2025ahkg

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Information

Transient

Name: SN2025ahkg
Right ascension: 10h57m06.90s
Declination: 8d46m38.27s
Discovery Date: Dec. 8, 2025, 4:07 a.m.
Classification: SN II
Redshift: 0.072535
MW E(B-V): 0.030

Host

Name:
Right ascension: 10h57m06.23s
Declination: 8d46m37.48s
Redshift: 0.072535
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.72
Transient MWEBV processed 0.17
Host match processed 7.32
Host information processed 0.05
Host MWEBV processed 0.12
Global aperture construction processed 0.64
Global aperture photometry processed 6.74
Validate global photometry processed 18.93
Global host SED inference processed 469.12
Local aperture photometry processed 6.99
Validate local photometry processed 0.03
Local host SED inference processed 481.07
 

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) = 10h57m06.90s, 8d46m38.27s
semi major axis, semi minor axis (arcsec) = 1.45, 1.45
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 18.14 1.19 20.753 0.071 AB
DES_g 18.99 0.28 20.704 0.016 AB
PanSTARRS_g 18.15 0.37 20.753 0.022 AB
SDSS_r 23.28 1.44 20.483 0.067 AB
PanSTARRS_r 22.76 0.47 20.507 0.022 AB
DES_r 26.67 0.58 20.335 0.024 AB
SDSS_i 31.51 1.85 20.154 0.064 AB
PanSTARRS_i 28.85 0.5 20.250 0.019 AB
PanSTARRS_z 29.75 0.84 20.216 0.031 AB
SDSS_z 32.39 4.16 20.124 0.139 AB
PanSTARRS_y 35.12 2.58 20.036 0.080 AB

Aperture details

RA, DEC (J2000) = 10h57m06.27s, 8d46m37.67s
semi major axis, semi minor axis (arcsec) = 20.8, 6.96
angle (degrees, anti-clockwise from east) = -83.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 760.65 1.89 16.697 0.003 AB
SDSS_r 1110.55 10.62 16.286 0.010 AB
PanSTARRS_r 1140.03 3.95 16.258 0.004 AB
DES_r 1257.69 4.17 16.151 0.004 AB
PanSTARRS_i 1497.48 4.12 15.962 0.003 AB
PanSTARRS_z 1679.15 6.99 15.837 0.005 AB
2MASS_J 1737.86 362.48 14.905 0.226 Vega
2MASS_K 3563.29 609.8 13.183 0.186 Vega
WISE_W2 829.7 34.27 13.264 0.045 Vega
WISE_W3 2931.12 148.42 10.058 0.055 Vega
WISE_W4 3177.39 796.34 8.525 0.272 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})\, 8.185 8.477 8.649
{\rm log}_{10}({\rm SFR}) -1.722 -0.974 -0.141
{\rm log}_{10}({\rm sSFR}) -10.259 -9.468 -8.375
{\rm stellar\ age} 0.293 3.083 5.943

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.615 -0.952 -0.158
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.573 -0.633 0.135

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.153 0.439 0.934
\delta -0.650 -0.194 0.173
\tau_1/\tau_2 0.685 1.122 1.520
Q_{PAH} 1.026 3.374 5.721
U_{min} 2.972 8.719 16.583
{\rm log}_{10}(\gamma_e)\, -2.905 -1.738 -0.732

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.874 -0.601 -0.035
{\rm log}_{10}(\tau_{AGN})\, 1.106 1.442 1.885

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.376 -1.492 -1.048
0.03-0.10 Gyr -1.921 -0.889 0.015
0.10-0.33 Gyr -1.776 -0.772 -0.141
0.33-1.07 Gyr -3.374 -1.149 -0.695
1.07-3.52 Gyr -4.568 -1.692 -1.153
3.52-11.52 Gyr -5.248 -2.032 -1.360
11.52-12.80 Gyr -5.106 -2.019 -1.222

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.284 10.394 10.483
{\rm log}_{10}({\rm SFR}) -0.001 0.473 0.871
{\rm log}_{10}({\rm sSFR}) -10.382 -9.958 -9.509
{\rm stellar\ age} 3.699 5.769 7.230

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.539 -0.326 -0.166
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.616 -0.113 0.323

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.150 0.257 0.440
\delta -0.747 -0.353 0.169
\tau_1/\tau_2 0.760 1.128 1.475
Q_{PAH} 1.195 2.362 4.450
U_{min} 2.545 7.310 13.786
{\rm log}_{10}(\gamma_e)\, -2.998 -2.153 -1.289

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.183 -2.982 -1.939
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.500 1.922

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.032 0.261 0.407
0.03-0.10 Gyr -0.165 0.536 1.001
0.10-0.33 Gyr 0.136 0.680 1.037
0.33-1.07 Gyr 0.189 0.631 0.917
1.07-3.52 Gyr 0.156 0.527 0.792
3.52-11.52 Gyr -0.069 0.403 0.592
11.52-12.80 Gyr -0.471 0.371 0.880