76-13.07 Gyr	-1.538	-0.416	0.123

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.286	10.373	10.454
{\rm log}_{10}({\rm SFR})	-0.184	0.068	0.321
{\rm log}_{10}({\rm sSFR})	-10.611	-10.302	-10.012
{\rm stellar\ age}	5.514	6.722	7.756

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.716	-0.330	-0.067
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.432	-0.623	0.085

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.133	0.239	0.404
\delta	-0.640	-0.279	0.041
\tau_1/\tau_2	0.659	0.937	1.247
Q_{PAH}	1.237	2.415	4.165
U_{min}	2.567	6.744	13.371
{\rm log}_{10}(\gamma_e)\,	-3.374	-2.752	-2.018

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.741	-1.482	-1.217
{\rm log}_{10}(\tau_{AGN})\,	0.925	1.262	1.608

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.281	0.041	0.271
0.03-0.10 Gyr	-0.263	0.071	0.389
0.10-0.33 Gyr	-0.253	0.155	0.473
0.33-1.08 Gyr	-0.214	0.232	0.499
1.08-3.57 Gyr	0.176	0.471	0.680
3.57-11.75 Gyr	0.276	0.496	0.663
11.75-13.06 Gyr	-0.021	0.445	0.890
0.33-1.08 Gyr	-0.099	0.266	0.518
1.08-3.57 Gyr	0.198	0.479	0.676
3.57-11.76 Gyr	0.233	0.470	0.626
11.76-13.07 Gyr	-0.095	0.418	0.856

Aperture Photometry

Aperture details

RA, DEC (J2000):	16h47m41.50s, 44d54m20.10s
semi major axis, semi minor axis (arcsec):	1.99, 1.99
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	48.8	2.37	19.679	0.053	AB
SDSS_g	146.26	3.18	18.487	0.024	AB
PanSTARRS_g	154.59	0.42	18.427	0.003	AB
SDSS_r	240.72	4.11	17.946	0.019	AB
PanSTARRS_r	252.99	0.61	17.892	0.003	AB
SDSS_i	321.26	4.88	17.633	0.017	AB
PanSTARRS_i	339.46	0.68	17.573	0.002	AB
PanSTARRS_z	373.47	1.45	17.469	0.004	AB
SDSS_z	399.44	7.48	17.396	0.020	AB
PanSTARRS_y	435.02	3.11	17.304	0.008	AB

Aperture details

RA, DEC (J2000):	16h47m41.44s, 44d54m18.55s
semi major axis, semi minor axis (arcsec):	11.84, 10.07
angle (degrees, anti-clockwise from east):	280.43

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	80.24	2.31	19.139	0.031	AB
GALEX_NUV	123.09	1.67	18.674	0.015	AB
SDSS_u	310.09	9.89	17.671	0.035	AB
SDSS_g	935.67	8.42	16.472	0.010	AB
PanSTARRS_g	1021.63	2.04	16.377	0.002	AB
SDSS_r	1566.45	11.23	15.913	0.008	AB
PanSTARRS_r	1666.32	2.97	15.846	0.002	AB
SDSS_i	2074.86	14.41	15.608	0.008	AB
PanSTARRS_i	2155.79	3.5	15.566	0.002	AB
PanSTARRS_z	2413.72	7.67	15.443	0.003	AB
SDSS_z	2353.54	32.37	15.471	0.015	AB
PanSTARRS_y	2971.38	16.91	15.218	0.006	AB
2MASS_J	2988.89	244.12	14.316	0.089	Vega
2MASS_H	4676.31	391.19	13.358	0.091	Vega
WISE_W1	1950.57	24.13	12.976	0.013	Vega
WISE_W2	1560.14	26.96	12.578	0.019	Vega
WISE_W3	4682.22	88.24	9.550	0.020	Vega
WISE_W4	3813.55	582.64	8.327	0.166	Vega