2026afi

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Information

Transient

Name: SN2026afi
Right ascension: 9h38m44.37s
Declination: -20d00m55.30s
Discovery Date: Jan. 15, 2026, 8:55 a.m.
Classification: SN Ia
Redshift: 0.036695
MW E(B-V): 0.052

Host

Name: 154155
Right ascension: 9h38m44.69s
Declination: -20d01m02.84s
Redshift: 0.036176
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	0.93
Transient MWEBV	processed	0.03
Host match	processed	3.97
Host information	processed	0.09
Host MWEBV	processed	0.08
Global aperture construction	processed	0.65
Global aperture photometry	processed	4.26
Validate global photometry	processed	13.12
Global host SED inference	processed	390.13
Local aperture photometry	processed	4.0
Validate local photometry	processed	0.02
Local host SED inference	processed	478.41

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) = 9h38m44.37s, -20d00m55.30s
semi major axis, semi minor axis (arcsec) = 2.78, 2.78
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	35.09	0.75	20.037	0.023	AB
PanSTARRS_r	43.96	0.98	19.792	0.024	AB
PanSTARRS_i	51.29	1.14	19.625	0.024	AB
PanSTARRS_z	56.64	2.16	19.517	0.041	AB
DES_z	56.0	3.4	19.530	0.066	AB
PanSTARRS_y	61.36	4.57	19.430	0.081	AB

Aperture details

RA, DEC (J2000) = 9h38m44.72s, -20d01m02.98s
semi major axis, semi minor axis (arcsec) = 21.46, 10.55
angle (degrees, anti-clockwise from east) = -170.05

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	151.06	12.05	18.452	0.087	AB
GALEX_NUV	230.76	9.08	17.992	0.043	AB
PanSTARRS_g	1489.59	4.07	15.967	0.003	AB
PanSTARRS_r	2305.63	5.31	15.493	0.003	AB
PanSTARRS_i	2911.74	6.22	15.240	0.002	AB
PanSTARRS_z	3370.87	11.8	15.081	0.004	AB
PanSTARRS_y	4219.48	24.67	14.837	0.006	AB
2MASS_J	5884.81	368.24	13.581	0.068	Vega
2MASS_H	6735.26	565.83	12.962	0.091	Vega
2MASS_K	6373.21	676.95	12.551	0.115	Vega
WISE_W1	3731.52	39.11	12.271	0.011	Vega
WISE_W2	2499.72	44.68	12.066	0.019	Vega
WISE_W3	19294.88	167.01	8.012	0.009	Vega
WISE_W4	23011.1	1268.78	6.375	0.060	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})\,	7.782	8.163	8.380
{\rm log}_{10}({\rm SFR})	-2.177	-1.380	-0.461
{\rm log}_{10}({\rm sSFR})	-10.394	-9.564	-8.214
{\rm stellar\ age}	0.287	3.880	6.941

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.653	-1.160	-0.599
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.628	-0.977	-0.247

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.133	0.411	0.873
\delta	-0.503	-0.101	0.195
\tau_1/\tau_2	0.599	1.039	1.446
Q_{PAH}	1.013	3.313	5.598
U_{min}	3.283	8.975	16.683
{\rm log}_{10}(\gamma_e)\,	-3.234	-2.155	-0.657

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.972	-0.748	-0.023
{\rm log}_{10}(\tau_{AGN})\,	1.198	1.685	2.017

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.345	-1.932	-1.357
0.03-0.10 Gyr	-2.341	-1.299	-0.306
0.10-0.33 Gyr	-2.418	-1.274	-0.572
0.33-1.09 Gyr	-4.003	-1.698	-1.135
1.09-3.61 Gyr	-4.858	-2.009	-1.449
3.61-11.94 Gyr	-5.795	-2.224	-1.580
11.94-13.27 Gyr	-5.755	-2.282	-1.399

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.010	10.174	10.334
{\rm log}_{10}({\rm SFR})	0.462	0.708	0.984
{\rm log}_{10}({\rm sSFR})	-9.810	-9.468	-9.072
{\rm stellar\ age}	4.788	6.689	8.079

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.704	-0.382	-0.125
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.775	-0.953	0.296

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.540	0.748	0.961
\delta	0.019	0.164	0.297
\tau_1/\tau_2	0.678	1.012	1.344
Q_{PAH}	0.756	1.586	2.787
U_{min}	1.855	5.420	11.591
{\rm log}_{10}(\gamma_e)\,	-3.656	-2.878	-2.024

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.068	-2.898	-2.001
{\rm log}_{10}(\tau_{AGN})\,	1.039	1.519	1.934

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.265	0.569	0.819
0.03-0.10 Gyr	0.384	0.750	1.091
0.10-0.33 Gyr	-0.062	0.455	0.849
0.33-1.09 Gyr	-0.392	0.112	0.456
1.09-3.61 Gyr	-0.281	0.138	0.390
3.61-11.94 Gyr	-0.180	0.214	0.461
11.94-13.27 Gyr	-0.319	0.292	0.783