2025ahdi

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Information

Transient

Name: SN2025ahdi
Right ascension: 0h24m41.59s
Declination: 14d17m02.46s
Discovery Date: Dec. 16, 2025, 3:50 a.m.
Classification: SN Ia
Redshift: 0.089000
MW E(B-V): 0.062

Host

Name: SDSSJ002441.74+14170
Right ascension: 0h24m41.76s
Declination: 14d17m04.49s
Redshift: None
Photometric Redshift: 0.087
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.71
Transient MWEBV processed 0.05
Host match processed 4.96
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 1.28
Global aperture photometry failed 0.04
Validate global photometry not processed 42.0
Global host SED inference not processed 412.84
Local aperture photometry failed 0.01
Validate local photometry not processed 0.03
Local host SED inference not processed 407.12
 

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) = 0h24m41.59s, 14d17m02.46s
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 15.46 0.26 20.927 0.018 AB
PanSTARRS_r 25.11 0.48 20.400 0.021 AB
DES_r 31.37 0.54 20.159 0.019 AB
PanSTARRS_i 40.95 0.43 19.869 0.011 AB
PanSTARRS_z 48.24 0.98 19.692 0.022 AB
DES_z 49.89 1.32 19.655 0.029 AB
PanSTARRS_y 53.1 1.71 19.587 0.035 AB

Aperture details

RA, DEC (J2000) = 0h24m41.72s, 14d17m04.50s
semi major axis, semi minor axis (arcsec) = 11.72, 4.02
angle (degrees, anti-clockwise from east) = -138.63

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 11.31 0.71 21.267 0.068 AB
GALEX_NUV 17.78 0.57 20.775 0.035 AB
SDSS_u 37.66 5.95 19.960 0.171 AB
SDSS_g 163.86 3.89 18.364 0.026 AB
DES_g 112.11 0.92 18.776 0.009 AB
SDSS_r 284.71 5.35 17.764 0.020 AB
PanSTARRS_r 146.34 2.6 18.487 0.019 AB
SDSS_i 360.25 7.02 17.508 0.021 AB
PanSTARRS_i 435.53 2.35 17.302 0.006 AB
PanSTARRS_z 425.52 5.37 17.328 0.014 AB
SDSS_z 443.66 14.61 17.282 0.036 AB
DES_z 368.69 4.0 17.483 0.012 AB
PanSTARRS_y 612.84 9.49 16.932 0.017 AB
2MASS_J 542.72 171.51 16.169 0.343 Vega
2MASS_H 416.6 301.76 15.983 0.786 Vega
2MASS_K 1161.92 294.08 14.399 0.275 Vega
WISE_W1 500.71 16.25 14.452 0.035 Vega
WISE_W2 212.29 26.2 14.744 0.134 Vega
WISE_W3 789.19 142.04 11.483 0.195 Vega
WISE_W4 271.87 607.43 11.194 2.426 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})\, 9.006 9.174 9.292
{\rm log}_{10}({\rm SFR}) -1.292 -0.806 -0.219
{\rm log}_{10}({\rm sSFR}) -10.490 -9.984 -9.283
{\rm stellar\ age} 4.119 6.188 7.524

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.393 -0.712 -0.260
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.687 -0.791 0.206

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.369 0.714 1.079
\delta -0.529 -0.232 0.050
\tau_1/\tau_2 0.663 1.009 1.358
Q_{PAH} 0.793 2.589 5.084
U_{min} 2.922 7.444 14.180
{\rm log}_{10}(\gamma_e)\, -2.953 -1.884 -0.684

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.128 -0.907 -0.071
{\rm log}_{10}(\tau_{AGN})\, 1.075 1.437 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.128 -0.787 -0.436
0.03-0.10 Gyr -1.503 -0.840 -0.143
0.10-0.33 Gyr -1.599 -0.906 -0.367
0.33-1.07 Gyr -1.531 -0.824 -0.425
1.07-3.48 Gyr -1.256 -0.753 -0.513
3.48-11.35 Gyr -1.256 -0.761 -0.539
11.35-12.62 Gyr -1.436 -0.781 -0.299

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.097 10.174 10.258
{\rm log}_{10}({\rm SFR}) 0.414 0.637 0.873
{\rm log}_{10}({\rm sSFR}) -9.799 -9.556 -9.263
{\rm stellar\ age} 5.808 6.770 7.795

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.656 -0.380 -0.159
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.051 0.157 0.249

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.770 0.950 1.143
\delta 0.056 0.136 0.207
\tau_1/\tau_2 0.437 0.646 0.870
Q_{PAH} 0.204 0.560 1.055
U_{min} 2.404 6.664 12.686
{\rm log}_{10}(\gamma_e)\, -3.689 -3.112 -2.311

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.668 -4.116 -3.363
{\rm log}_{10}(\tau_{AGN})\, 1.126 1.639 1.972

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.467 0.596 0.744
0.03-0.10 Gyr 0.361 0.659 0.941
0.10-0.33 Gyr -0.085 0.295 0.568
0.33-1.07 Gyr -0.346 0.025 0.270
1.07-3.48 Gyr -0.184 0.139 0.363
3.48-11.35 Gyr 0.084 0.280 0.424
11.35-12.62 Gyr -0.093 0.374 0.793