2025vfk

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Information

Transient

Name: SN2025vfk
Right ascension: 15h58m09.10s
Declination: 48d11m38.70s
Discovery Date: Aug. 23, 2025, 9:45 p.m.
Classification: SN Ia
Redshift: 0.083000
MW E(B-V): 0.019

Host

Name: SDSSJ155809.07+48113
Right ascension: 15h58m09.12s
Declination: 48d11m38.18s
Redshift: 0.071242
Photometric Redshift: 0.071
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 38.61
Transient MWEBV processed 0.04
Host match processed 4.72
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.74
Validate global photometry processed 16.17
Global host SED inference processed 449.71
Local aperture photometry processed 6.49
Validate local photometry processed 0.02
Local host SED inference processed 444.65
 

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) = 15h58m09.10s, 48d11m38.70s
semi major axis, semi minor axis (arcsec) = 1.47, 1.47
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 62.94 2.09 19.403 0.036 AB
DES_g 62.01 0.56 19.419 0.010 AB
PanSTARRS_g 65.05 0.56 19.367 0.009 AB
SDSS_r 133.66 3.05 18.585 0.025 AB
PanSTARRS_r 128.84 0.53 18.625 0.004 AB
SDSS_i 195.13 3.76 18.174 0.021 AB
PanSTARRS_i 202.44 0.46 18.134 0.002 AB
PanSTARRS_z 239.6 1.29 17.951 0.006 AB
SDSS_z 257.02 6.32 17.875 0.027 AB
DES_z 284.8 2.92 17.764 0.011 AB
PanSTARRS_y 288.46 2.32 17.750 0.009 AB

Aperture details

RA, DEC (J2000) = 15h58m09.06s, 48d11m38.25s
semi major axis, semi minor axis (arcsec) = 6.88, 3.96
angle (degrees, anti-clockwise from east) = -148.03

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 8.99 0.49 21.515 0.059 AB
SDSS_u 50.28 4.15 19.646 0.090 AB
SDSS_g 162.02 3.56 18.376 0.024 AB
DES_g 166.43 0.94 18.347 0.006 AB
PanSTARRS_g 180.76 1.89 18.257 0.011 AB
SDSS_r 346.57 5.23 17.551 0.016 AB
PanSTARRS_r 347.15 1.65 17.549 0.005 AB
SDSS_i 506.97 6.85 17.138 0.015 AB
PanSTARRS_i 498.86 1.45 17.155 0.003 AB
PanSTARRS_z 600.17 4.38 16.954 0.008 AB
SDSS_z 584.51 18.09 16.983 0.034 AB
DES_z 633.13 4.64 16.896 0.008 AB
PanSTARRS_y 699.91 7.98 16.787 0.012 AB
2MASS_J 828.99 136.2 15.709 0.178 Vega
2MASS_H 1077.05 230.05 14.952 0.232 Vega
2MASS_K 920.61 196.91 14.652 0.232 Vega
WISE_W1 453.15 11.24 14.560 0.027 Vega
WISE_W2 360.13 15.49 14.170 0.047 Vega
WISE_W3 1033.59 44.04 11.190 0.046 Vega
WISE_W4 2742.07 333.77 8.685 0.132 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})\, 9.803 9.935 10.071
{\rm log}_{10}({\rm SFR}) -1.274 -0.676 -0.089
{\rm log}_{10}({\rm sSFR}) -11.164 -10.645 -10.030
{\rm stellar\ age} 6.545 8.039 11.597

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.598 -0.967 -0.456
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.560 0.069 0.380

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.437 0.921 1.412
\delta -0.556 -0.180 0.146
\tau_1/\tau_2 0.656 1.023 1.374
Q_{PAH} 0.641 1.994 4.502
U_{min} 2.618 7.604 14.736
{\rm log}_{10}(\gamma_e)\, -3.390 -2.519 -1.076

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.185 -1.086 -0.333
{\rm log}_{10}(\tau_{AGN})\, 0.964 1.404 1.848

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.446 -0.787 -0.285
0.03-0.10 Gyr -1.529 -0.679 -0.014
0.10-0.33 Gyr -2.094 -0.884 -0.147
0.33-1.07 Gyr -2.674 -0.995 -0.189
1.07-3.52 Gyr -2.642 -0.758 -0.026
3.52-11.53 Gyr -0.969 -0.016 0.202
11.53-12.81 Gyr -0.349 0.346 1.094

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.151 10.198 10.296
{\rm log}_{10}({\rm SFR}) -0.796 -0.441 -0.109
{\rm log}_{10}({\rm sSFR}) -11.045 -10.645 -10.292
{\rm stellar\ age} 7.561 8.570 11.637

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.798 -0.582 -0.428
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.096 0.297 0.429

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.203 0.293 0.436
\delta -0.892 -0.646 -0.290
\tau_1/\tau_2 0.613 0.994 1.412
Q_{PAH} 0.609 1.654 3.542
U_{min} 2.763 7.534 14.336
{\rm log}_{10}(\gamma_e)\, -3.187 -2.029 -1.048

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.785 -1.454 -1.193
{\rm log}_{10}(\tau_{AGN})\, 1.051 1.346 1.652

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.755 -0.464 -0.249
0.03-0.10 Gyr -1.010 -0.440 -0.020
0.10-0.33 Gyr -1.953 -0.852 -0.366
0.33-1.07 Gyr -2.214 -1.009 -0.513
1.07-3.52 Gyr -1.901 -0.737 -0.174
3.52-11.53 Gyr -0.450 0.337 0.452
11.53-12.81 Gyr 0.175 0.762 1.396