2025thd

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Information

Transient

Name: SN2025thd
Right ascension: 4h38m12.17s
Declination: 21d09m32.35s
Discovery Date: Aug. 5, 2025, 2:30 p.m.
Classification: SN Ia
Redshift: 0.061000
MW E(B-V): 0.343

Host

Name:
Right ascension: 4h38m12.40s
Declination: 21d09m34.78s
Redshift: None
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 25.03
Transient MWEBV processed 0.05
Host match processed 4.8
Host information processed 0.17
Host MWEBV processed 0.05
Global aperture construction processed 2.72
Global aperture photometry processed 3.96
Validate global photometry processed 11.01
Global host SED inference processed 582.23
Local aperture photometry processed 4.61
Validate local photometry processed 0.02
Local host SED inference processed 495.19
 

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) = 4h38m12.17s, 21d09m32.35s
semi major axis, semi minor axis (arcsec) = 1.7, 1.7
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 -0.04 0.39 AB
PanSTARRS_r 3.07 0.47 22.680 0.167 AB
PanSTARRS_i 4.91 0.56 22.173 0.125 AB
PanSTARRS_z 3.41 1.47 22.567 0.468 AB
PanSTARRS_y 5.26 2.81 22.097 0.579 AB

Aperture details

RA, DEC (J2000) = 4h38m12.38s, 21d09m34.90s
semi major axis, semi minor axis (arcsec) = 5.38, 2.65
angle (degrees, anti-clockwise from east) = -154.34

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.44 1.75 23.503 1.317 AB
GALEX_NUV -0.46 1.37 AB
PanSTARRS_g 12.89 0.88 21.124 0.074 AB
PanSTARRS_r 26.21 1.04 20.354 0.043 AB
PanSTARRS_i 38.95 1.23 19.924 0.034 AB
PanSTARRS_z 49.58 3.19 19.662 0.070 AB
PanSTARRS_y 43.45 6.05 19.805 0.151 AB
2MASS_J -92.1 111.87 Vega
2MASS_H -223.54 184.22 Vega
2MASS_K 171.59 181.0 16.476 1.145 Vega
WISE_W1 28.75 14.59 17.555 0.551 Vega
WISE_W2 15.67 15.86 17.573 1.099 Vega
WISE_W3 -1.14 73.05 Vega
WISE_W4 -30.56 503.7 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})\, 7.790 8.229 8.471
{\rm log}_{10}({\rm SFR}) -1.664 -1.067 -0.603
{\rm log}_{10}({\rm sSFR}) -10.010 -9.279 -8.401
{\rm stellar\ age} 1.305 5.543 7.405

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.470 -0.627 -0.064
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.496 -0.512 0.216

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.891 1.420 1.923
\delta -0.189 0.104 0.301
\tau_1/\tau_2 0.639 1.021 1.408
Q_{PAH} 0.775 2.464 5.011
U_{min} 2.941 8.263 15.910
{\rm log}_{10}(\gamma_e)\, -2.925 -1.765 -0.721

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.590 -0.897 -0.030
{\rm log}_{10}(\tau_{AGN})\, 1.097 1.555 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.668 -1.050 -0.589
0.03-0.10 Gyr -2.033 -1.218 -0.573
0.10-0.33 Gyr -2.608 -1.635 -1.048
0.33-1.08 Gyr -3.415 -1.840 -1.323
1.08-3.55 Gyr -3.505 -1.859 -1.456
3.55-11.65 Gyr -3.823 -1.908 -1.456
11.65-12.94 Gyr -3.713 -1.963 -1.226

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.771 8.999 9.135
{\rm log}_{10}({\rm SFR}) -1.878 -1.086 -0.347
{\rm log}_{10}({\rm sSFR}) -10.768 -10.075 -9.317
{\rm stellar\ age} 3.023 6.365 8.102

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.749 -1.311 -0.628
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.766 -1.264 0.059

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.465 0.837
\delta -0.534 -0.001 0.297
\tau_1/\tau_2 0.592 0.999 1.441
Q_{PAH} 1.718 3.693 5.731
U_{min} 3.322 8.644 15.780
{\rm log}_{10}(\gamma_e)\, -2.985 -1.714 -0.560

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.928 -0.904 -0.215
{\rm log}_{10}(\tau_{AGN})\, 1.031 1.466 1.877

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.346 -1.365 -0.870
0.03-0.10 Gyr -2.039 -1.036 -0.209
0.10-0.33 Gyr -1.868 -1.052 -0.395
0.33-1.08 Gyr -1.899 -1.071 -0.584
1.08-3.55 Gyr -1.921 -1.020 -0.695
3.55-11.65 Gyr -2.090 -1.005 -0.733
11.65-12.94 Gyr -2.282 -0.957 -0.333