2025ztm

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Information

Transient

Name: SN2025ztm
Right ascension: 10h31m00.46s
Declination: 50d02m22.47s
Discovery Date: Oct. 11, 2025, 11:04 a.m.
Classification: SN Ia-91T-like
Redshift: 0.070000
MW E(B-V): 0.012

Host

Name:
Right ascension: 10h31m00.42s
Declination: 50d02m21.95s
Redshift: None
Photometric Redshift: 0.109

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	8.23
Transient MWEBV	processed	0.08
Host match	processed	6.26
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.65
Validate global photometry	processed	17.13
Global host SED inference	processed	494.61
Local aperture photometry	processed	6.52
Validate local photometry	processed	0.03
Local host SED inference	processed	501.74

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) = 10h31m00.46s, 50d02m22.47s
semi major axis, semi minor axis (arcsec) = 1.5, 1.5
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_g	16.77	1.13	20.839	0.073	AB
DES_g	17.34	0.31	20.802	0.019	AB
PanSTARRS_g	17.32	0.3	20.804	0.019	AB
SDSS_r	25.02	1.43	20.404	0.062	AB
PanSTARRS_r	29.09	0.42	20.241	0.016	AB
SDSS_i	33.18	1.85	20.098	0.061	AB
PanSTARRS_i	33.54	0.3	20.086	0.010	AB
PanSTARRS_z	43.04	0.96	19.815	0.024	AB
SDSS_z	35.05	4.1	20.038	0.127	AB
DES_z	45.61	1.0	19.752	0.024	AB
PanSTARRS_y	36.15	2.29	20.005	0.069	AB

Aperture details

RA, DEC (J2000) = 10h31m00.40s, 50d02m22.20s
semi major axis, semi minor axis (arcsec) = 6.11, 3.37
angle (degrees, anti-clockwise from east) = -114.57

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.29	1.66	22.608	0.549	AB
GALEX_NUV	7.19	0.51	21.758	0.078	AB
SDSS_u	10.36	3.12	21.362	0.327	AB
SDSS_g	44.15	2.16	19.788	0.053	AB
DES_g	43.9	0.52	19.794	0.013	AB
PanSTARRS_g	48.02	0.88	19.696	0.020	AB
SDSS_r	69.2	2.88	19.300	0.045	AB
PanSTARRS_r	73.53	1.23	19.234	0.018	AB
SDSS_i	86.17	4.19	19.062	0.053	AB
PanSTARRS_i	83.8	0.88	19.092	0.011	AB
PanSTARRS_z	93.96	2.85	18.968	0.033	AB
SDSS_z	85.79	11.91	19.066	0.151	AB
DES_z	100.56	1.8	18.894	0.019	AB
PanSTARRS_y	70.78	6.79	19.275	0.104	AB
2MASS_J	128.78	96.65	17.730	0.815	Vega
2MASS_H	38.84	149.02	18.559	4.165	Vega
2MASS_K	109.67	173.11	16.962	1.714	Vega
WISE_W1	46.21	8.14	17.039	0.191	Vega
WISE_W2	27.29	10.33	16.971	0.411	Vega
WISE_W3	42.89	50.31	14.645	1.273	Vega
WISE_W4	-251.28	337.62			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})\,	8.713	8.832	8.934
{\rm log}_{10}({\rm SFR})	-2.860	-1.785	-1.101
{\rm log}_{10}({\rm sSFR})	-11.588	-10.619	-9.923
{\rm stellar\ age}	3.593	6.096	7.337

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.396	-0.743	-0.235
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.718	-1.102	-0.163

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.132	0.396	0.874
\delta	-0.495	-0.055	0.236
\tau_1/\tau_2	0.643	1.031	1.382
Q_{PAH}	1.510	3.515	5.751
U_{min}	3.249	8.591	16.212
{\rm log}_{10}(\gamma_e)\,	-2.871	-1.580	-0.511

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.188	-0.190	0.122
{\rm log}_{10}(\tau_{AGN})\,	1.155	1.691	2.042

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.352	-2.127	-1.426
0.03-0.10 Gyr	-3.042	-1.782	-1.012
0.10-0.33 Gyr	-2.076	-1.274	-0.623
0.33-1.07 Gyr	-1.626	-1.058	-0.645
1.07-3.52 Gyr	-1.596	-1.049	-0.811
3.52-11.55 Gyr	-1.747	-1.124	-0.920
11.55-12.83 Gyr	-2.009	-1.193	-0.701

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.084	9.197	9.294
{\rm log}_{10}({\rm SFR})	-1.618	-1.232	-0.863
{\rm log}_{10}({\rm sSFR})	-10.811	-10.441	-10.062
{\rm stellar\ age}	5.405	6.750	8.190

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.649	-1.227	-0.758
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.781	-1.113	0.144

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.041	0.180	0.471
\delta	-0.429	0.058	0.308
\tau_1/\tau_2	0.615	0.967	1.308
Q_{PAH}	1.610	3.440	5.607
U_{min}	3.216	8.724	15.853
{\rm log}_{10}(\gamma_e)\,	-2.617	-1.487	-0.466

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.921	-0.800	-0.456
{\rm log}_{10}(\tau_{AGN})\,	1.354	1.706	1.985

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.149	-1.537	-1.169
0.03-0.10 Gyr	-1.649	-1.175	-0.752
0.10-0.33 Gyr	-1.310	-0.892	-0.518
0.33-1.07 Gyr	-1.297	-0.823	-0.493
1.07-3.52 Gyr	-1.097	-0.754	-0.533
3.52-11.55 Gyr	-1.033	-0.724	-0.557
11.55-12.83 Gyr	-1.179	-0.645	-0.100