2025tgu

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Information

Transient

Name: SN2025tgu
Right ascension: 23h20m44.95s
Declination: 18d50m12.55s
Discovery Date: Aug. 5, 2025, 11:23 a.m.
Classification: SN II
Redshift: 0.038000
MW E(B-V): 0.032

Host

Name:
Right ascension: 23h20m44.96s
Declination: 18d50m12.58s
Redshift: None
Photometric Redshift: 0.060
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 25.44
Transient MWEBV processed 0.06
Host match processed 6.72
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.7
Global aperture photometry processed 6.3
Validate global photometry processed 17.68
Global host SED inference processed 780.0
Local aperture photometry processed 7.53
Validate local photometry processed 0.03
Local host SED inference processed 449.23
 

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) = 23h20m44.95s, 18d50m12.55s
semi major axis, semi minor axis (arcsec) = 2.66, 2.66
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 38.35 3.45 19.940 0.098 AB
SDSS_g 73.11 2.34 19.240 0.035 AB
DES_g 72.24 0.44 19.253 0.007 AB
PanSTARRS_g 65.73 0.62 19.356 0.010 AB
SDSS_r 81.14 2.78 19.127 0.037 AB
PanSTARRS_r 85.61 0.74 19.069 0.009 AB
DES_r 94.05 0.76 18.967 0.009 AB
SDSS_i 97.43 3.76 18.928 0.042 AB
PanSTARRS_i 94.71 1.0 18.959 0.012 AB
PanSTARRS_z 101.94 1.85 18.879 0.020 AB
SDSS_z 107.16 9.92 18.825 0.101 AB
DES_z 98.1 2.3 18.921 0.025 AB
PanSTARRS_y 111.24 4.04 18.784 0.039 AB

Aperture details

RA, DEC (J2000) = 23h20m44.94s, 18d50m12.76s
semi major axis, semi minor axis (arcsec) = 6.45, 3.2
angle (degrees, anti-clockwise from east) = -91.13

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 22.6 3.5 20.515 0.168 AB
GALEX_NUV 24.76 2.23 20.415 0.098 AB
SDSS_u 66.36 5.78 19.345 0.094 AB
SDSS_g 103.27 2.96 18.865 0.031 AB
DES_g 98.23 0.56 18.919 0.006 AB
PanSTARRS_g 92.24 1.05 18.988 0.012 AB
SDSS_r 113.3 3.81 18.764 0.036 AB
PanSTARRS_r 118.39 1.24 18.717 0.011 AB
DES_r 125.04 0.94 18.657 0.008 AB
SDSS_i 129.05 5.6 18.623 0.047 AB
PanSTARRS_i 133.26 1.68 18.588 0.014 AB
PanSTARRS_z 143.85 3.1 18.505 0.023 AB
SDSS_z 118.86 16.68 18.712 0.152 AB
DES_z 135.05 2.8 18.574 0.023 AB
PanSTARRS_y 154.8 6.76 18.426 0.047 AB
2MASS_J 436.1 110.27 16.406 0.275 Vega
2MASS_H 94.9 170.78 17.589 1.954 Vega
2MASS_K 480.94 219.17 15.357 0.495 Vega
WISE_W1 33.28 10.25 17.395 0.334 Vega
WISE_W2 9.92 13.32 18.069 1.458 Vega
WISE_W3 27.01 60.43 15.147 2.429 Vega
WISE_W4 -202.29 351.5 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})\, 8.184 8.465 8.648
{\rm log}_{10}({\rm SFR}) -1.102 -0.659 -0.158
{\rm log}_{10}({\rm sSFR}) -9.631 -9.144 -8.382
{\rm stellar\ age} 1.405 4.927 6.964

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.761 -1.222 -0.606
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.866 -1.588 0.053

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.156 0.390 0.759
\delta -0.538 -0.182 0.140
\tau_1/\tau_2 0.717 1.086 1.465
Q_{PAH} 0.583 2.101 5.005
U_{min} 3.323 8.678 15.991
{\rm log}_{10}(\gamma_e)\, -3.467 -2.649 -1.229

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.728 -1.618 -0.578
{\rm log}_{10}(\tau_{AGN})\, 1.076 1.457 1.896

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.448 -1.170 -0.862
0.03-0.10 Gyr -1.055 -0.537 -0.016
0.10-0.33 Gyr -1.855 -0.931 -0.498
0.33-1.09 Gyr -2.815 -1.378 -0.983
1.09-3.61 Gyr -2.893 -1.576 -1.206
3.61-11.92 Gyr -3.318 -1.713 -1.322
11.92-13.25 Gyr -3.502 -1.776 -1.092

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.448 8.681 8.823
{\rm log}_{10}({\rm SFR}) -0.440 -0.129 0.226
{\rm log}_{10}({\rm sSFR}) -9.156 -8.800 -8.260
{\rm stellar\ age} 2.724 6.369 9.097

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.727 -1.429 -1.042
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.228 0.302 0.443

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.180 0.311 0.545
\delta -0.821 -0.515 -0.258
\tau_1/\tau_2 0.421 0.949 1.495
Q_{PAH} 0.269 0.901 2.396
U_{min} 2.912 8.904 16.786
{\rm log}_{10}(\gamma_e)\, -3.055 -2.140 -1.224

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.464 -2.092 -1.333
{\rm log}_{10}(\tau_{AGN})\, 1.298 1.633 1.915

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.787 -1.690 -1.190
0.03-0.10 Gyr -0.286 0.029 0.387
0.10-0.33 Gyr -3.884 -2.036 -0.781
0.33-1.09 Gyr -5.357 -2.301 -1.289
1.09-3.61 Gyr -4.712 -1.784 -1.183
3.61-11.92 Gyr -3.268 -1.434 -1.112
11.92-13.25 Gyr -3.499 -1.359 -0.391