2025ahdf results

Information

Transient
Name:SN2025ahdf
Right ascension: 9h49m31.33s
Declination:-15d33m12.82s
Discovery Date:Dec. 16, 2025, 11:02 a.m.
Classification:SN Ia
Redshift:0.060000
MW E(B-V):0.043
Host
Name:
Right ascension: 9h49m30.94s
Declination:-15d33m14.02s
Redshift:None
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
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
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.89
Transient MWEBV processed 0.1
Host match processed 5.96
Host information processed 0.12
Host MWEBV processed 0.15
Global aperture construction processed 0.7
Global aperture photometry processed 4.73
Validate global photometry processed 14.08
Global host SED inference processed 383.37
Local aperture photometry processed 4.63
Validate local photometry processed 0.02
Local host SED inference processed 419.35
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h49m31.33s, -15d33m12.82s
semi major axis, semi minor axis (arcsec):1.73, 1.73
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 20.46 0.53 20.623 0.028 AB
PanSTARRS_r 32.78 0.53 20.111 0.017 AB
DES_r 42.52 0.82 19.828 0.021 AB
PanSTARRS_i 47.87 0.63 19.700 0.014 AB
PanSTARRS_z 54.35 1.18 19.562 0.024 AB
DES_z 66.6 3.27 19.341 0.053 AB
PanSTARRS_y 64.86 3.1 19.370 0.052 AB

Aperture details

RA, DEC (J2000):9h49m30.94s, -15d33m13.79s
semi major axis, semi minor axis (arcsec):12.99, 4.37
angle (degrees, anti-clockwise from east):-106.28
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.78 3.41 20.555 0.170 AB
GALEX_NUV 24.79 2.44 20.414 0.107 AB
PanSTARRS_g 272.99 2.29 17.810 0.009 AB
PanSTARRS_r 446.68 2.27 17.275 0.006 AB
DES_r 484.93 2.9 17.186 0.006 AB
PanSTARRS_i 667.13 2.74 16.839 0.004 AB
PanSTARRS_z 784.3 5.1 16.664 0.007 AB
DES_z 824.01 12.27 16.610 0.016 AB
PanSTARRS_y 996.71 13.35 16.404 0.015 AB
2MASS_J 992.3 236.68 15.513 0.259 Vega
2MASS_H 1353.27 309.01 14.704 0.248 Vega
2MASS_K 1165.73 412.11 14.396 0.384 Vega
WISE_W1 587.92 17.16 14.278 0.032 Vega
WISE_W2 351.49 20.14 14.196 0.062 Vega
WISE_W3 961.41 92.21 11.269 0.104 Vega
WISE_W4 173.06 447.99 11.685 2.811 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.735 8.887 9.008
{\rm log}_{10}({\rm SFR}) -1.705 -1.156 -0.611
{\rm log}_{10}({\rm sSFR}) -10.640 -10.055 -9.399
{\rm stellar\ age} 4.240 6.495 7.901

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.239 -0.576 -0.142
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.655 -0.330 0.269

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.249 0.557 1.013
\delta -0.728 -0.369 -0.046
\tau_1/\tau_2 0.628 0.978 1.327
Q_{PAH} 0.847 2.462 4.769
U_{min} 2.958 7.983 14.615
{\rm log}_{10}(\gamma_e)\, -2.875 -1.723 -0.637

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.317 -0.962 -0.114
{\rm log}_{10}(\tau_{AGN})\, 1.095 1.465 1.917

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.507 -1.077 -0.736
0.03-0.10 Gyr -2.022 -1.225 -0.556
0.10-0.33 Gyr -2.026 -1.274 -0.711
0.33-1.08 Gyr -1.809 -1.171 -0.705
1.08-3.55 Gyr -1.537 -1.060 -0.826
3.55-11.66 Gyr -1.547 -1.061 -0.849
11.66-12.96 Gyr -1.725 -1.045 -0.536

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.106 10.153 10.214
{\rm log}_{10}({\rm SFR}) -0.527 -0.318 -0.071
{\rm log}_{10}({\rm sSFR}) -10.693 -10.475 -10.231
{\rm stellar\ age} 7.402 8.140 10.145

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.505 -0.338 -0.195
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.297 -0.078 0.095

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.134 0.221 0.341
\delta -0.433 -0.115 0.132
\tau_1/\tau_2 0.698 1.033 1.366
Q_{PAH} 0.796 1.698 3.231
U_{min} 2.588 7.492 14.113
{\rm log}_{10}(\gamma_e)\, -2.752 -1.878 -1.320

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.459 -3.529 -2.560
{\rm log}_{10}(\tau_{AGN})\, 1.125 1.635 1.969

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.565 -0.411 -0.270
0.03-0.10 Gyr -0.589 -0.281 0.032
0.10-0.33 Gyr -0.779 -0.388 -0.095
0.33-1.08 Gyr -1.015 -0.527 -0.223
1.08-3.55 Gyr -0.973 -0.392 -0.017
3.55-11.66 Gyr 0.051 0.305 0.398
11.66-12.96 Gyr 0.101 0.566 1.113