2025ywi

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Information

Transient

Name: SN2025ywi
Right ascension: 21h09m37.77s
Declination: 9d47m29.98s
Discovery Date: Sept. 28, 2025, 8:18 a.m.
Classification: SN Ia
Redshift: 0.071000
MW E(B-V): 0.081

Host

Name:
Right ascension: 21h09m37.75s
Declination: 9d47m30.28s
Redshift: None
Photometric Redshift: 0.086
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.34
Transient MWEBV processed 0.09
Host match processed 5.77
Host information processed 0.11
Host MWEBV processed 0.08
Global aperture construction processed 0.69
Global aperture photometry processed 5.43
Validate global photometry processed 16.2
Global host SED inference processed 451.45
Local aperture photometry processed 5.25
Validate local photometry processed 0.02
Local host SED inference processed 447.84
 

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) = 21h09m37.77s, 9d47m29.98s
semi major axis, semi minor axis (arcsec) = 1.48, 1.48
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 16.33 1.17 20.867 0.078 AB
DES_g 17.4 0.27 20.798 0.017 AB
PanSTARRS_g 16.8 0.33 20.837 0.021 AB
SDSS_r 30.64 1.64 20.184 0.058 AB
PanSTARRS_r 28.07 0.49 20.280 0.019 AB
DES_r 33.26 0.41 20.095 0.014 AB
SDSS_i 43.26 2.08 19.810 0.052 AB
PanSTARRS_i 39.28 0.44 19.915 0.012 AB
PanSTARRS_z 43.64 0.87 19.800 0.022 AB
SDSS_z 52.7 5.08 19.595 0.105 AB
DES_z 50.35 1.27 19.645 0.027 AB
PanSTARRS_y 48.59 2.24 19.684 0.050 AB

Aperture details

RA, DEC (J2000) = 21h09m37.75s, 9d47m30.43s
semi major axis, semi minor axis (arcsec) = 5.83, 3.82
angle (degrees, anti-clockwise from east) = -156.77

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 22.88 4.13 20.501 0.196 AB
SDSS_g 47.11 2.47 19.717 0.057 AB
DES_g 53.94 0.57 19.570 0.011 AB
PanSTARRS_g 52.89 1.03 19.592 0.021 AB
SDSS_r 80.24 3.46 19.139 0.047 AB
PanSTARRS_r 87.57 1.54 19.044 0.019 AB
DES_r 96.39 0.81 18.940 0.009 AB
SDSS_i 117.01 4.77 18.729 0.044 AB
PanSTARRS_i 115.65 1.36 18.742 0.013 AB
PanSTARRS_z 133.53 2.7 18.586 0.022 AB
SDSS_z 117.79 15.52 18.722 0.143 AB
DES_z 137.26 2.37 18.556 0.019 AB
PanSTARRS_y 150.11 7.03 18.459 0.051 AB
2MASS_J 203.08 137.83 17.236 0.737 Vega
2MASS_H 140.85 242.33 17.161 1.868 Vega
2MASS_K 94.14 205.14 17.128 2.366 Vega
WISE_W1 45.17 13.43 17.064 0.323 Vega
WISE_W2 31.18 13.97 16.826 0.486 Vega
WISE_W3 31.72 68.12 14.973 2.331 Vega
WISE_W4 -346.79 446.94 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})\, 8.788 8.933 9.044
{\rm log}_{10}({\rm SFR}) -1.875 -1.187 -0.469
{\rm log}_{10}({\rm sSFR}) -10.838 -10.171 -9.385
{\rm stellar\ age} 4.135 6.284 7.512

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.535 -0.973 -0.435
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.644 -0.128 0.322

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.196 0.492 0.895
\delta -0.668 -0.219 0.180
\tau_1/\tau_2 0.750 1.100 1.460
Q_{PAH} 0.796 2.471 5.133
U_{min} 2.984 8.077 15.003
{\rm log}_{10}(\gamma_e)\, -2.837 -1.579 -0.398

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.378 -0.589 0.053
{\rm log}_{10}(\tau_{AGN})\, 1.108 1.557 1.985

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.846 -1.320 -0.878
0.03-0.10 Gyr -2.077 -1.185 -0.353
0.10-0.33 Gyr -2.103 -1.160 -0.607
0.33-1.07 Gyr -1.715 -1.055 -0.590
1.07-3.52 Gyr -1.421 -0.977 -0.749
3.52-11.53 Gyr -1.472 -1.005 -0.787
11.53-12.82 Gyr -1.688 -1.037 -0.563

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.307 9.414 9.513
{\rm log}_{10}({\rm SFR}) -1.256 -0.745 -0.270
{\rm log}_{10}({\rm sSFR}) -10.704 -10.145 -9.634
{\rm stellar\ age} 5.900 7.177 8.981

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.674 -1.254 -0.809
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.005 0.281 0.416

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.107 0.242 0.406
\delta -0.862 -0.612 -0.250
\tau_1/\tau_2 0.701 1.095 1.487
Q_{PAH} 0.789 2.040 3.834
U_{min} 2.549 7.592 14.755
{\rm log}_{10}(\gamma_e)\, -2.556 -1.548 -0.554

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.649 -1.504 -0.927
{\rm log}_{10}(\tau_{AGN})\, 1.324 1.679 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.412 -1.038 -0.756
0.03-0.10 Gyr -1.262 -0.667 -0.139
0.10-0.33 Gyr -1.259 -0.697 -0.282
0.33-1.07 Gyr -1.571 -0.887 -0.523
1.07-3.52 Gyr -1.331 -0.703 -0.432
3.52-11.53 Gyr -0.795 -0.482 -0.312
11.53-12.82 Gyr -0.980 -0.391 0.264