2025kfn

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Information

Transient

Name: SN2025kfn
Right ascension: 20h59m40.83s
Declination: 23d08m05.47s
Discovery Date: May 9, 2025, 11:53 a.m.
Classification: SN II
Redshift: 0.080000
MW E(B-V): 0.109

Host

Name: 2025kfn
Right ascension: 20h59m40.88s
Declination: 23d08m05.34s
Redshift: None
Photometric Redshift: 0.103
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 8.24
Transient MWEBV processed 0.11
Host match processed 3.23
Host information processed 0.09
Host MWEBV processed 0.08
Global aperture construction processed 0.71
Global aperture photometry processed 5.01
Validate global photometry processed 14.74
Global host SED inference processed 571.59
Local aperture photometry processed 4.76
Validate local photometry processed 0.02
Local host SED inference processed 411.57
 

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) = 20h59m40.83s, 23d08m05.47s
semi major axis, semi minor axis (arcsec) = 1.33, 1.33
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 14.87 0.32 20.969 0.023 AB
SDSS_r 18.23 1.25 20.748 0.074 AB
PanSTARRS_r 18.6 0.35 20.726 0.021 AB
SDSS_i 24.63 1.65 20.422 0.073 AB
PanSTARRS_i 25.56 0.55 20.381 0.023 AB
PanSTARRS_z 26.48 1.05 20.343 0.043 AB
PanSTARRS_y 29.79 2.64 20.215 0.096 AB

Aperture details

RA, DEC (J2000) = 20h59m40.87s, 23d08m05.36s
semi major axis, semi minor axis (arcsec) = 3.36, 2.42
angle (degrees, anti-clockwise from east) = -57.98

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.5 2.42 21.869 0.405 AB
GALEX_NUV 7.0 2.07 21.787 0.321 AB
PanSTARRS_g 25.27 0.67 20.393 0.029 AB
SDSS_r 32.11 1.96 20.133 0.066 AB
PanSTARRS_r 30.82 0.73 20.178 0.026 AB
SDSS_i 40.17 2.8 19.890 0.076 AB
PanSTARRS_i 38.94 1.13 19.924 0.032 AB
PanSTARRS_z 36.44 2.16 19.996 0.064 AB
PanSTARRS_y 30.61 5.42 20.185 0.192 AB
2MASS_J 21.48 92.33 19.675 4.667 Vega
2MASS_H -4.97 157.14 Vega
2MASS_K 139.85 156.94 16.698 1.218 Vega
WISE_W1 20.39 19.56 17.928 1.042 Vega
WISE_W2 10.43 15.98 18.015 1.663 Vega
WISE_W3 56.14 44.47 14.353 0.860 Vega
WISE_W4 169.95 285.26 11.704 1.822 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})\, 8.206 8.502 8.719
{\rm log}_{10}({\rm SFR}) -1.465 -0.642 0.090
{\rm log}_{10}({\rm sSFR}) -10.073 -9.150 -7.999
{\rm stellar\ age} 0.210 2.774 6.023

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.575 -0.912 -0.143
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.389 -0.766 -0.144

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.136 0.439 0.990
\delta -0.582 -0.165 0.157
\tau_1/\tau_2 0.717 1.122 1.492
Q_{PAH} 1.017 2.696 4.983
U_{min} 3.191 8.412 16.452
{\rm log}_{10}(\gamma_e)\, -2.835 -1.698 -0.638

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.424 -0.557 0.058
{\rm log}_{10}(\tau_{AGN})\, 1.033 1.493 1.809

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.688 -1.213 -0.837
0.03-0.10 Gyr -1.561 -0.521 0.244
0.10-0.33 Gyr -2.526 -0.848 -0.244
0.33-1.07 Gyr -3.933 -1.218 -0.643
1.07-3.50 Gyr -4.956 -1.841 -1.127
3.50-11.43 Gyr -5.577 -2.085 -1.290
11.43-12.70 Gyr -5.388 -2.033 -1.126

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.327 8.697 8.902
{\rm log}_{10}({\rm SFR}) -0.850 -0.207 0.246
{\rm log}_{10}({\rm sSFR}) -9.628 -8.840 -8.123
{\rm stellar\ age} 0.426 3.833 6.447

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.750 -1.289 -0.512
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.770 -1.309 0.078

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.074 0.342 0.817
\delta -0.336 0.105 0.313
\tau_1/\tau_2 0.700 1.142 1.598
Q_{PAH} 1.587 3.791 5.642
U_{min} 3.472 9.402 16.986
{\rm log}_{10}(\gamma_e)\, -2.906 -1.556 -0.489

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.667 -1.293 -0.332
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.407 1.855

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.379 -0.914 -0.563
0.03-0.10 Gyr -0.787 -0.084 0.397
0.10-0.33 Gyr -1.716 -0.545 -0.082
0.33-1.07 Gyr -3.009 -1.159 -0.669
1.07-3.50 Gyr -4.081 -1.524 -0.979
3.50-11.43 Gyr -4.165 -1.670 -1.087
11.43-12.70 Gyr -4.011 -1.589 -0.780