2025usw

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Information

Transient

Name: SN2025usw
Right ascension: 18h27m30.10s
Declination: 36d06m21.71s
Discovery Date: Aug. 21, 2025, 5:09 a.m.
Classification: SN Iax[02cx-like]
Redshift: 0.056000
MW E(B-V): 0.039

Host

Name:
Right ascension: 18h27m30.09s
Declination: 36d06m19.09s
Redshift: 0.045885
Photometric Redshift: 0.053

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	11.65
Transient MWEBV	processed	0.04
Host match	processed	7.67
Host information	processed	0.19
Host MWEBV	processed	0.04
Global aperture construction	processed	0.72
Global aperture photometry	processed	5.07
Validate global photometry	processed	13.66
Global host SED inference	processed	457.61
Local aperture photometry	processed	5.34
Validate local photometry	processed	0.02
Local host SED inference	processed	555.25

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) = 18h27m30.10s, 36d06m21.71s
semi major axis, semi minor axis (arcsec) = 2.22, 2.22
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	115.21	0.82	18.746	0.008	AB
PanSTARRS_g	131.24	0.46	18.605	0.004	AB
PanSTARRS_r	241.49	0.71	17.943	0.003	AB
PanSTARRS_i	347.81	0.59	17.547	0.002	AB
PanSTARRS_z	419.38	1.6	17.343	0.004	AB
DES_z	412.42	4.16	17.362	0.011	AB
PanSTARRS_y	500.39	3.78	17.152	0.008	AB

Aperture details

RA, DEC (J2000) = 18h27m30.07s, 36d06m19.14s
semi major axis, semi minor axis (arcsec) = 12.76, 9.13
angle (degrees, anti-clockwise from east) = -37.52

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	50.88	5.85	19.634	0.125	AB
GALEX_NUV	84.64	4.7	19.081	0.060	AB
DES_g	761.65	2.13	16.696	0.003	AB
PanSTARRS_g	801.23	2.08	16.641	0.003	AB
PanSTARRS_r	1364.88	3.25	16.062	0.003	AB
PanSTARRS_i	1952.25	2.71	15.674	0.002	AB
PanSTARRS_z	2287.26	7.52	15.502	0.004	AB
DES_z	2354.47	10.32	15.470	0.005	AB
PanSTARRS_y	2741.73	18.28	15.305	0.007	AB
2MASS_J	3286.6	199.29	14.213	0.066	Vega
2MASS_H	4164.63	259.21	13.483	0.068	Vega
2MASS_K	3692.91	381.31	13.144	0.112	Vega
WISE_W1	1519.51	36.9	13.247	0.026	Vega
WISE_W2	976.9	34.71	13.086	0.039	Vega
WISE_W3	3041.58	89.4	10.018	0.032	Vega
WISE_W4	2646.59	550.88	8.723	0.226	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})\,	9.661	9.773	9.892
{\rm log}_{10}({\rm SFR})	-1.822	-0.969	-0.359
{\rm log}_{10}({\rm sSFR})	-11.600	-10.733	-10.082
{\rm stellar\ age}	7.628	9.288	12.330

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.686	-1.257	-0.858
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.724	-0.284	0.339

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.409	0.724	1.039
\delta	-0.466	-0.092	0.210
\tau_1/\tau_2	0.569	0.971	1.396
Q_{PAH}	0.422	1.642	4.304
U_{min}	2.941	7.988	15.517
{\rm log}_{10}(\gamma_e)\,	-3.237	-2.027	-0.975

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.496	-1.319	-0.397
{\rm log}_{10}(\tau_{AGN})\,	1.018	1.482	1.895

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.494	-1.188	-0.552
0.03-0.10 Gyr	-2.224	-0.999	-0.281
0.10-0.33 Gyr	-2.988	-1.305	-0.574
0.33-1.09 Gyr	-3.937	-1.572	-0.757
1.09-3.59 Gyr	-3.878	-1.552	-0.511
3.59-11.83 Gyr	-1.671	-0.248	-0.023
11.83-13.14 Gyr	-0.329	0.465	0.981

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.339	10.415	10.499
{\rm log}_{10}({\rm SFR})	-0.120	0.232	0.745
{\rm log}_{10}({\rm sSFR})	-10.533	-10.182	-9.672
{\rm stellar\ age}	7.879	10.260	12.252

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.062	-0.673	-0.497
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.080	0.237	0.404

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.182	0.315	0.525
\delta	-0.583	-0.280	-0.085
\tau_1/\tau_2	0.605	1.095	1.570
Q_{PAH}	0.311	0.841	1.734
U_{min}	3.134	8.966	15.933
{\rm log}_{10}(\gamma_e)\,	-2.950	-2.119	-1.433

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.156	-2.943	-2.083
{\rm log}_{10}(\tau_{AGN})\,	1.094	1.542	1.913

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.535	-0.167	0.145
0.03-0.10 Gyr	-0.197	0.324	0.901
0.10-0.33 Gyr	-2.610	-0.777	-0.085
0.33-1.09 Gyr	-4.189	-1.144	-0.424
1.09-3.59 Gyr	-3.538	-1.140	-0.299
3.59-11.83 Gyr	-1.091	0.335	0.610
11.83-13.14 Gyr	0.408	1.300	1.611