2025ahlf

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Information

Transient

Name: SN2025ahlf
Right ascension: 11h46m03.65s
Declination: 5d44m17.77s
Discovery Date: Dec. 15, 2025, 1:54 p.m.
Classification: SN Ia
Redshift: 0.079000
MW E(B-V): 0.017

Host

Name:
Right ascension: 11h46m03.66s
Declination: 5d44m17.52s
Redshift: None
Photometric Redshift: 0.082
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.49
Transient MWEBV processed 0.1
Host match processed 6.8
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.19
Validate global photometry processed 17.76
Global host SED inference processed 419.98
Local aperture photometry processed 6.08
Validate local photometry processed 0.02
Local host SED inference processed 431.34
 

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) = 11h46m03.65s, 5d44m17.77s
semi major axis, semi minor axis (arcsec) = 1.34, 1.34
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 36.16 0.41 20.004 0.012 AB
PanSTARRS_g 34.18 0.26 20.066 0.008 AB
SDSS_r 53.42 1.98 19.581 0.040 AB
PanSTARRS_r 46.07 0.37 19.741 0.009 AB
DES_r 58.2 0.72 19.488 0.013 AB
SDSS_i 69.01 2.32 19.303 0.037 AB
PanSTARRS_i 63.16 0.31 19.399 0.005 AB
PanSTARRS_z 65.08 0.79 19.366 0.013 AB
SDSS_z 69.12 3.57 19.301 0.056 AB
DES_z 65.99 2.02 19.351 0.033 AB
PanSTARRS_y 72.49 1.61 19.249 0.024 AB

Aperture details

RA, DEC (J2000) = 11h46m03.66s, 5d44m17.59s
semi major axis, semi minor axis (arcsec) = 6.31, 3.59
angle (degrees, anti-clockwise from east) = -61.2

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 30.7 3.52 20.182 0.125 AB
SDSS_g 93.56 2.89 18.972 0.033 AB
DES_g 99.16 0.75 18.909 0.008 AB
PanSTARRS_g 97.19 0.83 18.931 0.009 AB
SDSS_r 136.5 3.68 18.562 0.029 AB
PanSTARRS_r 130.14 1.19 18.614 0.010 AB
DES_r 142.48 1.31 18.516 0.010 AB
SDSS_i 171.4 4.62 18.315 0.029 AB
PanSTARRS_i 168.42 1.04 18.334 0.007 AB
PanSTARRS_z 173.63 2.72 18.301 0.017 AB
SDSS_z 163.05 10.76 18.369 0.072 AB
DES_z 172.49 3.48 18.308 0.022 AB
PanSTARRS_y 188.62 5.6 18.211 0.032 AB
2MASS_J 275.17 174.74 16.906 0.689 Vega
2MASS_H -463.54 269.65 Vega
2MASS_K -63.97 297.88 Vega
WISE_W1 78.37 9.59 16.466 0.133 Vega
WISE_W2 78.92 14.49 15.818 0.199 Vega
WISE_W3 18.99 63.31 15.530 3.619 Vega
WISE_W4 1377.94 498.13 9.432 0.392 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})\, 8.766 8.974 9.138
{\rm log}_{10}({\rm SFR}) -1.242 -0.726 -0.057
{\rm log}_{10}({\rm sSFR}) -10.265 -9.682 -8.791
{\rm stellar\ age} 2.062 4.754 6.516

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.565 -0.951 -0.297
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.618 0.014 0.330

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.159 0.389 0.775
\delta -0.715 -0.321 0.087
\tau_1/\tau_2 0.734 1.075 1.413
Q_{PAH} 1.103 3.051 5.493
U_{min} 3.070 8.126 14.731
{\rm log}_{10}(\gamma_e)\, -3.054 -1.917 -0.772

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.055 -0.953 -0.239
{\rm log}_{10}(\tau_{AGN})\, 0.908 1.444 1.956

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.145 -0.806 -0.490
0.03-0.10 Gyr -1.410 -0.704 0.057
0.10-0.33 Gyr -1.395 -0.637 -0.128
0.33-1.07 Gyr -1.299 -0.637 -0.320
1.07-3.50 Gyr -1.675 -0.883 -0.612
3.50-11.44 Gyr -2.051 -1.135 -0.771
11.44-12.71 Gyr -2.227 -1.184 -0.634

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.213 9.360 9.515
{\rm log}_{10}({\rm SFR}) -1.022 -0.604 -0.230
{\rm log}_{10}({\rm sSFR}) -10.455 -9.980 -9.549
{\rm stellar\ age} 2.220 4.725 6.572

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.604 -1.121 -0.601
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.476 0.041 0.361

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.114 0.238 0.398
\delta -0.785 -0.451 0.019
\tau_1/\tau_2 0.784 1.112 1.469
Q_{PAH} 1.036 2.462 4.393
U_{min} 2.563 7.784 15.016
{\rm log}_{10}(\gamma_e)\, -2.770 -1.741 -0.848

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.372 -1.844 -1.120
{\rm log}_{10}(\tau_{AGN})\, 1.114 1.562 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.963 -0.698 -0.491
0.03-0.10 Gyr -1.265 -0.575 -0.123
0.10-0.33 Gyr -0.782 -0.170 0.185
0.33-1.07 Gyr -0.504 -0.148 0.165
1.07-3.50 Gyr -0.924 -0.448 -0.165
3.50-11.44 Gyr -1.696 -0.746 -0.383
11.44-12.71 Gyr -1.902 -0.802 -0.230