2025izg

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Information

Transient

Name: SN2025izg
Right ascension: 15h06m47.47s
Declination: 29d20m47.76s
Discovery Date: April 30, 2025, 7:55 a.m.
Classification: SN Ia-91bg-like
Redshift: 0.060000
MW E(B-V): 0.022

Host

Name: 2025izg
Right ascension: 15h06m46.83s
Declination: 29d21m27.73s
Redshift: None
Photometric Redshift: 0.316

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	0.72
Transient MWEBV	processed	0.09
Host match	processed	1.97
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.69
Global aperture photometry	processed	6.19
Validate global photometry	processed	15.36
Global host SED inference	processed	888.51
Local aperture photometry	processed	6.66
Validate local photometry	processed	0.03
Local host SED inference	processed	595.12

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) = 15h06m47.47s, 29d20m47.76s
semi major axis, semi minor axis (arcsec) = 1.73, 1.73
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	-1.72	1.08			AB
SDSS_g	0.43	0.52	24.826	1.335	AB
DES_g	0.76	0.16	24.201	0.225	AB
PanSTARRS_g	0.53	0.41	24.598	0.851	AB
SDSS_r	0.92	0.79	23.986	0.930	AB
PanSTARRS_r	1.34	0.46	23.583	0.371	AB
DES_r	0.51	0.38	24.622	0.804	AB
SDSS_i	2.17	1.2	23.059	0.601	AB
PanSTARRS_i	1.42	0.49	23.520	0.378	AB
PanSTARRS_z	4.09	1.13	22.370	0.300	AB
SDSS_z	4.06	4.41	22.380	1.181	AB
DES_z	3.01	0.92	22.702	0.331	AB
PanSTARRS_y	4.49	3.55	22.270	0.858	AB

Aperture details

RA, DEC (J2000) = 15h06m46.82s, 29d21m27.90s
semi major axis, semi minor axis (arcsec) = 2.76, 2.3
angle (degrees, anti-clockwise from east) = -3.07

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.53	1.31	23.439	0.930	AB
GALEX_NUV	0.82	1.56	24.122	2.081	AB
DES_g	19.11	0.32	20.697	0.018	AB
PanSTARRS_g	19.6	0.58	20.669	0.032	AB
PanSTARRS_r	67.05	0.64	19.334	0.010	AB
DES_r	75.58	1.94	19.204	0.028	AB
PanSTARRS_i	112.52	0.7	18.772	0.007	AB
PanSTARRS_z	146.71	1.65	18.484	0.012	AB
DES_z	166.48	3.7	18.347	0.024	AB
PanSTARRS_y	183.62	5.2	18.240	0.031	AB
2MASS_J	270.62	86.17	16.924	0.346	Vega
2MASS_H	257.61	132.33	16.505	0.558	Vega
2MASS_K	357.69	151.19	15.678	0.459	Vega
WISE_W1	198.49	7.78	15.457	0.043	Vega
WISE_W2	144.99	10.8	15.158	0.081	Vega
WISE_W3	78.68	34.09	13.986	0.470	Vega
WISE_W4	-44.63	210.45			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})\,	7.476	8.018	8.314
{\rm log}_{10}({\rm SFR})	-1.367	-0.870	-0.448
{\rm log}_{10}({\rm sSFR})	-9.561	-8.840	-7.999
{\rm stellar\ age}	0.272	5.927	8.396

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.772	-1.376	-0.770
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.674	-0.776	0.204

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	1.855	2.496	3.066
\delta	0.083	0.226	0.341
\tau_1/\tau_2	0.651	0.953	1.280
Q_{PAH}	0.500	1.665	3.883
U_{min}	3.450	9.638	17.331
{\rm log}_{10}(\gamma_e)\,	-3.245	-1.941	-0.794

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.588	-1.230	0.050
{\rm log}_{10}(\tau_{AGN})\,	0.984	1.452	1.869

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.059	-0.464	-0.011
0.03-0.10 Gyr	-3.626	-1.957	-0.995
0.10-0.33 Gyr	-5.404	-2.695	-1.665
0.33-1.08 Gyr	-6.086	-2.950	-1.910
1.08-3.55 Gyr	-5.524	-2.664	-1.740
3.55-11.66 Gyr	-5.441	-2.277	-1.587
11.66-12.96 Gyr	-5.855	-2.281	-1.157

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.700	9.800	9.885
{\rm log}_{10}({\rm SFR})	-1.661	-1.068	-0.640
{\rm log}_{10}({\rm sSFR})	-11.488	-10.870	-10.386
{\rm stellar\ age}	8.443	12.060	12.297

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.321	-0.884	-0.529
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.219	0.294	0.438

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	1.113	1.356	1.595
\delta	-0.458	-0.316	-0.191
\tau_1/\tau_2	0.281	0.667	1.055
Q_{PAH}	0.659	1.743	3.699
U_{min}	3.066	8.568	16.183
{\rm log}_{10}(\gamma_e)\,	-3.343	-2.591	-1.662

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.103	-2.748	-1.820
{\rm log}_{10}(\tau_{AGN})\,	0.910	1.272	1.775

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.354	-0.740	-0.367
0.03-0.10 Gyr	-3.849	-1.733	-0.804
0.10-0.33 Gyr	-5.981	-2.886	-1.403
0.33-1.08 Gyr	-7.158	-3.371	-1.594
1.08-3.55 Gyr	-5.270	-2.678	-1.162
3.55-11.66 Gyr	-3.098	-1.295	-0.113
11.66-12.96 Gyr	0.156	0.918	1.018