2025smn

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Information

Transient

Name: SN2025smn
Right ascension: 22h15m37.67s
Declination: -30d35m01.98s
Discovery Date: July 26, 2025, 5:05 a.m.
Classification: SN Ia
Redshift: 0.086000
MW E(B-V): 0.014

Host

Name:
Right ascension: 22h15m37.78s
Declination: -30d35m01.18s
Redshift: 0.081000
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	29.61
Transient MWEBV	processed	0.11
Host match	processed	6.16
Host information	processed	0.15
Host MWEBV	processed	0.05
Global aperture construction	processed	0.66
Global aperture photometry	processed	3.59
Validate global photometry	processed	11.32
Global host SED inference	processed	418.58
Local aperture photometry	processed	4.33
Validate local photometry	processed	0.02
Local host SED inference	processed	659.73

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) = 22h15m37.67s, -30d35m01.98s
semi major axis, semi minor axis (arcsec) = 1.31, 1.31
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	28.32	0.62	20.270	0.024	AB
PanSTARRS_r	38.67	0.59	19.932	0.017	AB
PanSTARRS_i	42.37	0.84	19.832	0.021	AB
PanSTARRS_z	49.12	1.71	19.672	0.038	AB
PanSTARRS_y	48.82	3.03	19.678	0.067	AB

Aperture details

RA, DEC (J2000) = 22h15m37.78s, -30d35m01.16s
semi major axis, semi minor axis (arcsec) = 5.23, 4.5
angle (degrees, anti-clockwise from east) = -95.46

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	34.2	2.2	20.065	0.070	AB
GALEX_NUV	41.23	0.85	19.862	0.022	AB
PanSTARRS_g	149.55	2.22	18.463	0.016	AB
PanSTARRS_r	189.79	2.08	18.204	0.012	AB
PanSTARRS_i	216.24	3.04	18.063	0.015	AB
PanSTARRS_z	239.49	6.21	17.952	0.028	AB
PanSTARRS_y	274.85	11.05	17.802	0.044	AB
2MASS_J	435.87	121.59	16.407	0.303	Vega
2MASS_H	184.04	200.41	16.870	1.182	Vega
2MASS_K	564.35	199.66	15.183	0.384	Vega
WISE_W1	122.26	11.54	15.983	0.103	Vega
WISE_W2	76.81	16.35	15.847	0.231	Vega
WISE_W3	239.11	76.14	12.779	0.346	Vega
WISE_W4	264.02	447.38	11.226	1.840	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})\,	8.522	8.742	8.914
{\rm log}_{10}({\rm SFR})	-3.273	-1.382	-0.036
{\rm log}_{10}({\rm sSFR})	-12.037	-10.221	-8.748
{\rm stellar\ age}	0.291	2.293	5.891

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.595	-0.961	-0.316
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.516	-0.746	0.024

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.123	0.379	0.938
\delta	-0.731	-0.256	0.209
\tau_1/\tau_2	0.593	1.040	1.501
Q_{PAH}	1.294	3.860	6.060
U_{min}	3.392	9.687	18.049
{\rm log}_{10}(\gamma_e)\,	-3.177	-1.971	-0.664

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.571	-0.386	0.067
{\rm log}_{10}(\tau_{AGN})\,	1.084	1.569	2.036

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.601	-2.380	-1.495
0.03-0.10 Gyr	-3.575	-1.334	0.124
0.10-0.33 Gyr	-1.757	-0.439	0.191
0.33-1.07 Gyr	-3.317	-0.876	-0.240
1.07-3.49 Gyr	-4.547	-1.713	-0.901
3.49-11.42 Gyr	-5.523	-2.216	-1.141
11.42-12.69 Gyr	-5.885	-2.106	-0.949

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.323	9.461	9.582
{\rm log}_{10}({\rm SFR})	-0.311	0.125	0.421
{\rm log}_{10}({\rm sSFR})	-9.761	-9.355	-8.980
{\rm stellar\ age}	3.051	5.387	6.872

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.949	-0.541	-0.188
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.309	-0.202	0.315

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.045	0.130	0.310
\delta	-0.542	-0.051	0.258
\tau_1/\tau_2	0.619	1.004	1.388
Q_{PAH}	0.657	2.067	4.111
U_{min}	2.687	8.310	15.595
{\rm log}_{10}(\gamma_e)\,	-2.559	-1.371	-0.461

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.090	-2.707	-1.756
{\rm log}_{10}(\tau_{AGN})\,	1.023	1.495	1.912

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.502	-1.136	-0.696
0.03-0.10 Gyr	-0.172	0.277	0.582
0.10-0.33 Gyr	-0.130	0.260	0.572
0.33-1.07 Gyr	-1.304	-0.386	-0.031
1.07-3.49 Gyr	-1.346	-0.543	-0.269
3.49-11.42 Gyr	-1.409	-0.593	-0.336
11.42-12.69 Gyr	-1.417	-0.523	-0.006