2025siq

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Information

Transient

Name: SN2025siq
Right ascension: 20h45m55.57s
Declination: -51d23m27.65s
Discovery Date: July 26, 2025, 12:13 a.m.
Classification: SN Ia
Redshift: 0.015250
MW E(B-V): 0.029

Host

Name: ESO234-069
Right ascension: 20h45m54.57s
Declination: -51d23m27.75s
Redshift: 0.013877
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 4.99
Cutout download processed 11.61
Global aperture construction processed 1.3
Local aperture photometry processed 2.19
Global aperture photometry processed 2.04
Validate local photometry processed 0.02
Validate global photometry processed 14.72
Host information processed 0.14
Global host SED inference processed 621.68
Local host SED inference processed 1345.45
Transient information processed 0.0
Transient MWEBV processed 0.12
Host MWEBV processed 0.05
Processing status completed N/A N/A
 

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) = 20h45m55.57s, -51d23m27.65s
semi major axis, semi minor axis (arcsec) = 7.06, 7.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 1014.4 2.03 16.384 0.002 AB
DES_r 1911.21 3.64 15.697 0.002 AB
DES_z 3016.49 6.89 15.201 0.002 AB
2MASS_J 4235.47 173.63 13.938 0.045 Vega
2MASS_H 4819.8 243.25 13.325 0.055 Vega
2MASS_K 4109.74 310.24 13.028 0.082 Vega
WISE_W1 662.33 17.73 14.148 0.029 Vega
WISE_W2 348.33 19.4 14.206 0.060 Vega
WISE_W3 597.44 121.66 11.785 0.221 Vega

Aperture details

RA, DEC (J2000) = 20h45m54.13s, -51d23m26.97s
semi major axis, semi minor axis (arcsec) = 78.27, 18.23
angle (degrees, anti-clockwise from east) = 108.46

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 9467.9 6.86 13.959 0.001 AB
DES_r 15917.63 11.82 13.395 0.001 AB
DES_z 23209.13 21.56 12.986 0.001 AB
2MASS_J 29322.43 928.52 11.837 0.034 Vega
2MASS_H 34990.45 1303.87 11.173 0.040 Vega
2MASS_K 28058.31 1666.29 10.942 0.064 Vega
WISE_W1 15214.27 108.5 10.745 0.008 Vega
WISE_W2 9208.17 132.19 10.651 0.016 Vega
WISE_W3 23819.86 713.58 7.784 0.033 Vega
WISE_W4 29036.46 3318.98 6.123 0.124 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
Warning: possible contaminating objects in the global aperture
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.296 9.361 9.482
{\rm log}_{10}({\rm SFR}) -3.247 -1.780 -1.261
{\rm log}_{10}({\rm sSFR}) -12.723 -11.142 -10.592
{\rm stellar\ age} 7.738 8.654 12.308

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.847 -1.638 -1.400
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.388 -0.565 0.118

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.178 0.271 0.378
\delta -0.962 -0.865 -0.685
\tau_1/\tau_2 0.670 1.043 1.390
Q_{PAH} 0.091 0.335 1.018
U_{min} 2.943 8.717 16.426
{\rm log}_{10}(\gamma_e)\, -3.184 -2.389 -1.258

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.587 -3.747 -2.793
{\rm log}_{10}(\tau_{AGN})\, 1.100 1.676 2.045

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.675 -1.920 -1.266
0.03-0.10 Gyr -3.770 -1.918 -1.232
0.10-0.33 Gyr -3.774 -1.923 -1.264
0.33-1.10 Gyr -3.950 -2.038 -1.291
1.10-3.63 Gyr -3.898 -1.768 -0.879
3.63-12.03 Gyr -1.608 -0.511 -0.383
12.03-13.37 Gyr -0.922 -0.184 0.585

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.020 10.148 10.285
{\rm log}_{10}({\rm SFR}) -0.971 -0.236 0.319
{\rm log}_{10}({\rm sSFR}) -11.187 -10.449 -9.748
{\rm stellar\ age} 5.125 7.073 8.689

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.895 -0.551 -0.318
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.713 -1.177 -0.017

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.134 0.301 0.499
\delta -0.776 -0.300 0.185
\tau_1/\tau_2 0.456 0.857 1.229
Q_{PAH} 0.409 1.224 3.574
U_{min} 2.618 7.285 14.088
{\rm log}_{10}(\gamma_e)\, -3.467 -2.575 -1.448

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.846 -2.631 -1.857
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.411 1.849

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.896 -0.190 0.153
0.03-0.10 Gyr -1.988 -0.346 0.402
0.10-0.33 Gyr -1.766 -0.181 0.400
0.33-1.10 Gyr -1.281 -0.139 0.296
1.10-3.63 Gyr -0.481 0.142 0.487
3.63-12.03 Gyr -0.281 0.188 0.419
12.03-13.37 Gyr -0.643 0.231 0.839