2025zzw

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Information

Transient

Name: SN2025zzw
Right ascension: 7h49m40.10s
Declination: 34d05m22.70s
Discovery Date: Oct. 11, 2025, 10:22 a.m.
Classification: SN Ia
Redshift: 0.075000
MW E(B-V): 0.045

Host

Name:
Right ascension: 7h49m40.14s
Declination: 34d05m22.45s
Redshift: None
Photometric Redshift: 0.155

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	18.97
Transient MWEBV	processed	0.1
Host match	processed	6.28
Host information	processed	0.12
Host MWEBV	processed	0.04
Global aperture construction	processed	2.71
Global aperture photometry	processed	6.58
Validate global photometry	processed	17.93
Global host SED inference	processed	512.35
Local aperture photometry	processed	6.63
Validate local photometry	processed	0.03
Local host SED inference	processed	427.44

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) = 7h49m40.10s, 34d05m22.70s
semi major axis, semi minor axis (arcsec) = 1.41, 1.41
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	6.07	0.18	21.943	0.032	AB
PanSTARRS_g	6.39	0.33	21.887	0.056	AB
SDSS_r	10.41	1.04	21.357	0.108	AB
PanSTARRS_r	8.5	0.35	21.576	0.044	AB
DES_r	8.99	0.33	21.515	0.040	AB
SDSS_i	10.7	1.3	21.327	0.131	AB
PanSTARRS_i	12.16	0.36	21.188	0.032	AB
PanSTARRS_z	12.4	1.02	21.166	0.090	AB
SDSS_z	12.52	5.23	21.156	0.453	AB
DES_z	12.45	0.66	21.162	0.058	AB
PanSTARRS_y	9.23	2.42	21.488	0.285	AB

Aperture details

RA, DEC (J2000) = 7h49m40.14s, 34d05m22.53s
semi major axis, semi minor axis (arcsec) = 3.76, 2.9
angle (degrees, anti-clockwise from east) = -4.56

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	2.72	1.63	22.813	0.651	AB
GALEX_NUV	4.53	1.26	22.259	0.303	AB
SDSS_u	-0.39	2.6			AB
SDSS_g	9.51	1.27	21.454	0.145	AB
DES_g	9.57	0.26	21.448	0.029	AB
PanSTARRS_g	11.24	0.77	21.273	0.074	AB
SDSS_r	17.99	1.89	20.763	0.114	AB
PanSTARRS_r	8.37	0.8	21.593	0.104	AB
DES_r	12.89	0.45	21.125	0.038	AB
SDSS_i	14.22	2.55	21.018	0.195	AB
PanSTARRS_i	15.53	0.81	20.922	0.057	AB
PanSTARRS_z	14.74	2.33	20.979	0.172	AB
SDSS_z	49.63	12.23	19.661	0.268	AB
DES_z	14.63	1.06	20.987	0.078	AB
PanSTARRS_y	12.54	5.49	21.154	0.476	AB
2MASS_J	-13.11	72.59			Vega
2MASS_H	-217.84	106.28			Vega
2MASS_K	-116.62	130.25			Vega
WISE_W1	4.12	9.12	19.664	2.405	Vega
WISE_W2	-0.23	12.6			Vega
WISE_W3	-8.3	60.6			Vega
WISE_W4	182.83	468.1	11.625	2.780	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})\,	8.180	8.345	8.457
{\rm log}_{10}({\rm SFR})	-2.193	-1.605	-0.715
{\rm log}_{10}({\rm sSFR})	-10.510	-9.934	-8.998
{\rm stellar\ age}	1.647	5.387	7.048

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.760	-1.330	-0.806
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.657	-0.996	-0.020

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.222	0.536	1.173
\delta	-0.322	0.011	0.259
\tau_1/\tau_2	0.599	0.987	1.389
Q_{PAH}	1.145	2.649	4.787
U_{min}	2.787	7.952	15.298
{\rm log}_{10}(\gamma_e)\,	-2.821	-1.698	-0.672

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.160	-0.100	0.279
{\rm log}_{10}(\tau_{AGN})\,	1.185	1.608	1.983

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.338	-1.784	-1.312
0.03-0.10 Gyr	-2.388	-1.600	-0.618
0.10-0.33 Gyr	-2.289	-1.524	-0.793
0.33-1.07 Gyr	-2.303	-1.485	-0.989
1.07-3.51 Gyr	-2.718	-1.586	-1.318
3.51-11.49 Gyr	-3.308	-1.724	-1.421
11.49-12.77 Gyr	-3.171	-1.783	-1.232

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.947	8.291	8.516
{\rm log}_{10}({\rm SFR})	-1.025	-0.400	0.188
{\rm log}_{10}({\rm sSFR})	-9.414	-8.612	-7.950
{\rm stellar\ age}	0.135	3.341	6.717

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.573	-1.015	-0.191
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.479	-0.767	-0.027

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.240	0.810	1.545
\delta	0.123	0.285	0.365
\tau_1/\tau_2	0.664	1.131	1.561
Q_{PAH}	0.877	2.590	5.006
U_{min}	3.302	9.438	17.348
{\rm log}_{10}(\gamma_e)\,	-3.107	-1.917	-0.807

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.249	-0.943	-0.050
{\rm log}_{10}(\tau_{AGN})\,	1.133	1.539	1.912

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.928	-1.102	-0.605
0.03-0.10 Gyr	-0.967	-0.301	0.340
0.10-0.33 Gyr	-2.951	-1.264	-0.558
0.33-1.07 Gyr	-4.753	-2.023	-1.342
1.07-3.51 Gyr	-5.538	-2.280	-1.510
3.51-11.49 Gyr	-6.039	-2.374	-1.530
11.49-12.77 Gyr	-6.047	-2.219	-1.237