2025vfa

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Information

Transient

Name: SN2025vfa
Right ascension: 16h25m00.39s
Declination: 45d03m13.43s
Discovery Date: Aug. 21, 2025, 3:56 a.m.
Classification: SN Ia
Redshift: 0.067500
MW E(B-V): 0.006

Host

Name:
Right ascension: 16h25m00.43s
Declination: 45d03m12.02s
Redshift: None
Photometric Redshift: 0.126
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.36
Transient MWEBV processed 0.04
Host match processed 6.64
Host information processed 0.11
Host MWEBV processed 0.03
Global aperture construction processed 2.89
Global aperture photometry processed 5.46
Validate global photometry processed 14.22
Global host SED inference processed 455.23
Local aperture photometry processed 4.94
Validate local photometry processed 0.02
Local host SED inference processed 451.51
 

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) = 16h25m00.39s, 45d03m13.43s
semi major axis, semi minor axis (arcsec) = 1.55, 1.55
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 2.6 1.39 22.863 0.582 AB
SDSS_g 5.54 0.75 22.042 0.147 AB
PanSTARRS_g 5.87 0.44 21.978 0.081 AB
SDSS_r 9.94 1.06 21.407 0.116 AB
PanSTARRS_r 8.23 0.46 21.612 0.061 AB
SDSS_i 11.32 1.29 21.265 0.124 AB
PanSTARRS_i 9.85 0.41 21.417 0.046 AB
PanSTARRS_z 12.16 1.06 21.187 0.095 AB
SDSS_z 1.93 3.74 23.187 2.107 AB
PanSTARRS_y 11.85 2.61 21.216 0.239 AB

Aperture details

RA, DEC (J2000) = 16h25m00.42s, 45d03m12.18s
semi major axis, semi minor axis (arcsec) = 4.46, 2.65
angle (degrees, anti-clockwise from east) = -17.5

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 3.24 3.12 22.623 1.045 AB
SDSS_g 11.6 1.37 21.239 0.128 AB
PanSTARRS_g 13.29 0.97 21.091 0.079 AB
SDSS_r 22.56 1.98 20.517 0.095 AB
PanSTARRS_r 18.63 1.02 20.725 0.059 AB
SDSS_i 22.75 2.49 20.507 0.119 AB
PanSTARRS_i 19.86 0.9 20.655 0.049 AB
PanSTARRS_z 21.46 2.3 20.571 0.116 AB
SDSS_z -13.94 8.23 AB
PanSTARRS_y 23.85 5.61 20.456 0.256 AB
2MASS_J 44.38 101.33 18.887 2.479 Vega
2MASS_H -72.64 158.93 Vega
2MASS_K -156.14 184.04 Vega
WISE_W1 7.76 4.53 18.976 0.634 Vega
WISE_W2 -3.21 7.34 Vega
WISE_W3 -25.04 27.71 Vega
WISE_W4 -37.79 194.33 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})\, 8.004 8.233 8.404
{\rm log}_{10}({\rm SFR}) -2.432 -1.513 -0.592
{\rm log}_{10}({\rm sSFR}) -10.683 -9.773 -8.656
{\rm stellar\ age} 0.773 5.362 7.400

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.549 -0.983 -0.307
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.563 -0.782 0.116

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.335 0.841 1.494
\delta -0.167 0.130 0.309
\tau_1/\tau_2 0.637 1.026 1.405
Q_{PAH} 1.175 2.929 5.287
U_{min} 3.219 8.547 16.083
{\rm log}_{10}(\gamma_e)\, -2.947 -1.842 -0.780

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.369 -0.092 0.301
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.548 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.572 -2.136 -1.367
0.03-0.10 Gyr -2.464 -1.463 -0.463
0.10-0.33 Gyr -2.576 -1.539 -0.800
0.33-1.08 Gyr -3.299 -1.682 -1.146
1.08-3.53 Gyr -3.969 -1.769 -1.407
3.53-11.57 Gyr -4.549 -1.870 -1.485
11.57-12.86 Gyr -4.553 -1.924 -1.213

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.156 8.397 8.587
{\rm log}_{10}({\rm SFR}) -2.112 -1.249 -0.580
{\rm log}_{10}({\rm sSFR}) -10.498 -9.695 -8.812
{\rm stellar\ age} 0.673 4.660 7.019

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.662 -1.149 -0.496
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.538 -0.598 0.148

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.164 0.583 1.059
\delta -0.538 -0.076 0.220
\tau_1/\tau_2 0.624 1.041 1.446
Q_{PAH} 1.703 3.829 5.765
U_{min} 3.441 9.261 17.457
{\rm log}_{10}(\gamma_e)\, -2.845 -1.684 -0.668

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.524 -0.595 0.058
{\rm log}_{10}(\tau_{AGN})\, 0.974 1.368 1.839

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.655 -1.628 -0.991
0.03-0.10 Gyr -2.360 -1.207 -0.476
0.10-0.33 Gyr -1.980 -1.115 -0.436
0.33-1.08 Gyr -2.588 -1.396 -0.897
1.08-3.53 Gyr -3.639 -1.613 -1.221
3.53-11.57 Gyr -4.286 -1.805 -1.347
11.57-12.86 Gyr -4.634 -1.872 -1.129