2025ahkn

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Information

Transient

Name: SN2025ahkn
Right ascension: 7h09m33.86s
Declination: 15d10m15.76s
Discovery Date: Dec. 17, 2025, 7:52 a.m.
Classification: SN Ia
Redshift: 0.065500
MW E(B-V): 0.085

Host

Name:
Right ascension: 7h09m33.86s
Declination: 15d10m16.53s
Redshift: None
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.02
Transient MWEBV processed 0.03
Host match processed 4.87
Host information processed 0.16
Host MWEBV processed 0.03
Global aperture construction processed 0.64
Global aperture photometry processed 3.84
Validate global photometry processed 11.97
Global host SED inference processed 571.65
Local aperture photometry processed 3.73
Validate local photometry processed 0.02
Local host SED inference processed 413.32
 

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) = 7h09m33.86s, 15d10m15.76s
semi major axis, semi minor axis (arcsec) = 1.59, 1.59
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 11.04 0.4 21.293 0.040 AB
PanSTARRS_r 15.24 0.34 20.943 0.024 AB
PanSTARRS_i 24.65 0.74 20.420 0.032 AB
PanSTARRS_z 24.33 1.25 20.435 0.056 AB
PanSTARRS_y 29.49 2.53 20.226 0.093 AB

Aperture details

RA, DEC (J2000) = 7h09m33.85s, 15d10m16.78s
semi major axis, semi minor axis (arcsec) = 3.55, 2.07
angle (degrees, anti-clockwise from east) = -128.38

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.67 1.8 21.689 0.255 AB
GALEX_NUV 8.94 1.54 21.522 0.187 AB
PanSTARRS_g 28.91 0.68 20.247 0.026 AB
PanSTARRS_r 34.71 0.56 20.049 0.018 AB
PanSTARRS_i 56.78 1.2 19.514 0.023 AB
PanSTARRS_z 47.77 2.03 19.702 0.046 AB
PanSTARRS_y 66.01 4.07 19.351 0.067 AB
2MASS_J 71.84 77.42 18.364 1.170 Vega
2MASS_H -16.39 127.21 Vega
2MASS_K -154.8 136.48 Vega
WISE_W1 26.86 18.68 17.628 0.755 Vega
WISE_W2 4.3 17.37 18.979 4.390 Vega
WISE_W3 18.18 55.66 15.577 3.324 Vega
WISE_W4 360.35 424.18 10.888 1.278 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})\, 8.321 8.575 8.769
{\rm log}_{10}({\rm SFR}) -1.230 -0.819 -0.390
{\rm log}_{10}({\rm sSFR}) -9.907 -9.413 -8.812
{\rm stellar\ age} 2.208 5.485 7.274

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.561 -0.953 -0.270
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.435 -0.818 -0.229

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.589 0.938 1.319
\delta -0.354 -0.009 0.231
\tau_1/\tau_2 0.717 1.040 1.387
Q_{PAH} 0.796 2.808 5.234
U_{min} 2.888 7.741 14.453
{\rm log}_{10}(\gamma_e)\, -2.943 -1.944 -1.017

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.741 -1.473 -0.363
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.497 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.107 -0.798 -0.509
0.03-0.10 Gyr -1.447 -0.864 -0.328
0.10-0.33 Gyr -1.830 -1.112 -0.638
0.33-1.08 Gyr -2.095 -1.322 -0.830
1.08-3.53 Gyr -2.279 -1.404 -1.092
3.53-11.60 Gyr -2.493 -1.478 -1.116
11.60-12.89 Gyr -2.587 -1.542 -0.960

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.437 8.798 8.992
{\rm log}_{10}({\rm SFR}) -0.691 -0.218 0.225
{\rm log}_{10}({\rm sSFR}) -9.542 -9.007 -8.241
{\rm stellar\ age} 2.384 6.217 8.004

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.608 -0.727 -0.067
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.139 0.163 0.339

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.586 1.191
\delta 0.125 0.302 0.375
\tau_1/\tau_2 0.678 1.139 1.563
Q_{PAH} 0.632 1.990 4.053
U_{min} 2.996 8.435 15.517
{\rm log}_{10}(\gamma_e)\, -2.951 -1.801 -0.731

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.087 -2.167 -0.673
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.494 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.710 -0.433 -0.050
0.03-0.10 Gyr -0.730 -0.156 0.316
0.10-0.33 Gyr -2.146 -1.170 -0.609
0.33-1.08 Gyr -2.786 -1.572 -1.072
1.08-3.53 Gyr -2.647 -1.452 -1.053
3.53-11.60 Gyr -2.589 -1.249 -0.929
11.60-12.89 Gyr -2.430 -1.124 -0.493