2025tsk

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Information

Transient

Name: SN2025tsk
Right ascension: 23h11m11.79s
Declination: -17d50m00.42s
Discovery Date: Aug. 13, 2025, 8:48 a.m.
Classification: SN Ia
Redshift: 0.080000
MW E(B-V): 0.031

Host

Name: 876754
Right ascension: 23h11m11.97s
Declination: -17d49m56.43s
Redshift: 0.075479
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	7.94
Transient MWEBV	processed	0.04
Host match	processed	4.33
Host information	processed	0.15
Host MWEBV	processed	0.06
Global aperture construction	processed	0.67
Global aperture photometry	processed	3.81
Validate global photometry	processed	10.94
Global host SED inference	processed	378.77
Local aperture photometry	processed	4.16
Validate local photometry	processed	0.02
Local host SED inference	processed	404.78

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) = 23h11m11.79s, -17d50m00.42s
semi major axis, semi minor axis (arcsec) = 1.4, 1.4
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	36.79	0.39	19.986	0.011	AB
PanSTARRS_r	59.92	0.55	19.456	0.010	AB
PanSTARRS_i	88.78	0.53	19.029	0.006	AB
PanSTARRS_z	103.79	1.15	18.860	0.012	AB
PanSTARRS_y	123.95	2.47	18.667	0.022	AB

Aperture details

RA, DEC (J2000) = 23h11m11.95s, -17d49m56.34s
semi major axis, semi minor axis (arcsec) = 17.23, 7.56
angle (degrees, anti-clockwise from east) = -147.45

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	60.56	7.63	19.445	0.137	AB
GALEX_NUV	95.89	3.98	18.946	0.045	AB
PanSTARRS_g	896.53	3.01	16.519	0.004	AB
PanSTARRS_r	1467.68	4.27	15.983	0.003	AB
PanSTARRS_i	2166.21	4.21	15.561	0.002	AB
PanSTARRS_z	2536.63	9.17	15.389	0.004	AB
PanSTARRS_y	3268.1	19.95	15.114	0.007	AB
2MASS_J	4644.58	253.07	13.838	0.059	Vega
2MASS_H	5450.06	408.64	13.191	0.081	Vega
2MASS_K	5249.7	478.93	12.762	0.099	Vega
WISE_W1	2467.65	33.72	12.720	0.015	Vega
WISE_W2	1615.84	40.14	12.540	0.027	Vega
WISE_W3	5846.28	158.6	9.309	0.029	Vega
WISE_W4	4553.93	915.41	8.134	0.218	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})\,	9.256	9.403	9.531
{\rm log}_{10}({\rm SFR})	-1.157	-0.523	-0.025
{\rm log}_{10}({\rm sSFR})	-10.558	-9.945	-9.367
{\rm stellar\ age}	3.762	6.183	7.576

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.310	-0.601	-0.080
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.587	-0.767	0.046

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.368	0.828	1.280
\delta	-0.528	-0.128	0.149
\tau_1/\tau_2	0.711	1.017	1.345
Q_{PAH}	0.802	2.544	4.945
U_{min}	2.706	7.515	14.230
{\rm log}_{10}(\gamma_e)\,	-3.432	-2.603	-1.378

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.454	-1.279	-0.272
{\rm log}_{10}(\tau_{AGN})\,	0.883	1.262	1.704

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.112	-0.710	-0.361
0.03-0.10 Gyr	-1.321	-0.508	0.081
0.10-0.33 Gyr	-1.275	-0.465	0.082
0.33-1.07 Gyr	-1.160	-0.508	-0.090
1.07-3.51 Gyr	-1.042	-0.556	-0.300
3.51-11.48 Gyr	-1.071	-0.550	-0.353
11.48-12.76 Gyr	-1.293	-0.571	-0.070

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.824	10.868	10.908
{\rm log}_{10}({\rm SFR})	0.499	0.678	0.882
{\rm log}_{10}({\rm sSFR})	-10.371	-10.178	-9.971
{\rm stellar\ age}	6.858	7.589	8.956

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.090	0.016	0.099
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.127	0.058	0.267

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.169	0.247	0.348
\delta	-0.655	-0.371	-0.112
\tau_1/\tau_2	0.903	1.237	1.580
Q_{PAH}	1.269	2.443	3.990
U_{min}	2.421	6.953	13.543
{\rm log}_{10}(\gamma_e)\,	-2.436	-1.557	-0.874

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.430	-3.459	-2.382
{\rm log}_{10}(\tau_{AGN})\,	1.084	1.602	1.944

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.401	0.540	0.672
0.03-0.10 Gyr	0.480	0.731	0.984
0.10-0.33 Gyr	0.420	0.683	0.914
0.33-1.07 Gyr	0.145	0.477	0.695
1.07-3.51 Gyr	0.238	0.620	0.866
3.51-11.48 Gyr	0.837	1.017	1.108
11.48-12.76 Gyr	0.743	1.189	1.674