2025afhd

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Information

Transient

Name: SN2025afhd
Right ascension: 0h53m24.10s
Declination: 22d26m04.31s
Discovery Date: Nov. 28, 2025, 3:34 a.m.
Classification: SN Ia
Redshift: 0.071700
MW E(B-V): 0.026

Host

Name:
Right ascension: 0h53m23.95s
Declination: 22d25m58.99s
Redshift: None
Photometric Redshift: 0.035
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.7
Transient MWEBV processed 0.07
Host match processed 5.66
Host information processed 0.12
Host MWEBV processed 0.11
Global aperture construction processed 0.65
Global aperture photometry failed 0.02
Validate global photometry not processed 18.2
Global host SED inference not processed 543.83
Local aperture photometry failed 0.01
Validate local photometry not processed 0.03
Local host SED inference not processed 409.75
 

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) = 0h53m24.08s, 22d26m04.15s
semi major axis, semi minor axis (arcsec) = 2.85, 2.85
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 4.14 3.4 22.358 0.891 AB
SDSS_g 15.06 1.39 20.955 0.100 AB
DES_g 16.31 0.31 20.869 0.021 AB
PanSTARRS_g 13.91 0.72 21.041 0.056 AB
SDSS_r 20.97 1.93 20.596 0.100 AB
PanSTARRS_r 21.84 0.77 20.552 0.038 AB
DES_r 23.53 0.51 20.471 0.024 AB
SDSS_i 29.57 2.47 20.223 0.091 AB
PanSTARRS_i 25.68 1.1 20.376 0.047 AB
PanSTARRS_z 24.77 2.13 20.415 0.094 AB
SDSS_z 35.78 10.64 20.016 0.323 AB
DES_z 28.92 1.32 20.247 0.050 AB
PanSTARRS_y 39.53 4.75 19.908 0.131 AB
2MASS_H 27.23 81.17 18.945 3.237 Vega

Aperture details

RA, DEC (J2000) = 0h53m23.94s, 22d25m59.17s
semi major axis, semi minor axis (arcsec) = 5.75, 5.02
angle (degrees, anti-clockwise from east) = -6.31

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 22.67 2.54 20.512 0.122 AB
GALEX_NUV 30.51 1.68 20.189 0.060 AB
SDSS_u 28.58 6.51 20.260 0.247 AB
SDSS_g 108.32 3.24 18.813 0.033 AB
DES_g 117.61 0.73 18.724 0.007 AB
SDSS_r 156.76 4.31 18.412 0.030 AB
PanSTARRS_r 156.6 1.46 18.413 0.010 AB
DES_r 166.79 1.24 18.345 0.008 AB
SDSS_i 204.6 5.31 18.123 0.028 AB
PanSTARRS_i 201.27 2.07 18.141 0.011 AB
PanSTARRS_z 207.49 3.98 18.108 0.021 AB
SDSS_z 191.72 20.12 18.193 0.114 AB
DES_z 212.62 3.17 18.081 0.016 AB
PanSTARRS_y 236.63 8.83 17.965 0.041 AB
2MASS_J 373.91 117.48 16.573 0.341 Vega
2MASS_H 263.15 168.77 16.482 0.696 Vega
2MASS_K 267.82 243.26 15.993 0.986 Vega
WISE_W1 84.91 10.47 16.379 0.134 Vega
WISE_W2 59.84 12.42 16.118 0.225 Vega
WISE_W3 122.05 57.47 13.510 0.511 Vega
WISE_W4 760.13 374.13 10.078 0.534 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.747 8.013 8.207
{\rm log}_{10}({\rm SFR}) -1.970 -1.503 -0.879
{\rm log}_{10}({\rm sSFR}) -10.091 -9.506 -8.620
{\rm stellar\ age} 2.056 5.596 7.458

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.807 -1.442 -0.721
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.958 -0.058 0.243

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.392 0.708 1.060
\delta -0.428 -0.028 0.222
\tau_1/\tau_2 0.731 1.079 1.438
Q_{PAH} 0.682 2.123 4.792
U_{min} 2.941 7.879 14.438
{\rm log}_{10}(\gamma_e)\, -2.949 -1.917 -0.774

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.994 -0.928 -0.237
{\rm log}_{10}(\tau_{AGN})\, 1.029 1.399 1.728

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.913 -1.591 -1.216
0.03-0.10 Gyr -2.110 -1.503 -0.774
0.10-0.33 Gyr -2.561 -1.730 -1.258
0.33-1.09 Gyr -2.840 -1.874 -1.426
1.09-3.62 Gyr -2.895 -1.940 -1.611
3.62-11.95 Gyr -3.340 -2.060 -1.694
11.95-13.28 Gyr -3.384 -2.113 -1.497

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.931 9.036 9.135
{\rm log}_{10}({\rm SFR}) -0.889 -0.652 -0.441
{\rm log}_{10}({\rm sSFR}) -9.909 -9.666 -9.436
{\rm stellar\ age} 6.617 7.760 10.798

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.790 -1.486 -1.074
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.591 -0.120 0.311

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.223 0.392 0.568
\delta 0.114 0.285 0.368
\tau_1/\tau_2 0.519 0.901 1.328
Q_{PAH} 0.499 1.567 3.831
U_{min} 3.060 8.817 16.613
{\rm log}_{10}(\gamma_e)\, -2.520 -1.510 -0.630

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.141 -2.902 -1.801
{\rm log}_{10}(\tau_{AGN})\, 1.071 1.558 1.916

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.341 -1.587 -1.242
0.03-0.10 Gyr -0.766 -0.507 -0.285
0.10-0.33 Gyr -1.626 -0.932 -0.605
0.33-1.09 Gyr -1.901 -1.252 -0.921
1.09-3.62 Gyr -2.363 -1.304 -0.939
3.62-11.95 Gyr -1.509 -0.928 -0.748
11.95-13.28 Gyr -1.275 -0.606 0.110