2025uso

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Information

Transient

Name: SN2025uso
Right ascension: 16h16m57.43s
Declination: 35d03m20.81s
Discovery Date: Aug. 20, 2025, 8:40 a.m.
Classification: SN IIb
Redshift: 0.025200
MW E(B-V): 0.018

Host

Name:
Right ascension: 16h16m57.46s
Declination: 35d03m21.67s
Redshift: None
Photometric Redshift: 0.033

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	15.43
Transient MWEBV	processed	0.09
Host match	processed	5.61
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	6.61
Validate global photometry	processed	16.02
Global host SED inference	processed	421.12
Local aperture photometry	processed	6.29
Validate local photometry	processed	0.02
Local host SED inference	processed	595.99

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) = 16h16m57.43s, 35d03m20.81s
semi major axis, semi minor axis (arcsec) = 3.94, 3.94
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	64.37	4.3	19.378	0.073	AB
SDSS_g	145.37	3.34	18.494	0.025	AB
DES_g	142.11	0.98	18.518	0.007	AB
PanSTARRS_g	147.02	1.0	18.482	0.007	AB
SDSS_r	162.71	3.84	18.371	0.026	AB
PanSTARRS_r	174.74	1.07	18.294	0.007	AB
SDSS_i	169.12	4.74	18.330	0.030	AB
PanSTARRS_i	178.53	1.04	18.271	0.006	AB
PanSTARRS_z	183.71	2.75	18.240	0.016	AB
SDSS_z	171.94	13.12	18.312	0.083	AB
DES_z	200.26	2.72	18.146	0.015	AB
PanSTARRS_y	206.91	5.94	18.111	0.031	AB
2MASS_J	284.27	77.81	16.871	0.297	Vega
2MASS_H	284.73	133.64	16.396	0.510	Vega
2MASS_K	281.72	131.42	15.938	0.506	Vega

Aperture details

RA, DEC (J2000) = 16h16m57.45s, 35d03m21.87s
semi major axis, semi minor axis (arcsec) = 6.45, 3.74
angle (degrees, anti-clockwise from east) = -2.05

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	67.06	5.27	19.334	0.085	AB
DES_g	158.48	1.05	18.400	0.007	AB
PanSTARRS_g	166.23	1.23	18.348	0.008	AB
SDSS_r	193.26	4.36	18.185	0.025	AB
PanSTARRS_r	209.54	1.32	18.097	0.007	AB
SDSS_i	214.44	5.64	18.072	0.029	AB
PanSTARRS_i	221.74	1.28	18.035	0.006	AB
PanSTARRS_z	239.78	3.39	17.950	0.015	AB
PanSTARRS_y	268.24	7.29	17.829	0.029	AB
2MASS_J	404.52	110.91	16.488	0.298	Vega
2MASS_K	440.78	187.41	15.452	0.462	Vega
WISE_W2	41.39	10.4	16.519	0.273	Vega
WISE_W3	69.37	52.88	14.123	0.828	Vega
WISE_W4	144.1	296.27	11.883	2.232	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})\,	7.923	8.241	8.467
{\rm log}_{10}({\rm SFR})	-1.370	-0.838	-0.383
{\rm log}_{10}({\rm sSFR})	-9.700	-9.073	-8.404
{\rm stellar\ age}	0.377	3.431	6.306

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.718	-1.122	-0.453
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.678	-1.306	-0.282

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.139	0.319	0.647
\delta	-0.629	-0.172	0.217
\tau_1/\tau_2	0.743	1.131	1.514
Q_{PAH}	0.938	2.711	5.102
U_{min}	2.997	8.681	15.755
{\rm log}_{10}(\gamma_e)\,	-3.098	-1.875	-0.822

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.917	-2.189	-1.055
{\rm log}_{10}(\tau_{AGN})\,	1.030	1.475	1.914

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.601	-1.332	-1.103
0.03-0.10 Gyr	-1.354	-0.724	-0.238
0.10-0.33 Gyr	-1.578	-0.889	-0.454
0.33-1.10 Gyr	-3.190	-1.507	-1.044
1.10-3.64 Gyr	-4.180	-1.919	-1.380
3.64-12.08 Gyr	-4.790	-2.200	-1.534
12.08-13.42 Gyr	-4.645	-2.234	-1.413

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.040	8.365	8.629
{\rm log}_{10}({\rm SFR})	-1.436	-0.863	-0.379
{\rm log}_{10}({\rm sSFR})	-9.929	-9.308	-8.563
{\rm stellar\ age}	0.591	4.012	6.776

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.489	-0.787	-0.271
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.704	-1.036	0.091

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.223	0.357	0.583
\delta	-0.728	-0.321	0.166
\tau_1/\tau_2	0.537	0.952	1.357
Q_{PAH}	0.915	2.186	4.292
U_{min}	3.198	8.376	15.181
{\rm log}_{10}(\gamma_e)\,	-3.192	-2.120	-1.132

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.415	-3.542	-2.476
{\rm log}_{10}(\tau_{AGN})\,	1.030	1.538	1.942

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.538	-1.263	-1.037
0.03-0.10 Gyr	-1.513	-0.757	-0.238
0.10-0.33 Gyr	-1.581	-0.843	-0.424
0.33-1.10 Gyr	-2.887	-1.416	-0.834
1.10-3.64 Gyr	-3.739	-1.762	-1.247
3.64-12.08 Gyr	-4.283	-2.011	-1.366
12.08-13.42 Gyr	-4.119	-1.970	-1.175