2025tgs

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Information

Transient

Name: SN2025tgs
Right ascension: 4h53m53.67s
Declination: -50d02m06.11s
Discovery Date: Aug. 5, 2025, 8:51 a.m.
Classification: SN Ia-91T-like
Redshift: 0.040000
MW E(B-V): 0.012

Host

Name: 129653
Right ascension: 4h53m52.97s
Declination: -50d02m06.29s
Redshift: 0.036048
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 4.65
Cutout download processed 13.78
Global aperture construction processed 0.81
Local aperture photometry processed 3.05
Global aperture photometry processed 2.62
Validate local photometry processed 0.02
Validate global photometry processed 9.45
Host information processed 0.14
Global host SED inference processed 490.26
Local host SED inference processed 546.67
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 4h53m53.67s, -50d02m06.11s
semi major axis, semi minor axis (arcsec) = 2.79, 2.79
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 149.26 0.38 18.465 0.003 AB
DES_r 286.69 0.69 17.756 0.003 AB
DES_z 455.46 2.42 17.254 0.006 AB

Aperture details

RA, DEC (J2000) = 4h53m52.96s, -50d02m06.17s
semi major axis, semi minor axis (arcsec) = 22.68, 16.59
angle (degrees, anti-clockwise from east) = 110.75

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 142.86 12.1 18.513 0.092 AB
GALEX_NUV 184.2 5.26 18.237 0.031 AB
DES_g 3167.34 1.85 15.148 0.001 AB
DES_r 6364.97 3.37 14.391 0.001 AB
DES_z 10329.9 11.87 13.865 0.001 AB
2MASS_J 15197.24 555.27 12.551 0.040 Vega
2MASS_H 19001.75 773.38 11.835 0.044 Vega
2MASS_K 13336.26 896.38 11.750 0.073 Vega
WISE_W1 7086.22 36.01 11.575 0.006 Vega
WISE_W2 4178.01 39.96 11.509 0.010 Vega
WISE_W3 9549.92 125.51 8.776 0.014 Vega
WISE_W4 8297.7 762.58 7.483 0.100 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.281 9.458 9.608
{\rm log}_{10}({\rm SFR}) -1.743 -0.957 -0.486
{\rm log}_{10}({\rm sSFR}) -11.264 -10.430 -9.860
{\rm stellar\ age} 6.518 8.178 11.947

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.691 -1.186 -0.561
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.843 -0.928 0.257

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.349 0.637 0.938
\delta -0.694 -0.239 0.127
\tau_1/\tau_2 0.621 0.985 1.367
Q_{PAH} 0.776 2.310 4.489
U_{min} 2.770 7.760 15.038
{\rm log}_{10}(\gamma_e)\, -3.409 -2.163 -0.826

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.794 -1.648 -0.675
{\rm log}_{10}(\tau_{AGN})\, 0.962 1.366 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.774 -1.021 -0.504
0.03-0.10 Gyr -2.187 -1.052 -0.436
0.10-0.33 Gyr -2.551 -1.238 -0.606
0.33-1.09 Gyr -2.776 -1.289 -0.664
1.09-3.61 Gyr -2.783 -1.061 -0.525
3.61-11.95 Gyr -1.339 -0.562 -0.301
11.95-13.27 Gyr -0.828 -0.159 0.669

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.749 10.809 10.918
{\rm log}_{10}({\rm SFR}) -0.577 -0.289 -0.004
{\rm log}_{10}({\rm sSFR}) -11.407 -11.096 -10.823
{\rm stellar\ age} 7.751 8.507 11.885

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.688 -0.451 -0.283
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.599 -0.763 0.118

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.135 0.237 0.400
\delta -0.420 -0.075 0.190
\tau_1/\tau_2 0.342 0.821 1.305
Q_{PAH} 1.100 2.545 4.561
U_{min} 2.768 8.037 15.448
{\rm log}_{10}(\gamma_e)\, -2.962 -2.037 -1.308

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.121 -2.957 -1.893
{\rm log}_{10}(\tau_{AGN})\, 1.212 1.730 2.013

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.298 -0.035 0.234
0.03-0.10 Gyr -2.311 -0.639 -0.081
0.10-0.33 Gyr -2.916 -0.734 -0.135
0.33-1.09 Gyr -2.348 -0.540 -0.020
1.09-3.61 Gyr -1.684 -0.032 0.576
3.61-11.95 Gyr 0.204 0.944 1.065
11.95-13.27 Gyr 0.635 1.236 1.982