2025ahsk

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Information

Transient

Name: SN2025ahsk
Right ascension: 0h12m27.03s
Declination: 42d28m15.42s
Discovery Date: Dec. 20, 2025, 6:57 a.m.
Classification: SN Ia
Redshift: 0.036000
MW E(B-V): 0.055

Host

Name:
Right ascension: 0h12m26.95s
Declination: 42d28m15.87s
Redshift: None
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 1.25
Transient MWEBV processed 0.11
Host match processed 5.17
Host information processed 0.23
Host MWEBV processed 0.04
Global aperture construction processed 2.46
Global aperture photometry processed 4.01
Validate global photometry processed 2.11
Global host SED inference processed 662.45
Local aperture photometry processed 3.93
Validate local photometry processed 0.02
Local host SED inference processed 458.87
 

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) = 0h12m27.03s, 42d28m15.42s
semi major axis, semi minor axis (arcsec) = 2.8, 2.8
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 12.89 0.77 21.124 0.065 AB
PanSTARRS_r 19.21 0.91 20.691 0.051 AB
PanSTARRS_i 30.73 1.0 20.181 0.035 AB
PanSTARRS_z 31.58 2.11 20.151 0.072 AB
PanSTARRS_y 32.03 3.99 20.136 0.135 AB

Aperture details

RA, DEC (J2000) = 0h12m27.07s, 42d28m18.06s
semi major axis, semi minor axis (arcsec) = 14.05, 3.47
angle (degrees, anti-clockwise from east) = -158.61

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.98 2.13 21.645 0.290 AB
GALEX_NUV 2.57 1.96 22.876 0.830 AB
PanSTARRS_g 43.54 1.92 19.803 0.048 AB
PanSTARRS_r 57.54 2.25 19.500 0.042 AB
PanSTARRS_i 81.14 2.47 19.127 0.033 AB
PanSTARRS_z 103.53 5.19 18.862 0.054 AB
PanSTARRS_y 68.86 9.83 19.305 0.155 AB
2MASS_J 350.14 168.57 16.645 0.523 Vega
2MASS_H 58.1 255.47 18.122 4.774 Vega
2MASS_K 189.31 270.87 16.369 1.553 Vega
WISE_W1 87.41 29.04 16.347 0.361 Vega
WISE_W2 26.81 22.0 16.990 0.891 Vega
WISE_W3 99.98 74.78 13.726 0.812 Vega
WISE_W4 -1105.55 520.38 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})\, 8.120 8.311 8.465
{\rm log}_{10}({\rm SFR}) -2.104 -1.441 -0.947
{\rm log}_{10}({\rm sSFR}) -10.420 -9.750 -9.120
{\rm stellar\ age} 3.952 6.635 8.332

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.746 -1.297 -0.691
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.754 -1.194 -0.128

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.610 1.077 1.507
\delta -0.274 0.056 0.274
\tau_1/\tau_2 0.550 0.902 1.278
Q_{PAH} 0.611 1.986 4.278
U_{min} 2.967 7.940 14.921
{\rm log}_{10}(\gamma_e)\, -2.989 -1.986 -0.895

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.189 -0.770 -0.075
{\rm log}_{10}(\tau_{AGN})\, 1.107 1.569 1.928

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.305 -1.565 -1.080
0.03-0.10 Gyr -2.235 -1.456 -0.877
0.10-0.33 Gyr -2.602 -1.679 -1.112
0.33-1.09 Gyr -2.777 -1.792 -1.271
1.09-3.61 Gyr -2.506 -1.724 -1.402
3.61-11.95 Gyr -2.307 -1.655 -1.405
11.95-13.27 Gyr -2.482 -1.668 -1.042

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.548 8.732 8.873
{\rm log}_{10}({\rm SFR}) -1.386 -0.875 -0.517
{\rm log}_{10}({\rm sSFR}) -10.113 -9.634 -9.196
{\rm stellar\ age} 5.083 7.189 10.573

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.687 -1.196 -0.626
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.816 -1.506 -0.940

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.318 0.708 0.988
\delta 0.119 0.296 0.375
\tau_1/\tau_2 0.517 0.928 1.358
Q_{PAH} 1.875 3.906 5.660
U_{min} 3.596 9.553 17.510
{\rm log}_{10}(\gamma_e)\, -2.889 -1.807 -0.744

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.650 -1.600 -0.674
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.494 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.748 -2.167 -1.539
0.03-0.10 Gyr -1.283 -0.732 -0.358
0.10-0.33 Gyr -2.130 -1.046 -0.563
0.33-1.09 Gyr -2.850 -1.464 -1.017
1.09-3.61 Gyr -3.055 -1.471 -1.098
3.61-11.95 Gyr -2.348 -1.342 -1.055
11.95-13.27 Gyr -2.084 -1.092 -0.190