2025zwk

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Information

Transient

Name: SN2025zwk
Right ascension: 8h55m37.59s
Declination: 39d22m22.95s
Discovery Date: Oct. 11, 2025, 11:08 a.m.
Classification: SN Ia
Redshift: 0.087050
MW E(B-V): 0.018

Host

Name:
Right ascension: 8h55m37.72s
Declination: 39d22m17.21s
Redshift: None
Photometric Redshift: 0.073
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.37
Transient MWEBV processed 0.08
Host match processed 6.71
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.72
Global aperture photometry processed 6.1
Validate global photometry processed 16.93
Global host SED inference processed 389.64
Local aperture photometry processed 6.04
Validate local photometry processed 0.02
Local host SED inference processed 436.0
 

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) = 8h55m37.59s, 39d22m22.95s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
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 4.95 0.39 22.164 0.086 AB
PanSTARRS_r 8.03 0.45 21.638 0.061 AB
PanSTARRS_i 10.69 0.35 21.328 0.035 AB
PanSTARRS_z 11.36 0.85 21.261 0.081 AB
DES_z 9.83 0.5 21.419 0.056 AB
PanSTARRS_y 12.57 2.52 21.151 0.218 AB

Aperture details

RA, DEC (J2000) = 8h55m37.70s, 39d22m17.74s
semi major axis, semi minor axis (arcsec) = 8.73, 6.42
angle (degrees, anti-clockwise from east) = -16.89

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 22.81 4.84 20.505 0.230 AB
GALEX_NUV 39.23 4.04 19.916 0.112 AB
SDSS_u 55.83 6.29 19.533 0.122 AB
SDSS_g 217.33 4.38 18.057 0.022 AB
DES_g 218.85 2.56 18.050 0.013 AB
PanSTARRS_g 234.54 1.98 17.974 0.009 AB
SDSS_r 308.92 5.62 17.675 0.020 AB
PanSTARRS_r 303.87 2.75 17.693 0.010 AB
SDSS_i 415.27 7.35 17.354 0.019 AB
PanSTARRS_i 416.23 2.08 17.352 0.005 AB
PanSTARRS_z 421.84 5.11 17.337 0.013 AB
SDSS_z 407.97 23.24 17.373 0.062 AB
DES_z 436.88 3.3 17.299 0.008 AB
PanSTARRS_y 452.08 15.19 17.262 0.036 AB
2MASS_J 435.57 156.72 16.407 0.391 Vega
2MASS_H 510.52 262.09 15.762 0.557 Vega
2MASS_K 389.5 261.7 15.586 0.729 Vega
WISE_W1 257.71 17.28 15.173 0.073 Vega
WISE_W2 189.38 22.53 14.868 0.129 Vega
WISE_W3 558.82 98.15 11.858 0.191 Vega
WISE_W4 1126.3 620.8 9.651 0.598 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})\, 8.279 8.460 8.604
{\rm log}_{10}({\rm SFR}) -1.800 -1.342 -0.827
{\rm log}_{10}({\rm sSFR}) -10.243 -9.799 -9.209
{\rm stellar\ age} 3.958 6.391 7.872

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.630 -1.145 -0.596
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.543 -0.793 0.110

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.273 0.588 1.024
\delta -0.278 0.119 0.304
\tau_1/\tau_2 0.730 1.061 1.407
Q_{PAH} 1.001 2.734 5.035
U_{min} 2.727 7.428 14.149
{\rm log}_{10}(\gamma_e)\, -2.802 -1.830 -0.875

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.992 -0.184 0.275
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.493 1.851

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.809 -1.406 -0.924
0.03-0.10 Gyr -1.940 -1.354 -0.781
0.10-0.33 Gyr -2.185 -1.518 -1.001
0.33-1.07 Gyr -2.376 -1.635 -1.133
1.07-3.48 Gyr -2.177 -1.530 -1.262
3.48-11.35 Gyr -2.017 -1.476 -1.241
11.35-12.61 Gyr -2.198 -1.459 -0.908

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.854 9.933 10.030
{\rm log}_{10}({\rm SFR}) -0.370 -0.182 0.006
{\rm log}_{10}({\rm sSFR}) -10.341 -10.126 -9.904
{\rm stellar\ age} 4.366 5.617 6.658

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.399 -1.030 -0.749
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.825 -1.472 0.048

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.139 0.237 0.390
\delta -0.418 -0.038 0.202
\tau_1/\tau_2 0.787 1.126 1.460
Q_{PAH} 0.883 1.879 3.477
U_{min} 2.691 7.600 14.092
{\rm log}_{10}(\gamma_e)\, -2.927 -1.862 -1.180

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.980 -2.563 -1.731
{\rm log}_{10}(\tau_{AGN})\, 0.983 1.376 1.840

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.217 -0.091 0.032
0.03-0.10 Gyr -0.523 -0.226 0.035
0.10-0.33 Gyr -0.257 0.057 0.299
0.33-1.07 Gyr 0.054 0.281 0.467
1.07-3.48 Gyr -0.032 0.176 0.359
3.48-11.35 Gyr -0.299 -0.027 0.157
11.35-12.61 Gyr -0.635 -0.080 0.343